![Andy Murray on Twitter: "@BrainGameTennis @TennisNerdsBlog Think this is slightly different thread to the first 4 shot discussion. My post above was in response to rally length increasing as tournament progresses and Andy Murray on Twitter: "@BrainGameTennis @TennisNerdsBlog Think this is slightly different thread to the first 4 shot discussion. My post above was in response to rally length increasing as tournament progresses and](https://pbs.twimg.com/media/E4ZW86mVkAM7wUX.jpg)
Andy Murray on Twitter: "@BrainGameTennis @TennisNerdsBlog Think this is slightly different thread to the first 4 shot discussion. My post above was in response to rally length increasing as tournament progresses and
![Full-length portrait of professional tennis player serving tennis ball isolated over court background. Match game Stock Photo - Alamy Full-length portrait of professional tennis player serving tennis ball isolated over court background. Match game Stock Photo - Alamy](https://c8.alamy.com/comp/2GY0P70/full-length-portrait-of-professional-tennis-player-serving-tennis-ball-isolated-over-court-background-match-game-2GY0P70.jpg)
Full-length portrait of professional tennis player serving tennis ball isolated over court background. Match game Stock Photo - Alamy
![Premium Photo | Full length portrait of young black sportswoman stretching while preparing for tennis match at indoo Premium Photo | Full length portrait of young black sportswoman stretching while preparing for tennis match at indoo](https://img.freepik.com/premium-photo/full-length-portrait-young-black-sportswoman-stretching-while-preparing-tennis-match-indoo_236854-39324.jpg?w=2000)
Premium Photo | Full length portrait of young black sportswoman stretching while preparing for tennis match at indoo
![Get ready to be served. Full length image of a happy young woman ready to serve during her tennis match Stock Photo - Alamy Get ready to be served. Full length image of a happy young woman ready to serve during her tennis match Stock Photo - Alamy](https://c8.alamy.com/comp/2PJD8PE/get-ready-to-be-served-full-length-image-of-a-happy-young-woman-ready-to-serve-during-her-tennis-match-2PJD8PE.jpg)
Get ready to be served. Full length image of a happy young woman ready to serve during her tennis match Stock Photo - Alamy
![Match Point. Full Length Of Man And Woman Playing Tennis On Tennis Court Stock Photo, Picture And Royalty Free Image. Image 30273254. Match Point. Full Length Of Man And Woman Playing Tennis On Tennis Court Stock Photo, Picture And Royalty Free Image. Image 30273254.](https://previews.123rf.com/images/gstockstudio/gstockstudio1407/gstockstudio140700823/30273254-match-point-full-length-of-man-and-woman-playing-tennis-on-tennis-court.jpg)