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<front>
<journal-meta>
<journal-id journal-id-type="publisher-id">Front. Sports Act. Living</journal-id>
<journal-title>Frontiers in Sports and Active Living</journal-title>
<abbrev-journal-title abbrev-type="pubmed">Front. Sports Act. Living</abbrev-journal-title>
<issn pub-type="epub">2624-9367</issn>
<publisher>
<publisher-name>Frontiers Media S.A.</publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id pub-id-type="doi">10.3389/fspor.2025.1505817</article-id>
<article-categories>
<subj-group subj-group-type="heading">
<subject>Sports and Active Living</subject>
<subj-group>
<subject>Original Research</subject>
</subj-group>
</subj-group>
</article-categories>
<title-group>
<article-title>Training under pressure mirrors competition: technical-tactical insights from high-level male padel players</article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author" equal-contrib="yes"><name><surname>Conde-Ripoll</surname><given-names>Rafael</given-names></name>
<xref ref-type="aff" rid="aff1"><sup>1</sup></xref>
<xref ref-type="author-notes" rid="an1"><sup>&#x2020;</sup></xref><uri xlink:href="https://loop.frontiersin.org/people/2521491/overview"/><role content-type="https://credit.niso.org/contributor-roles/conceptualization/"/><role content-type="https://credit.niso.org/contributor-roles/investigation/"/><role content-type="https://credit.niso.org/contributor-roles/writing-original-draft/"/><role content-type="https://credit.niso.org/contributor-roles/writing-review-editing/"/></contrib>
<contrib contrib-type="author" equal-contrib="yes"><name><surname>Escudero-Tena</surname><given-names>Adri&#x00E1;n</given-names></name>
<xref ref-type="aff" rid="aff1"><sup>1</sup></xref>
<xref ref-type="author-notes" rid="an1"><sup>&#x2020;</sup></xref><uri xlink:href="https://loop.frontiersin.org/people/1824386/overview" /><role content-type="https://credit.niso.org/contributor-roles/conceptualization/"/><role content-type="https://credit.niso.org/contributor-roles/formal-analysis/"/><role content-type="https://credit.niso.org/contributor-roles/investigation/"/><role content-type="https://credit.niso.org/contributor-roles/methodology/"/><role content-type="https://credit.niso.org/contributor-roles/software/"/><role content-type="https://credit.niso.org/contributor-roles/writing-original-draft/"/><role content-type="https://credit.niso.org/contributor-roles/writing-review-editing/"/></contrib>
<contrib contrib-type="author" equal-contrib="yes"><name><surname>Clemente-Su&#x00E1;rez</surname><given-names>Vicente Javier</given-names></name>
<xref ref-type="aff" rid="aff1"><sup>1</sup></xref>
<xref ref-type="aff" rid="aff2"><sup>2</sup></xref>
<xref ref-type="author-notes" rid="an1"><sup>&#x2020;</sup></xref><uri xlink:href="https://loop.frontiersin.org/people/486802/overview" /><role content-type="https://credit.niso.org/contributor-roles/conceptualization/"/><role content-type="https://credit.niso.org/contributor-roles/investigation/"/><role content-type="https://credit.niso.org/contributor-roles/validation/"/><role content-type="https://credit.niso.org/contributor-roles/writing-original-draft/"/><role content-type="https://credit.niso.org/contributor-roles/writing-review-editing/"/></contrib>
<contrib contrib-type="author" corresp="yes" equal-contrib="yes"><name><surname>Navarro Jimenez</surname><given-names>Eduardo</given-names></name>
<xref ref-type="aff" rid="aff3"><sup>3</sup></xref>
<xref ref-type="corresp" rid="cor1">&#x002A;</xref>
<xref ref-type="author-notes" rid="an1"><sup>&#x2020;</sup></xref><uri xlink:href="https://loop.frontiersin.org/people/1037568/overview" /><role content-type="https://credit.niso.org/contributor-roles/conceptualization/"/><role content-type="https://credit.niso.org/contributor-roles/investigation/"/><role content-type="https://credit.niso.org/contributor-roles/methodology/"/><role content-type="https://credit.niso.org/contributor-roles/software/"/><role content-type="https://credit.niso.org/contributor-roles/writing-original-draft/"/><role content-type="https://credit.niso.org/contributor-roles/writing-review-editing/"/></contrib>
<contrib contrib-type="author" equal-contrib="yes"><name><surname>Bustamante-S&#x00E1;nchez</surname><given-names>&#x00C1;lvaro</given-names></name>
<xref ref-type="aff" rid="aff1"><sup>1</sup></xref>
<xref ref-type="author-notes" rid="an1"><sup>&#x2020;</sup></xref><uri xlink:href="https://loop.frontiersin.org/people/1855637/overview" /><role content-type="https://credit.niso.org/contributor-roles/conceptualization/"/><role content-type="https://credit.niso.org/contributor-roles/data-curation/"/><role content-type="https://credit.niso.org/contributor-roles/formal-analysis/"/><role content-type="https://credit.niso.org/contributor-roles/funding-acquisition/"/><role content-type="https://credit.niso.org/contributor-roles/investigation/"/><role content-type="https://credit.niso.org/contributor-roles/methodology/"/><role content-type="https://credit.niso.org/contributor-roles/project-administration/"/><role content-type="https://credit.niso.org/contributor-roles/resources/"/><role content-type="https://credit.niso.org/contributor-roles/software/"/><role content-type="https://credit.niso.org/contributor-roles/supervision/"/><role content-type="https://credit.niso.org/contributor-roles/validation/"/><role content-type="https://credit.niso.org/contributor-roles/visualization/"/><role content-type="https://credit.niso.org/contributor-roles/writing-original-draft/"/><role content-type="https://credit.niso.org/contributor-roles/writing-review-editing/"/></contrib>
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<aff id="aff1"><label><sup>1</sup></label><institution>Universidad Europea de Madrid, Department of Sports Sciences, Faculty of Medicine, Health and Sports</institution>, <addr-line>Madrid</addr-line>, <country>Spain</country></aff>
<aff id="aff2"><label><sup>2</sup></label><institution>Research Group on Culture, Education and Society, Universidad de la Costa</institution>, <addr-line>Barranquilla</addr-line>, <country>Colombia</country></aff>
<aff id="aff3"><label><sup>3</sup></label><institution>Faculty of Health Sciences, Universidad Sim&#x00F3;n Bol&#x00ED;var</institution>, <addr-line>Barranquilla</addr-line>, <country>Colombia</country></aff>
<author-notes>
<fn fn-type="edited-by"><p><bold>Edited by:</bold> Rodrigo Zacca, University of Porto, Portugal</p></fn>
<fn fn-type="edited-by"><p><bold>Reviewed by:</bold> Jes&#x00FA;s D&#x00ED;az-Garc&#x00ED;a, G. d&#x0027;Annunzio University of Chieti&#x2013;Pescara, Italy</p>
<p>Sofia Ryman Augustsson, Linnaeus University, Sweden</p></fn>
<corresp id="cor1"><label>&#x002A;</label><bold>Correspondence:</bold> Eduardo Navarro Jimenez <email>eduardo.navarro@unisimon.edu.co</email></corresp>
<fn fn-type="equal" id="an1"><label><sup>&#x2020;</sup></label><p>These authors have contributed equally to this work</p></fn>
</author-notes>
<pub-date pub-type="epub"><day>11</day><month>02</month><year>2025</year></pub-date>
<pub-date pub-type="collection"><year>2025</year></pub-date>
<volume>7</volume><elocation-id>1505817</elocation-id>
<history>
<date date-type="received"><day>17</day><month>10</month><year>2024</year></date>
<date date-type="accepted"><day>14</day><month>01</month><year>2025</year></date>
</history>
<permissions>
<copyright-statement>&#x00A9; 2025 Conde-Ripoll, Escudero-Tena, Clemente-Su&#x00E1;rez, Navarro Jimenez and Bustamante-S&#x00E1;nchez.</copyright-statement>
<copyright-year>2025</copyright-year><copyright-holder>Conde-Ripoll, Escudero-Tena, Clemente-Su&#x00E1;rez, Navarro Jimenez and Bustamante-S&#x00E1;nchez</copyright-holder><license license-type="open-access" xlink:href="http://creativecommons.org/licenses/by/4.0/">
<p>This is an open-access article distributed under the terms of the <ext-link ext-link-type="uri" xlink:href="http://creativecommons.org/licenses/by/4.0/">Creative Commons Attribution License (CC BY)</ext-link>. The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.</p></license>
</permissions>
<abstract><sec><title>Introduction</title>
