Journal of Sports Science and Medicine
Journal of Sports Science and Medicine
ISSN: 1303 - 2968   
Ios-APP Journal of Sports Science and Medicine
Androit-APP Journal of Sports Science and Medicine
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©Journal of Sports Science and Medicine (2012) 11, 270 - 278

Research article
Retired Matches Among Male Professional Tennis Players
Kristijan Breznik1, , Vladimir Batagelj2 
Author Information
1 International School for Social and Business Studies, Celje, Slovenia
2 Faculty of Mathematics and Physics, University of Ljubljana, Slovenia

Kristijan Breznik
‚úČ International School for Social and Business Studies, Mariborska 7, SI-3000 Celje, Slovenia
Email: kristijan.breznik@mfdps.si
Publish Date
Received: 10-10-2011
Accepted: 21-02-2012
Published (online): 01-06-2012
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ABSTRACT

The aim of this study was to explore the effect of characteristics of various games and players on the proportion of retired tennis matches in the Open Era of tennis. The data included over 420,000 matches played among 17,553 tennis players in the period from 1968 to the end of 2010. The influence of the surface type was clearly confirmed, with the proportion of retired matches being higher on hard and clay courts compared to grass and carpet surfaces. Similarly, more retired matches were observed in outdoor venues than in indoor ones. The impact of other variables, tournament types, rounds at which the game was played and both players' ranks, is more ambiguous. Our interpretation of the obtained results is presented in the paper. Network analytic methods were applied to extract players with the most retired matches in their careers. Eventually, we defined a group of top tennis players and gave a more precise insight into retired matches in that group. Correspondence analysis was used to visually display the two-mode network of top players and the proportion of retired matches by surface type.

Key words: Tennis surface, individual sport, network analysis


           Key Points
  • The proportion of retired matches among professional tennis players has been increasing recently.
  • Clay and hard courts are the most risky surfaces in relation to retired matches, particularly if the match is played at an outdoor venue.
  • The difference in rankings of both players is proportional to the number/proportion of retired matches in professional tennis.
  • Network analytic techniques could serve as an effective method to ascertain (a) group(s) of tennis players with the highest number of retired matches played among them.
 
 
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