<p>This study aimed to analyse the differences between pressure training and official competition matches in high-level male padel players from Finland, focusing on the proportion of points won by serving and returning players, the frequency of break points and golden points, and the effectiveness of the last shot.</p>
</sec><sec><title>Methods</title>
<p>A total of 4,417 points from 38 matches played during the 2022 and 2023 seasons were analyzed.</p>
</sec><sec><title>Results</title>
<p>The results revealed no significant association between match type (pressure training vs. competition) and the distribution of winners, forced errors, or unforced errors (<italic>p</italic> &#x003D; 0.867). Similarly, the frequency of break points, non-break points, golden points, and non-golden points remained consistent across both match types, regardless of the service situation (serving or returning players). While a relationship was observed between shot type and match type in forced errors (<italic>p</italic> &#x003D; 0.024), the overall shot effectiveness remained comparable across different shot types.</p>
</sec><sec><title>Discussion</title>
<p>In conclusion, this study suggests that high-level male padel players display comparable technical-tactical performance in pressure training and official competition matches.</p>
</sec>
</abstract>
<kwd-group>
<kwd>racket sport</kwd>
<kwd>performance</kwd>
<kwd>game analysis</kwd>
<kwd>notational analysis</kwd>
<kwd>pressure training</kwd>
</kwd-group><contract-num rid="cn001">CIPI/22.303</contract-num><contract-sponsor id="cn001">Universidad Europea de Madrid</contract-sponsor><counts>
<fig-count count="0"/>
<table-count count="4"/><equation-count count="0"/><ref-count count="49"/><page-count count="7"/><word-count count="0"/></counts><custom-meta-wrap><custom-meta><meta-name>section-at-acceptance</meta-name><meta-value>Elite Sports and Performance Enhancement</meta-value></custom-meta></custom-meta-wrap>
</article-meta>
</front>
<body><sec id="s1" sec-type="intro"><title>Introduction</title>
<p>From repetitive shot drills fed by coaches from a basket to more open situations such as training matches, padel players at all levels showcase their training routines on social media. Ideally, the training process in sports should involve a holistic approach, optimizing athletes&#x0027; physical, technical, cognitive, and psychological capacities (<xref ref-type="bibr" rid="B1">1</xref>). The principle &#x201C;practice how you play&#x201D; (<xref ref-type="bibr" rid="B2">2</xref>) highlights the importance of mirroring competitive conditions during training, as previous research suggests that closer alignment between training and competition enhances skill and behavioral transfer (<xref ref-type="bibr" rid="B3">3</xref>&#x2013;<xref ref-type="bibr" rid="B5">5</xref>).</p>
<p>In padel, players face constant decision-making (<xref ref-type="bibr" rid="B6">6</xref>) and pressure-filled situations, such as break points (e.g., 15/40 or 30/40) or golden points (40/40 under no-advantage rules). Pressure, defined as &#x201C;the presence of situational motivators for achieving optimal, maximal, or superior performance&#x201D; (<xref ref-type="bibr" rid="B7">7</xref>), is perceived differently across athletes due to factors like personal goals or external rewards (<xref ref-type="bibr" rid="B8">8</xref>&#x2013;<xref ref-type="bibr" rid="B10">10</xref>). Although physical demands during matches remain consistent (<xref ref-type="bibr" rid="B11">11</xref>), athletes&#x2019; cognitive appraisal and emotional regulation under pressure often dictate their performance outcomes (<xref ref-type="bibr" rid="B12">12</xref>, <xref ref-type="bibr" rid="B13">13</xref>). Poor pressure management of these demands can lead to performance deterioration (<xref ref-type="bibr" rid="B14">14</xref>, <xref ref-type="bibr" rid="B15">15</xref>), while effective coping strategies are associated with improved outcomes (<xref ref-type="bibr" rid="B16">16</xref>&#x2013;<xref ref-type="bibr" rid="B18">18</xref>). As a result, coaches are encouraged to implement ecological training practices, which simulate match scenarios by increasing task demands or the consequences of errors (<xref ref-type="bibr" rid="B19">19</xref>, <xref ref-type="bibr" rid="B20">20</xref>).</p>
<p>Technical-tactical performance analysis also plays a critical role in training and competitions, providing valuable insights into player actions and strategies (<xref ref-type="bibr" rid="B21">21</xref>). A key metric in padel is the effectiveness of the last shot, classified as a winner, a forced error, or an unforced error (<xref ref-type="bibr" rid="B22">22</xref>). In men&#x0027;s professional padel, winners often result from well-executed smashes (<xref ref-type="bibr" rid="B23">23</xref>&#x2013;<xref ref-type="bibr" rid="B25">25</xref>), while forced and unforced errors frequently involve forehand and backhand volleys, highlighting key areas for improvement (<xref ref-type="bibr" rid="B24">24</xref>).</p>
<p>Despite the importance of pressure training and technical-tactical analysis, research on these aspects in high-level padel remains limited. This study aims to fill this gap by comparing pressure training and competitive match scenarios among high-level male players in Finland. Specifically, we analyzed differences in points won by servers and returners, the occurrence of break points and golden points, and the effectiveness of the last shot. We hypothesized that pressure training would closely replicate competition conditions, offering a reliable framework for enhancing performance.</p>
</sec>
<sec id="s2"><title>Method</title>
<sec id="s2a"><title>Research design</title>
<p>This research follows an empirical methodology, specifically employing a descriptive strategy. It is primarily observational in nature, being nomothetic, cross-sectional, and multidimensional (<xref ref-type="bibr" rid="B26">26</xref>). Although the study includes a form of intervention through pressure training, it remains observational as the pressure training simply simulated a high-stakes environment without controlling or manipulating player behavior. This approach allows for the observation of natural performance under varying conditions while maintaining the overall observational design.</p>
</sec>
<sec id="s2b"><title>Sample</title>
<p>A total of 4,417 points were analyzed from 38 matches, including 18 pressure training matches and 20 official competition matches. Only points played in regular games were included; points from tiebreaks and super tiebreaks were excluded. The matches took place in Finland during 2022 and 2023. All competition matches were part of tournaments in the highest category, with points contributing to the Finnish Padel Federation ranking.</p>
<p>Participants were recruited using a convenience sampling approach, selecting players who were actively competing at the highest level in Finland. The sample comprised 30 male players, all ranked within the top 60 of the Finnish Padel Federation at the time of data collection. In the pressure training matches, 12 players from the top 25 participated. In the official competition matches, these 12 players were joined by an additional 18 players, all ranked within the top 60. Although not all players participated in both training and competition scenarios, this ranking distribution ensures that the level of play was consistently high across all analyzed matches.</p>
<p>Players were excluded if they were injured or unable to participate in either the training or competition matches during the study period. No additional exclusion criteria were applied.</p>
<p>The sample size was not determined using an <italic>a priori</italic> power calculation due to the recruitment approach. Instead, the study included all available data from matches and training sessions during the study period, providing a comprehensive and robust dataset for analysis.</p>
<p>All procedures were conducted according with ethical standards in sport and exercise science research (<xref ref-type="bibr" rid="B27">27</xref>) and in accordance with the Helsinki Declaration. The research was previously approved by the Ethics Committee for Research of the European University of Madrid with the code CIPI/22.303.</p>
</sec>
<sec id="s2c"><title>Study variables</title>
<p>The following variables were defined and analyzed based on their categorical core and degree of openness (<xref ref-type="bibr" rid="B28">28</xref>):
<list list-type="simple">
<list-item><label>-</label>
<p>Match type: a difference was made between pressure training matches and official competition matches.</p></list-item>
<list-item><label>-</label>
<p>Break point type: a difference was made between break points and non-break points.</p></list-item>
<list-item><label>-</label>
<p>Golden point type: a difference was made between golden points and non-golden points.</p></list-item>
<list-item><label>-</label>
<p>Last shot serving situation: a difference was made between points in which the last shot was executed by the serving players and by the returning players.</p></list-item>
<list-item><label>-</label>
<p>Serving efficiency: a difference was made between points won by the serving players and points won by the returning players.</p></list-item>
<list-item><label>-</label>
<p>Effectiveness of the last shot: winner, forced error or unforced error. These categories are defined based on previous studies (<xref ref-type="bibr" rid="B29">29</xref>).</p></list-item>
<list-item><label>-</label>
<p>Last shot type: a difference was made among bandeja, smash, fake smash, recovery smash, forehand volley, backhand volley, forehand bajada, backhand bajada, forehand, backhand, back wall forehand, back wall backhand, side wall forehand, side wall backhand, double wall forehand, double wall backhand, first serve, second serve, return, contrapared and other (cadete, willy..). The definition of each of these categories was based on previous studies (<xref ref-type="bibr" rid="B23">23</xref>, <xref ref-type="bibr" rid="B30">30</xref>).</p></list-item>
</list>We acknowledge that this study did not include direct assessments of psychological factors such as mental fatigue, sleep quality, or mental strength, which are known to influence performance outcomes in high-pressure scenarios. The absence of these measures limits the ability to comprehensively evaluate the interplay between psychological and technical-tactical performance parameters.</p>
</sec>
<sec id="s2d"><title>Procedure</title>
<p>The players were informed by the coach that they would undergo pressure training. Pressure training refers to an intervention designed to assist athletes in performing under pressure by deliberately exposing them to stressors during training sessions (<xref ref-type="bibr" rid="B19">19</xref>, <xref ref-type="bibr" rid="B31">31</xref>, <xref ref-type="bibr" rid="B32">32</xref>). In our study, players were recorded during the practice matches while their technical-tactical performance was evaluated by the head coach of the first ever professional padel team of Finland.</p>
<p>An observer, a PhD student in Sports Sciences, certified padel coach and with a large number of published scientific research related to the topic of study, observed the matches live and recorded the study variables through an ad-hoc instrument. At the end of the collection process, an intra-observer reliability analysis was performed to ensure the veracity of the data collected. The observer reanalyzed a random sample of 6 matches (matches were recorded) to ensure enough relevant data to represent 10&#x0025;&#x2013;20&#x0025; of the study sample (<xref ref-type="bibr" rid="B33">33</xref>). The mean intra-observer reliability was 0.90, considered almost perfect (<xref ref-type="bibr" rid="B34">34</xref>). In addition, another observer, a PhD in Sports Sciences, certified padel coach and with a large number of published scientific research related to the topic of study, also analyzed a random sample of 6 matches to calculate the average inter-observer reliability, which was 0.84 (<xref ref-type="bibr" rid="B34">34</xref>).</p>
</sec>
<sec id="s2e"><title>Statistical analysis</title>
<p>An inferential analysis was performed to develop contingency tables, including the Chi-square (&#x03C7;<sup>2</sup>) statistical test to obtain the association between variables. The strength of association between variables was also calculated, for which Cramer&#x0027;s V coefficient (Vc) was used (<xref ref-type="bibr" rid="B35">35</xref>). Crewson differentiates the strength of association according to the value, considering a small (&#x003C;0.100), low (0.100&#x2013;0.299), moderate (0.300&#x2013;0.499) or high (&#x003E;0.500) association. In addition, subsequent <italic>Z</italic>-tests were performed to compare column proportions, adjusting for <italic>p</italic>-values &#x003C;0.05 according to Bonferroni (<xref ref-type="bibr" rid="B36">36</xref>). Contingency tables allowed identification of associations between variable categories through corrected standard residuals (CSR). Residuals &#x003E;&#x007C;1.96&#x007C; betrayed cells with more or fewer cases than there should be (<xref ref-type="bibr" rid="B35">35</xref>). The significance level was set at <italic>p</italic>&#x2009;&#x003C;&#x2009;0.05 and statistical analysis was performed using the IBM SPSS (IBM SPSS Statistics for Windows, Version 27.0. IBM, Armonk, NY, USA) statistical package for Windows.</p>
</sec>
</sec>
<sec id="s3" sec-type="results"><title>Results</title>
<p><xref ref-type="table" rid="T1">Table&#x00A0;1</xref> shows the differences between pressure training and competition according to the effectiveness of the last shot. There is not any relationship between the effectiveness of the last shot and the match type (&#x03C7;<sup>2</sup>&#x2009;&#x003D;&#x2009;0.286; df&#x2009;&#x003D;&#x2009;2; <italic>p</italic>&#x2009;&#x003D;&#x2009;0.867; Vc&#x2009;&#x003D;&#x2009;0.008). In both practice and competitive matches, points predominantly concluded with unforced errors, followed by winners, and then forced errors.</p>
<table-wrap id="T1" position="float"><label>Table 1</label>
<caption><p>Differences between pressure training and competition according to the effectiveness of the last shot.</p></caption>
<table frame="hsides" rules="groups">
<colgroup>
<col align="left"/>
<col align="center"/>
<col align="center"/>
<col align="center"/>
<col align="center"/>
<col align="center"/>
<col align="center"/>
</colgroup>
<thead>
<tr>
<th valign="top" align="left" rowspan="2"/>
<th valign="top" align="center" colspan="3">Pressure training</th>
<th valign="top" align="center" colspan="3">Competition</th>
</tr>
<tr>
<th valign="top" align="center"><italic>n</italic></th>
<th valign="top" align="center">&#x0025;</th>
<th valign="top" align="center">CSR</th>
<th valign="top" align="center"><italic>n</italic></th>
<th valign="top" align="center">&#x0025;</th>
<th valign="top" align="center">CSR</th>
</tr>
</thead>
<tbody>
<tr>
<td valign="top" align="left">Winners</td>
<td valign="top" align="center">834</td>
<td valign="top" align="center">37.3</td>
<td valign="top" align="center">0.2</td>
<td valign="top" align="center">847</td>
<td valign="top" align="center">37.0</td>
<td valign="top" align="center">&#x2212;0.2</td>
</tr>
<tr>
<td valign="top" align="left">Forced errors</td>
<td valign="top" align="center">520</td>
<td valign="top" align="center">23.3</td>
<td valign="top" align="center">0.4</td>
<td valign="top" align="center">522</td>
<td valign="top" align="center">22.8</td>
<td valign="top" align="center">&#x2212;0.4</td>
</tr>
<tr>
<td valign="top" align="left">Unforced errors</td>
<td valign="top" align="center">880</td>
<td valign="top" align="center">39.4</td>
<td valign="top" align="center">&#x2212;0.5</td>
<td valign="top" align="center">918</td>
<td valign="top" align="center">40.1</td>
<td valign="top" align="center">0.5</td>
</tr>
</tbody>
</table>
<table-wrap-foot>
<fn id="table-fn1"><p><italic>n</italic>, number; &#x0025;: percentage; CSR, corrected standard residuals.</p></fn>
</table-wrap-foot>
</table-wrap>
<p><xref ref-type="table" rid="T2">Table&#x00A0;2</xref> shows the differences between pressure training and competition according to the effectiveness of the last shot and last shot serving situation and to the serving efficiency. There is no significant relationship between the match type and the effectiveness of the last shot in points won by serving players (&#x03C7;<sup>2</sup>&#x2009;&#x003D;&#x2009;1.027; df&#x2009;&#x003D;&#x2009;2; <italic>p</italic>&#x2009;&#x003D;&#x2009;0.598; Vc&#x2009;&#x003D;&#x2009;0.021), nor by returning players (&#x03C7;<sup>2</sup>&#x2009;&#x003D;&#x2009;2.161; df&#x2009;&#x003D;&#x2009;2; <italic>p</italic>&#x2009;&#x003D;&#x2009;0.340; Vc&#x2009;&#x003D;&#x2009;0.031). Furthermore, no significant relationship is found between the pair that wins the points depending on the serving situation, and the match type (&#x03C7;<sup>2</sup>&#x2009;&#x003D;&#x2009;0.033; df&#x2009;&#x003D;&#x2009;1; <italic>p</italic>&#x2009;&#x003D;&#x2009;0.857; Vc&#x2009;&#x003D;&#x2009;0.003).</p>
<table-wrap id="T2" position="float"><label>Table 2</label>
<caption><p>Differences between pressure training and competition according (a) to the effectiveness of the last shot and last shot serving situation and (b) to the serving efficiency.</p></caption>
<table frame="hsides" rules="groups">
<colgroup>
<col align="left"/>
<col align="center"/>
<col align="center"/>
<col align="center"/>
<col align="center"/>
<col align="center"/>
<col align="center"/>
<col align="center"/>
<col align="center"/>
<col align="center"/>
<col align="center"/>
<col align="center"/>
<col align="center"/>
</colgroup>
<thead>
<tr>
<th valign="top" align="left" rowspan="3"/>
<th valign="top" align="center" colspan="6">Serving players</th>
<th valign="top" align="center" colspan="6">Returning players</th>
</tr>
<tr>
<th valign="top" align="center" colspan="3">Pressure training</th>
<th valign="top" align="center" colspan="3">Competition</th>
<th valign="top" align="center" colspan="3">Pressure training</th>
<th valign="top" align="center" colspan="3">Competition</th>
</tr>
<tr>
<th valign="top" align="center"><italic>n</italic></th>
<th valign="top" align="center">&#x0025;</th>
<th valign="top" align="center">CSR</th>
<th valign="top" align="center"><italic>n</italic></th>
<th valign="top" align="center">&#x0025;</th>
<th valign="top" align="center">CSR</th>
<th valign="top" align="center"><italic>n</italic></th>
<th valign="top" align="center">&#x0025;</th>
<th valign="top" align="center">CSR</th>
<th valign="top" align="center"><italic>n</italic></th>
<th valign="top" align="center">&#x0025;</th>
<th valign="top" align="center">CSR</th>
</tr>
</thead>
<tbody>
<tr>
<td valign="top" align="left">Winners</td>
<td valign="top" align="center">544</td>
<td valign="top" align="center">47.8</td>
<td valign="top" align="center">0.6</td>
<td valign="top" align="center">539</td>
<td valign="top" align="center">47.2</td>
<td valign="top" align="center">&#x2212;0.6</td>
<td valign="top" align="center">290</td>
<td valign="top" align="center">26.5</td>
<td valign="top" align="center">&#x2212;0.2</td>
<td valign="top" align="center">308</td>
<td valign="top" align="center">26.9</td>
<td valign="top" align="center">0.2</td>
</tr>
<tr>
<td valign="top" align="left">Forced errors</td>
<td valign="top" align="center">168</td>
<td valign="top" align="center">14.7</td>
<td valign="top" align="center">&#x2212;1.0</td>
<td valign="top" align="center">186</td>
<td valign="top" align="center">16.3</td>
<td valign="top" align="center">1.0</td>
<td valign="top" align="center">352</td>
<td valign="top" align="center">32.1</td>
<td valign="top" align="center">1.4</td>
<td valign="top" align="center">336</td>
<td valign="top" align="center">29.4</td>
<td valign="top" align="center">&#x2212;1.4</td>
</tr>
<tr>
<td valign="top" align="left">Unforced errors</td>
<td valign="top" align="center">427</td>
<td valign="top" align="center">37.5</td>
<td valign="top" align="center">0.5</td>
<td valign="top" align="center">418</td>
<td valign="top" align="center">36.5</td>
<td valign="top" align="center">&#x2212;0.5</td>
<td valign="top" align="center">453</td>
<td valign="top" align="center">41.4</td>
<td valign="top" align="center">&#x2212;1.1</td>
<td valign="top" align="center">500</td>
<td valign="top" align="center">43.7</td>
<td valign="top" align="center">1.1</td>
</tr>
<tr>
<td valign="top" align="left">Total points won</td>
<td valign="top" align="center">1,349</td>
<td valign="top" align="center">60.4</td>
<td valign="top" align="center">0.2</td>
<td valign="top" align="center">1,375</td>
<td valign="top" align="center">60.1</td>
<td valign="top" align="center">&#x2212;0.2</td>
<td valign="top" align="center">885</td>
<td valign="top" align="center">39.6</td>
<td valign="top" align="center">&#x2212;0.2</td>
<td valign="top" align="center">912</td>
<td valign="top" align="center">39.9</td>
<td valign="top" align="center">0.2</td>
</tr>
</tbody>
</table>
<table-wrap-foot>
<fn id="table-fn3"><p><italic>n</italic>, number; &#x0025;, percentage; CSR, corrected standard residuals.</p></fn>
</table-wrap-foot>
</table-wrap>
<p><xref ref-type="table" rid="T3">Table&#x00A0;3</xref> shows the differences between pressure training and competition according to the serving efficacy, break point type and golden point type. There is no significant relationship between the type of point (break point) and the match type (&#x03C7;<sup>2</sup>&#x2009;&#x003D;&#x2009;0.004; df&#x2009;&#x003D;&#x2009;1; <italic>p</italic>&#x2009;&#x003D;&#x2009;0.947; Vc&#x2009;&#x003D;&#x2009;0.001). There is no significant relationship between the break and non-break points won by the serving players, and the match type (&#x03C7;<sup>2</sup>&#x2009;&#x003D;&#x2009;0.220; df&#x2009;&#x003D;&#x2009;1; <italic>p</italic>&#x2009;&#x003D;&#x2009;0.639; Vc&#x2009;&#x003D;&#x2009;0.009). There is no significant relationship between the break and non-break points won by the returning players, and the match type (&#x03C7;<sup>2</sup>&#x2009;&#x003D;&#x2009;0.204; df&#x2009;&#x003D;&#x2009;1; <italic>p</italic>&#x2009;&#x003D;&#x2009;0.651; Vc&#x2009;&#x003D;&#x2009;0.011). There is no significant relationship between the type of point (golden point) and the match type (&#x03C7;<sup>2</sup>&#x2009;&#x003D;&#x2009;0.246; df&#x2009;&#x003D;&#x2009;1; <italic>p</italic>&#x2009;&#x003D;&#x2009;0.620; Vc&#x2009;&#x003D;&#x2009;0.007). There is no significant relationship between the golden and non-golden points won by the serving players, and the match type (&#x03C7;<sup>2</sup>&#x2009;&#x003D;&#x2009;2.515; df&#x2009;&#x003D;&#x2009;1; <italic>p</italic>&#x2009;&#x003D;&#x2009;0.113; Vc&#x2009;&#x003D;&#x2009;0.031). There is no significant relationship between the golden and non-golden points won by the returning players, and the match type (&#x03C7;<sup>2</sup>&#x2009;&#x003D;&#x2009;1.552; df&#x2009;&#x003D;&#x2009;1; <italic>p</italic>&#x2009;&#x003D;&#x2009;0.213; Vc&#x2009;&#x003D;&#x2009;0.030).</p>
<table-wrap id="T3" position="float"><label>Table 3</label>
<caption><p>Differences between pressure training and competition according to the serving efficacy, break point type and golden point type.</p></caption>
<table frame="hsides" rules="groups">
<colgroup>
<col align="left"/>
<col align="left"/>
<col align="center"/>
<col align="center"/>
<col align="center"/>
<col align="center"/>
<col align="center"/>
<col align="center"/>
</colgroup>
<thead>
<tr>
<th valign="top" align="left" rowspan="2" colspan="2"/>
<th valign="top" align="center" colspan="3">Pressure training</th>
<th valign="top" align="center" colspan="3">Competition</th>
</tr>
<tr>
<th valign="top" align="center"><italic>n</italic></th>
<th valign="top" align="center">&#x0025;</th>
<th valign="top" align="center">CSR</th>
<th valign="top" align="center"><italic>n</italic></th>
<th valign="top" align="center">&#x0025;</th>
<th valign="top" align="center">CSR</th>
</tr>
</thead>
<tbody>
<tr>
<td valign="top" align="left" rowspan="2">Break points frequency</td>
<td valign="top" align="left">Break points</td>
<td valign="top" align="center">267</td>
<td valign="top" align="center">12.3</td>
<td valign="top" align="center">0.1</td>
<td valign="top" align="center">276</td>
<td valign="top" align="center">12.3</td>
<td valign="top" align="center">&#x2212;0.1</td>
</tr>
<tr>
<td valign="top" align="left">Non-break points</td>
<td valign="top" align="center">1,899</td>
<td valign="top" align="center">87.7</td>
<td valign="top" align="center">&#x2212;0.1</td>
<td valign="top" align="center">1,975</td>
<td valign="top" align="center">87.7</td>
<td valign="top" align="center">0.1</td>
</tr>
<tr>
<td valign="top" align="left" rowspan="2">Break and non-break points won by the servers</td>
<td valign="top" align="left">Break points won by the serving players</td>
<td valign="top" align="center">159</td>
<td valign="top" align="center">12.2</td>
<td valign="top" align="center">0.5</td>
<td valign="top" align="center">157</td>
<td valign="top" align="center">11.6</td>
<td valign="top" align="center">&#x2212;0.5</td>
</tr>
<tr>
<td valign="top" align="left">Non-break points won by the serving players</td>
<td valign="top" align="center">1,145</td>
<td valign="top" align="center">87.8</td>
<td valign="top" align="center">&#x2212;0.5</td>
<td valign="top" align="center">1,196</td>
<td valign="top" align="center">88.4</td>
<td valign="top" align="center">0.5</td>
</tr>
<tr>
<td valign="top" align="left" rowspan="2">Break and non-break points won by the returners</td>
<td valign="top" align="left">Break points won by the returning players</td>
<td valign="top" align="center">108</td>
<td valign="top" align="center">12.5</td>
<td valign="top" align="center">&#x2212;0.5</td>
<td valign="top" align="center">119</td>
<td valign="top" align="center">13.3</td>
<td valign="top" align="center">0.5</td>
</tr>
<tr>
<td valign="top" align="left">Non-break points won by the returning players</td>
<td valign="top" align="center">754</td>
<td valign="top" align="center">87.5</td>
<td valign="top" align="center">0.5</td>
<td valign="top" align="center">779</td>
<td valign="top" align="center">86.7</td>
<td valign="top" align="center">&#x2212;0.5</td>
</tr>
<tr>
<td valign="top" align="left" rowspan="2">Golden points frequency</td>
<td valign="top" align="left">Golden points</td>
<td valign="top" align="center">101</td>
<td valign="top" align="center">4.7</td>
<td valign="top" align="center">0.5</td>
<td valign="top" align="center">98</td>
<td valign="top" align="center">4.4</td>
<td valign="top" align="center">&#x2212;0.5</td>
</tr>
<tr>
<td valign="top" align="left">Non-golden points</td>
<td valign="top" align="center">2,065</td>
<td valign="top" align="center">95.3</td>
<td valign="top" align="center">&#x2212;0.5</td>
<td valign="top" align="center">2,153</td>
<td valign="top" align="center">95.6</td>
<td valign="top" align="center">0.5</td>
</tr>
<tr>
<td valign="top" align="left" rowspan="2">Golden and non-golden points won by the servers</td>
<td valign="top" align="left">Golden points won by the serving players</td>
<td valign="top" align="center">70</td>
<td valign="top" align="center">5.4</td>
<td valign="top" align="center">1.6</td>
<td valign="top" align="center">55</td>
<td valign="top" align="center">4.1</td>
<td valign="top" align="center">&#x2212;1.6</td>
</tr>
<tr>
<td valign="top" align="left">Non-golden points won by the serving players</td>
<td valign="top" align="center">1,234</td>
<td valign="top" align="center">94.6</td>
<td valign="top" align="center">&#x2212;1.6</td>
<td valign="top" align="center">1,298</td>
<td valign="top" align="center">95.9</td>
<td valign="top" align="center">1.6</td>
</tr>
<tr>
<td valign="top" align="left" rowspan="2">Golden and non-golden points won by the returners</td>
<td valign="top" align="left">Golden points won by the returning players</td>
<td valign="top" align="center">31</td>
<td valign="top" align="center">3.6</td>
<td valign="top" align="center">&#x2212;1.2</td>
<td valign="top" align="center">43</td>
<td valign="top" align="center">4.8</td>
<td valign="top" align="center">1.2</td>
</tr>
<tr>
<td valign="top" align="left">Non-golden points won by the returning players</td>
<td valign="top" align="center">831</td>
<td valign="top" align="center">96.4</td>
<td valign="top" align="center">1.2</td>
<td valign="top" align="center">855</td>
<td valign="top" align="center">95.2</td>
<td valign="top" align="center">&#x2212;1.2</td>
</tr>
</tbody>
</table>
<table-wrap-foot>
<fn id="table-fn5"><p><italic>n</italic>, number; &#x0025;, percentage; CSR, corrected standard residuals.</p></fn>
</table-wrap-foot>
</table-wrap>
<p><xref ref-type="table" rid="T4">Table&#x00A0;4</xref> shows the differences in winners, forced errors and unforced errors between pressure training matches and competitive matches. There is no significant relationship between the shot type and the match type neither in winners (&#x03C7;<sup>2</sup>&#x2009;&#x003D;&#x2009;16.349; df&#x2009;&#x003D;&#x2009;18; <italic>p</italic>&#x2009;&#x003D;&#x2009;568; Vc&#x2009;&#x003D;&#x2009;0.099) nor in unforced errors (&#x03C7;<sup>2</sup>&#x2009;&#x003D;&#x2009;24.765; df&#x2009;&#x003D;&#x2009;18; <italic>p</italic>&#x2009;&#x003D;&#x2009;0.132; Vc&#x2009;&#x003D;&#x2009;0.117). Nevertheless, there is a relationship between the shot type and the match type in forced errors (&#x03C7;<sup>2</sup>&#x2009;&#x003D;&#x2009;27.583; df&#x2009;&#x003D;&#x2009;15; <italic>p</italic>&#x2009;&#x003D;&#x2009;0.024; Vc&#x2009;&#x003D;&#x2009;0.163).</p>
<table-wrap id="T4" position="float"><label>Table 4</label>
<caption><p>Differences in winners, forced errors and unforced errors between pressure training matches and competitive matches.</p></caption>
<table frame="hsides" rules="groups">
<colgroup>
<col align="left"/>
<col align="left"/>
<col align="center"/>
<col align="center"/>
<col align="center"/>
<col align="center"/>
<col align="center"/>
<col align="center"/>
<col align="center"/>
<col align="center"/>
<col align="center"/>
<col align="center"/>
<col align="center"/>
<col align="center"/>
</colgroup>
<thead>
<tr>
<th valign="top" align="left" rowspan="3">Shot family</th>
<th valign="top" align="center" rowspan="2"/>
<th valign="top" align="center" colspan="4">Winners</th>
<th valign="top" align="center" colspan="4">Forced errors</th>
<th valign="top" align="center" colspan="4">Unforced errors</th>
</tr>
<tr>
<th valign="top" align="center" colspan="2">P</th>
<th valign="top" align="center" colspan="2">C</th>
<th valign="top" align="center" colspan="2">P</th>
<th valign="top" align="center" colspan="2">C</th>
<th valign="top" align="center" colspan="2">P</th>
<th valign="top" align="center" colspan="2">C</th>
</tr>
<tr>
<th valign="top" align="left">Shot type</th>
<th valign="top" align="center">&#x0025;</th>
<th valign="top" align="center">CSR</th>
<th valign="top" align="center">&#x0025;</th>
<th valign="top" align="center">CSR</th>
<th valign="top" align="center">&#x0025;</th>
<th valign="top" align="center">CSR</th>
<th valign="top" align="center">&#x0025;</th>
<th valign="top" align="center">CSR</th>
<th valign="top" align="center">&#x0025;</th>
<th valign="top" align="center">CSR</th>
<th valign="top" align="center">&#x0025;</th>
<th valign="top" align="center">CSR</th>
</tr>
</thead>
<tbody>
<tr>
<td valign="top" align="left" rowspan="4">Without bounce</td>
<td valign="top" align="left">Smash</td>
<td valign="top" align="center">45.0<sup>a</sup></td>
<td valign="top" align="center">1.3</td>
<td valign="top" align="center">41.9<sup>a</sup></td>
<td valign="top" align="center">&#x2212;1.3</td>
<td valign="top" align="center"/>
<td valign="top" align="center"/>
<td valign="top" align="center"/>
<td valign="top" align="center"/>
<td valign="top" align="center">4.1<sup>a</sup></td>
<td valign="top" align="center">0.2</td>
<td valign="top" align="center">3.9<sup>a</sup></td>
<td valign="top" align="center">&#x2212;0.2</td>
</tr>
<tr>
<td valign="top" align="left">Bandeja</td>
<td valign="top" align="center">11.6<sup>a</sup></td>
<td valign="top" align="center">0.2</td>
<td valign="top" align="center">11.3<sup>a</sup></td>
<td valign="top" align="center">&#x2212;0.3</td>
<td valign="top" align="center">0.4<sup>a</sup></td>
<td valign="top" align="center">0.6</td>
<td valign="top" align="center">0.2<sup>a</sup></td>
<td valign="top" align="center">&#x2212;0.6</td>
<td valign="top" align="center">14.8<sup>a</sup></td>
<td valign="top" align="center"><bold>2</bold><bold>.</bold><bold>3</bold></td>
<td valign="top" align="center">11.1<sup>b</sup></td>
<td valign="top" align="center">&#x2212;2.3</td>
</tr>
<tr>
<td valign="top" align="left">Forehand volley</td>
<td valign="top" align="center">13.3<sup>a</sup></td>
<td valign="top" align="center">&#x2212;0.4</td>
<td valign="top" align="center">14.0<sup>a</sup></td>
<td valign="top" align="center">0.4</td>
<td valign="top" align="center">8.5<sup>a</sup></td>
<td valign="top" align="center">&#x2212;1.2</td>
<td valign="top" align="center">10.7<sup>a</sup></td>
<td valign="top" align="center">1.2</td>
<td valign="top" align="center">15.5<sup>a</sup></td>
<td valign="top" align="center">&#x2212;1.2</td>
<td valign="top" align="center">17.5<sup>a</sup></td>
<td valign="top" align="center">1.2</td>
</tr>
<tr>
<td valign="top" align="left">Backhand volley</td>
<td valign="top" align="center">11.0<sup>a</sup></td>
<td valign="top" align="center">&#x2212;0.6</td>
<td valign="top" align="center">11.9<sup>a</sup></td>
<td valign="top" align="center">0.6</td>
<td valign="top" align="center">17.3<sup>a</sup></td>
<td valign="top" align="center">0.2</td>
<td valign="top" align="center">16.9<sup>a</sup></td>
<td valign="top" align="center">&#x2212;0.2</td>
<td valign="top" align="center">15.5<sup>a</sup></td>
<td valign="top" align="center">&#x2212;1.2</td>
<td valign="top" align="center">17.5<sup>a</sup></td>
<td valign="top" align="center">1.2</td>
</tr>
<tr>
<td valign="top" align="left" rowspan="2">With bounce and without wall</td>
<td valign="top" align="left">Forehand</td>
<td valign="top" align="center">3.4<sup>a</sup></td>
<td valign="top" align="center">&#x2212;0.7</td>
<td valign="top" align="center">4.0<sup>a</sup></td>
<td valign="top" align="center">0.7</td>
<td valign="top" align="center">10.8<sup>a</sup></td>
<td valign="top" align="center">1.2</td>
<td valign="top" align="center">8.6<sup>a</sup></td>
<td valign="top" align="center">&#x2212;1.2</td>
<td valign="top" align="center">7.8<sup>a</sup></td>
<td valign="top" align="center">&#x2212;0.2</td>
<td valign="top" align="center">8.1<sup>a</sup></td>
<td valign="top" align="center">0.2</td>
</tr>
<tr>
<td valign="top" align="left">Backhand</td>
<td valign="top" align="center">1.8<sup>a</sup></td>
<td valign="top" align="center">&#x2212;1.4</td>
<td valign="top" align="center">2.8<sup>a</sup></td>
<td valign="top" align="center">1.4</td>
<td valign="top" align="center">11.5<sup>a</sup></td>
<td valign="top" align="center">&#x2212;2.1</td>
<td valign="top" align="center">16.1<sup>b</sup></td>
<td valign="top" align="center"><bold>2</bold><bold>.</bold><bold>1</bold></td>
<td valign="top" align="center">8.6<sup>a</sup></td>
<td valign="top" align="center">&#x2212;0.7</td>
<td valign="top" align="center">9.6<sup>a</sup></td>
<td valign="top" align="center">0.7</td>
</tr>
<tr>
<td valign="top" align="left" rowspan="9">With bounce and with wall</td>
<td valign="top" align="left">Forehand bajada</td>
<td valign="top" align="center">3.5<sup>a</sup></td>
<td valign="top" align="center">1.8</td>
<td valign="top" align="center">2.0<sup>a</sup></td>
<td valign="top" align="center">&#x2212;1.8</td>
<td valign="top" align="center">0.0<sup>a</sup></td>
<td valign="top" align="center">&#x2212;1.0</td>
<td valign="top" align="center">0.2<sup>a</sup></td>
<td valign="top" align="center">1.0</td>
<td valign="top" align="center">2.8<sup>a</sup></td>
<td valign="top" align="center">&#x2212;1.3</td>
<td valign="top" align="center">3.9<sup>a</sup></td>
<td valign="top" align="center">1.3</td>
</tr>
<tr>
<td valign="top" align="left">Backhand bajada</td>
<td valign="top" align="center">0.7<sup>a</sup></td>
<td valign="top" align="center">0.3</td>
<td valign="top" align="center">0.6<sup>a</sup></td>
<td valign="top" align="center">&#x2212;0.3</td>
<td valign="top" align="center"/>
<td valign="top" align="center"/>
<td valign="top" align="center"/>
<td valign="top" align="center"/>
<td valign="top" align="center">1.0<sup>a</sup></td>
<td valign="top" align="center">&#x2212;1.1</td>
<td valign="top" align="center">1.6<sup>a</sup></td>
<td valign="top" align="center">1.1</td>
</tr>
<tr>
<td valign="top" align="left">Back wall forehand</td>
<td valign="top" align="center">1.4<sup>a</sup></td>
<td valign="top" align="center">&#x2212;0.2</td>
<td valign="top" align="center">1.5<sup>a</sup></td>
<td valign="top" align="center">0.2</td>
<td valign="top" align="center">7.7<sup>a</sup></td>
<td valign="top" align="center">0.5</td>
<td valign="top" align="center">6.9<sup>a</sup></td>
<td valign="top" align="center">&#x2212;0.5</td>
<td valign="top" align="center">3.4<sup>a</sup></td>
<td valign="top" align="center">&#x2212;1.5</td>
<td valign="top" align="center">4.8<sup>a</sup></td>
<td valign="top" align="center">1.5</td>
</tr>
<tr>
<td valign="top" align="left">Back wall backhand</td>
<td valign="top" align="center">1.8<sup>a</sup></td>
<td valign="top" align="center">1.3</td>
<td valign="top" align="center">1.1<sup>a</sup></td>
<td valign="top" align="center">&#x2212;1.3</td>
<td valign="top" align="center">7.1<sup>a</sup></td>
<td valign="top" align="center">1.4</td>
<td valign="top" align="center">5.0<sup>a</sup></td>
<td valign="top" align="center">&#x2212;1.4</td>
<td valign="top" align="center">3.6<sup>a</sup></td>
<td valign="top" align="center">0.7</td>
<td valign="top" align="center">3.1<sup>a</sup></td>
<td valign="top" align="center">&#x2212;0.7</td>
</tr>
<tr>
<td valign="top" align="left">Out of the court</td>
<td valign="top" align="center">0.5<sup>a</sup></td>
<td valign="top" align="center">&#x2212;1.4</td>
<td valign="top" align="center">1.1<sup>a</sup></td>
<td valign="top" align="center">1.4</td>
<td valign="top" align="center">1.5<sup>a</sup></td>
<td valign="top" align="center">0.3</td>
<td valign="top" align="center">1.3<sup>a</sup></td>
<td valign="top" align="center">&#x2212;0.3</td>
<td valign="top" align="center">0.1<sup>a</sup></td>
<td valign="top" align="center">1.0</td>
<td valign="top" align="center">0.0<sup>a</sup></td>
<td valign="top" align="center">&#x2212;1.0</td>
</tr>
<tr>
<td valign="top" align="left">Side wall forehand</td>
<td valign="top" align="center">0.0<sup>a</sup></td>
<td valign="top" align="center">&#x2212;1.0</td>
<td valign="top" align="center">0.1<sup>a</sup></td>
<td valign="top" align="center">1.0</td>
<td valign="top" align="center">4.0<sup>a</sup></td>
<td valign="top" align="center">1.2</td>
<td valign="top" align="center">2.7<sup>a</sup></td>
<td valign="top" align="center">&#x2212;1.2</td>
<td valign="top" align="center">1.0<sup>a</sup></td>
<td valign="top" align="center">1.2</td>
<td valign="top" align="center">0.5<sup>a</sup></td>
<td valign="top" align="center">&#x2212;1.2</td>
</tr>
<tr>
<td valign="top" align="left">Side wall backhand</td>
<td valign="top" align="center">0.0<sup>a</sup></td>
<td valign="top" align="center">&#x2212;1.0</td>
<td valign="top" align="center">0.1<sup>a</sup></td>
<td valign="top" align="center">1.0</td>
<td valign="top" align="center">3.3<sup>a</sup></td>
<td valign="top" align="center">&#x2212;2.4</td>
<td valign="top" align="center">6.5<sup>b</sup></td>
<td valign="top" align="center"><bold>2</bold><bold>.</bold><bold>4</bold></td>
<td valign="top" align="center">0.8<sup>a</sup></td>
<td valign="top" align="center">1.7</td>
<td valign="top" align="center">0.2<sup>a</sup></td>
<td valign="top" align="center">&#x2212;1.7</td>
</tr>
<tr>
<td valign="top" align="left">Double wall forehand</td>
<td valign="top" align="center">0.7<sup>a</sup></td>
<td valign="top" align="center">0.0</td>
<td valign="top" align="center">0.7<sup>a</sup></td>
<td valign="top" align="center">0.0</td>
<td valign="top" align="center">6.7<sup>a</sup></td>
<td valign="top" align="center">&#x2212;0.1</td>
<td valign="top" align="center">6.9<sup>a</sup></td>
<td valign="top" align="center">0.1</td>
<td valign="top" align="center">0.5<sup>a</sup></td>
<td valign="top" align="center">&#x2212;1.1</td>
<td valign="top" align="center">0.9<sup>a</sup></td>
<td valign="top" align="center">1.1</td>
</tr>
<tr>
<td valign="top" align="left">Double wall backhand</td>
<td valign="top" align="center">0.4<sup>a</sup></td>
<td valign="top" align="center">&#x2212;1.2</td>
<td valign="top" align="center">0.8<sup>a</sup></td>
<td valign="top" align="center">1.2</td>
<td valign="top" align="center">6.5<sup>a</sup></td>
<td valign="top" align="center">&#x2212;0.2</td>
<td valign="top" align="center">6.9<sup>a</sup></td>
<td valign="top" align="center">0.2</td>
<td valign="top" align="center">1.8<sup>a</sup></td>
<td valign="top" align="center">1.1</td>
<td valign="top" align="center">1.2<sup>a</sup></td>
<td valign="top" align="center">&#x2212;1.1</td>
</tr>
<tr>
<td valign="top" align="left"/>
<td valign="top" align="left">Recovery smash</td>
<td valign="top" align="center">2.4<sup>a</sup></td>
<td valign="top" align="center">&#x2212;1.0</td>
<td valign="top" align="center">3.2<sup>a</sup></td>
<td valign="top" align="center">1.0</td>
<td valign="top" align="center">0.8<sup>a</sup></td>
<td valign="top" align="center"><bold>2</bold><bold>.</bold><bold>0</bold></td>
<td valign="top" align="center">0.0<sup>b</sup></td>
<td valign="top" align="center">&#x2212;2.0</td>
<td valign="top" align="center">0.2<sup>a</sup></td>
<td valign="top" align="center">1.4</td>
<td valign="top" align="center">0.0<sup>a</sup></td>
<td valign="top" align="center">&#x2212;1.4</td>
</tr>
<tr>
<td valign="top" align="left" rowspan="3">Other</td>
<td valign="top" align="left">Contrapared</td>
<td valign="top" align="center">0.1<sup>a</sup></td>
<td valign="top" align="center">1.0</td>
<td valign="top" align="center">0.0<sup>a</sup></td>
<td valign="top" align="center">&#x2212;1.0</td>
<td valign="top" align="center">7.7<sup>a</sup></td>
<td valign="top" align="center">&#x2212;0.3</td>
<td valign="top" align="center">8.2<sup>a</sup></td>
<td valign="top" align="center">0.3</td>
<td valign="top" align="center">0.7<sup>a</sup></td>
<td valign="top" align="center">0.4</td>
<td valign="top" align="center">0.5<sup>a</sup></td>
<td valign="top" align="center">&#x2212;0.4</td>
</tr>
<tr>
<td valign="top" align="left">Serve</td>
<td valign="top" align="center">1.0<sup>a</sup></td>
<td valign="top" align="center">&#x2212;0.2</td>
<td valign="top" align="center">1.1<sup>a</sup></td>
<td valign="top" align="center">0.2</td>
<td valign="top" align="center"/>
<td valign="top" align="center"/>
<td valign="top" align="center"/>
<td valign="top" align="center"/>
<td valign="top" align="center"/>
<td valign="top" align="center"/>
<td valign="top" align="center"/>
<td valign="top" align="center"/>
</tr>
<tr>
<td valign="top" align="left">Return</td>
<td valign="top" align="center">1.4<sup>a</sup></td>
<td valign="top" align="center">&#x2212;0.4</td>
<td valign="top" align="center">1.7<sup>a</sup></td>
<td valign="top" align="center">0.4</td>
<td valign="top" align="center">6.2<sup>a</sup></td>
<td valign="top" align="center"><bold>2</bold><bold>.</bold><bold>6</bold></td>
<td valign="top" align="center">2.9<sup>b</sup></td>
<td valign="top" align="center">&#x2212;2.6</td>
<td valign="top" align="center">16.5<sup>a</sup></td>
<td valign="top" align="center">1.0</td>
<td valign="top" align="center">14.7<sup>a</sup></td>
<td valign="top" align="center">&#x2212;1.0</td>
</tr>
</tbody>
</table>
<table-wrap-foot>
<fn id="table-fn7"><p>P, pressure training; C, competition; n, number;&#x0025;, percentage; CSR, corrected standard residuals; CSR&#x2009;&#x003E;&#x2009;1.96, bold.</p></fn>
<fn id="table-fn8"><label><sup>a,b</sup></label>
<p>Indicate significant differences in the <italic>Z</italic> tests for comparison of column proportions from <italic>p</italic>&#x2009;&#x003C;&#x2009;0.05 adjusted according to Bonferroni.</p></fn>
</table-wrap-foot>
</table-wrap>
<p>As shown in <xref ref-type="table" rid="T4">Table&#x00A0;4</xref>, no significant differences were observed in winners. Regarding forced errors, a higher proportion is committed in pressure training matches with the recovery smash (CSR&#x2009;&#x003D;&#x2009;2.0) and return (CSR&#x2009;&#x003D;&#x2009;2.6); whereas a higher proportion is committed in competition matches with the backhand (CSR&#x2009;&#x003D;&#x2009;2.1) and side wall backhand (CSR&#x2009;&#x003D;&#x2009;2.4). Regarding unforced errors, a higher proportion is committed in pressure training with the bandeja (CSR&#x2009;&#x003D;&#x2009;2.3).</p>
</sec>
<sec id="s4" sec-type="discussion"><title>Discussion</title>
<p>The aim of the present study was to analyze the differences between pressure training and competition matches in high-level male padel players from Finland, focusing on the proportion of points won by serving and returning players, the frequency of break and golden points, and the effectiveness of the last shot.</p>
<p>Our findings revealed that points in both pressure training and competitive matches were most often concluded with unforced errors, followed by winners and forced errors. This distribution may be attributed to the players&#x0027; proficiency level. While the prevalence of unforced errors among non-elite players has been noted previously, this study is among the first to examine the effectiveness of the last shot in high-level players who are not part of the elite cohort. In men&#x0027;s professional padel, previous studies have shown varied results, with winners serving as the primary point-concluding action in some tournaments (<xref ref-type="bibr" rid="B23">23</xref>, <xref ref-type="bibr" rid="B29">29</xref>), while in others, unforced errors or a combination of forced and unforced errors dominate (<xref ref-type="bibr" rid="B24">24</xref>, <xref ref-type="bibr" rid="B30">30</xref>). It is worth noting that earlier studies, such as Mellado Arbelo et al. (<xref ref-type="bibr" rid="B24">24</xref>), analyzed a limited dataset (1,060 points from 2014), and the game has likely evolved since then. Similarly, the research by Escudero-Tena et al. (<xref ref-type="bibr" rid="B30">30</xref>) did not differentiate between forced and unforced errors. If such a distinction had been made, winners might have emerged as the leading mechanism for concluding points, as suggested by their reported values (38.5&#x0025;&#x2013;44.2&#x0025;, depending on the moment: non-key moment, key moment, golden point). These findings emphasize the importance of minimizing unforced errors, which remain a key performance indicator at the professional level (<xref ref-type="bibr" rid="B37">37</xref>).</p>
<p>The potential differences in the duration of pressure training and official matches may influence technical-tactical performance. While both scenarios replicate high-level gameplay, variations in match lengths could affect players&#x0027; fatigue and decision-making patterns, potentially altering the comparability of performance metrics. Future studies should standardize match durations or incorporate them as covariates to better isolate performance differences between scenarios.</p>
<p>When serving, winners were the primary mechanism for concluding points in both match scenarios, followed by unforced and forced errors. This aligns with the tactical advantage of serving, which allows players to secure net dominance early in the rally (<xref ref-type="bibr" rid="B38">38</xref>). Approximately 80&#x0025; of points at the professional level are won at the net (<xref ref-type="bibr" rid="B39">39</xref>), where serving pairs often control play and conclude points with winner shots (<xref ref-type="bibr" rid="B40">40</xref>). Conversely, when returning, unforced errors were the most common mechanism for point conclusion, followed by forced errors and winners. This disparity could reflect Finland&#x0027;s relatively recent adoption of padel and the influence of players transitioning from tennis, who may struggle to integrate wall use effectively. Furthermore, professional-level padel demonstrates a similar trend, where returning players frequently fail to dominate the net, and errors&#x2014;rather than winners&#x2014;tend to conclude the point (<xref ref-type="bibr" rid="B40">40</xref>).</p>
<p>Critical score situations, such as break points and golden points, play a pivotal role in padel, as they can significantly influence match outcomes (<xref ref-type="bibr" rid="B41">41</xref>, <xref ref-type="bibr" rid="B42">42</xref>). Break points and golden points provide returning pairs with the opportunity to disrupt the server&#x0027;s advantage, making them high-pressure and often decisive moments. To secure a set, a pair must achieve at least one more service break than their opponents; otherwise, a tiebreak ensues at six games all, requiring at least one additional &#x201C;mini-break&#x201D; of serve. In this study, the frequency of break points, non-break points, golden points, and non-golden points was consistent across both pressure training and competition matches. This finding suggests that padel athletes may encounter comparable high-pressure scenarios in pressure training matches as they do in official competition.</p>
<p>Regarding shot types and their effectiveness, both similarities and differences were observed between pressure training and competitive matches. Smashes and recovery smashes were the primary mechanisms for winners in both contexts, highlighting their offensive importance and aligning with previous research on men&#x0027;s professional padel (<xref ref-type="bibr" rid="B23">23</xref>, <xref ref-type="bibr" rid="B43">43</xref>). For forced errors, shots executed after one bounce (e.g., forehand, backhand, back wall, side wall, or double wall) were most common in both match types. However, forced errors were more frequent in pressure training with recovery smashes and returns, while competitive matches exhibited more forced errors with backhands and side wall backhands. In terms of unforced errors, volleys, bandejas, and returns were the most error-prone shots in both scenarios. Notably, unforced errors with the bandeja were more frequent during pressure training. Recent research in men&#x0027;s professional padel supports this finding, indicating that the bandeja often results in unforced errors at the conclusion of a point (<xref ref-type="bibr" rid="B43">43</xref>).</p>
<p>The findings of this study should be interpreted in light of the role that psychological factors, such as mental fatigue, sleep quality, and mental strength, play in shaping performance during high-pressure situations. Evidence from D&#x00ED;az-Garc&#x00ED;a et al. and Habay et al. (<xref ref-type="bibr" rid="B44">44</xref>, <xref ref-type="bibr" rid="B45">45</xref>) highlight the critical influence of mental fatigue on decision-making and motor performance. In addition, the impact of sleep and psychological resilience on recovery and consistency has been well documented in competitive sports (<xref ref-type="bibr" rid="B46">46</xref>&#x2013;<xref ref-type="bibr" rid="B49">49</xref>). Although these aspects were not directly measured, their potential effects warrant consideration and underline the need for future research to integrate psychological assessments. Such data would complement the technical-tactical analysis, offering a more holistic understanding of player performance under competitive and training conditions.</p>
</sec>
<sec id="s5"><title>Strengths, limitations and future studies</title>
<p>This study offers several notable strengths. First, it is among the pioneering efforts to explore pressure training in the context of padel. Second, it is the first study to analyze differences between pressure training and official competition matches concerning technical-tactical parameters. Third, the practical implications of these findings are highly relevant for coaches and sport psychologists, providing valuable insights for the design of effective pressure training programs tailored to athletes&#x0027; needs.</p>
<p>Nevertheless, certain limitations must be acknowledged. This study did not include psychological measures, such as assessments of players&#x0027; mental fatigue or psychological states, which could have provided additional context for comparing pressure training and competitive matches. Additionally, not all players participated in both training and competition scenarios, which may have introduced variability. Another one is the variability in the duration of training and official matches. Although the analysis focused on a comparable dataset of points, longer or shorter matches may introduce differences in fatigue levels and strategic adjustments that were not accounted for in this study. Standardized durations in future research could enhance the validity of such comparisons. This study did not collect psychological data, such as mental fatigue, sleep quality, or mental strength, which may interact with technical-tactical performance variables. Future research should include these measures to better understand their influence on players&#x0027; abilities to replicate competition scenarios during pressure training.</p>
<p>For future research, employing randomized controlled trials across both genders would enhance the rigor and accuracy of evaluating the impact of pressure training. Expanding the participant pool to include elite, high-level, and amateur players would also allow for a more comprehensive understanding of pressure training&#x0027;s effectiveness across various skill levels and demographics. Incorporating psychological assessments and exploring their interaction with technical-tactical parameters could further enrich the findings, offering a more holistic perspective on the demands of pressure training in padel.</p>
</sec>
<sec id="s6" sec-type="conclusions"><title>Conclusion</title>
<p>The technical-tactical performance of high-level padel players remains stable across both pressure training matches and competition matches. This stability is observed in the frequency of winners, forced errors and unforced errors, as well as the occurrence of break points, non-break points, golden points and non-golden points, regardless of whether players are serving or returning. Although minor differences in forced errors were noted, the overall shot effectiveness remained comparable. Based on these findings, it is recommended that coaches incorporate pressure training matches into their players&#x0027; training regimens, as they closely replicate real competition scenarios.</p>
</sec>
</body>
<back>
<sec id="s7" sec-type="data-availability"><title>Data availability statement</title>
<p>The raw data supporting the conclusions of this article will be made available by the authors, without undue reservation.</p>
</sec>
<sec id="s8" sec-type="ethics-statement"><title>Ethics statement</title>
<p>The studies involving humans were approved by Ethics Committee for Research of the European University of Madrid. The studies were conducted in accordance with the local legislation and institutional requirements. The participants provided their written informed consent to participate in this study.</p>
</sec>
<sec id="s9" sec-type="author-contributions"><title>Author contributions</title>
<p>RC-R: Conceptualization, Investigation, Writing &#x2013; original draft, Writing &#x2013; review &#x0026; editing. AE-T: Conceptualization, Formal Analysis, Investigation, Methodology, Software, Writing &#x2013; original draft, Writing &#x2013; review &#x0026; editing. VC-S: Conceptualization, Investigation, Validation, Writing &#x2013; original draft, Writing &#x2013; review &#x0026; editing. EN: Conceptualization, Investigation, Methodology, Software, Writing &#x2013; original draft, Writing &#x2013; review &#x0026; editing. &#x00C1;B-S: Conceptualization, Data curation, Formal Analysis, Funding acquisition, Investigation, Methodology, Project administration, Resources, Software, Supervision, Validation, Visualization, Writing &#x2013; original draft, Writing &#x2013; review &#x0026; editing.</p>
</sec>
<sec id="s10" sec-type="funding-information"><title>Funding</title>
<p>The author(s) declare financial support was received for the research, authorship, and/or publication of this article. This study has been financed by the Universidad Europea de Madrid, through an internal competitive project with code CIPI/22.303.</p>
</sec>
<sec id="s11" sec-type="COI-statement"><title>Conflict of interest</title>
<p>The authors declare that the research was conducted in the absence of any commercial or financial relationships that could be construed as a potential conflict of interest.</p>
</sec>
<sec id="s71" sec-type="ai-statement"><title>Generative AI statement</title>
<p>The author(s) declare that no Generative AI was used in the creation of this manuscript.</p>
</sec>
<sec id="s12" sec-type="disclaimer"><title>Publisher&#x0027;s note</title>
<p>All claims expressed in this article are solely those of the authors and do not necessarily represent those of their affiliated organizations, or those of the publisher, the editors and the reviewers. Any product that may be evaluated in this article, or claim that may be made by its manufacturer, is not guaranteed or endorsed by the publisher.</p>
</sec>
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