![Tennis - Shanghai Masters tennis tournament - Shanghai, China - 14/10/16. Jack Sock of U.S. falls during his match against Gilles Simon of France. REUTERS/Aly Song Stock Photo - Alamy Tennis - Shanghai Masters tennis tournament - Shanghai, China - 14/10/16. Jack Sock of U.S. falls during his match against Gilles Simon of France. REUTERS/Aly Song Stock Photo - Alamy](https://c8.alamy.com/comp/2CP2WNB/tennis-shanghai-masters-tennis-tournament-shanghai-china-141016-jack-sock-of-us-falls-during-his-match-against-gilles-simon-of-france-reutersaly-song-2CP2WNB.jpg)
Tennis - Shanghai Masters tennis tournament - Shanghai, China - 14/10/16. Jack Sock of U.S. falls during his match against Gilles Simon of France. REUTERS/Aly Song Stock Photo - Alamy
![Tennis - Shanghai Masters tennis tournament - Shanghai, China - 10/10/16. Joao Sousa of Portugal plays against his compatriot Benoit Paire of France. REUTERS/Aly Song Stock Photo - Alamy Tennis - Shanghai Masters tennis tournament - Shanghai, China - 10/10/16. Joao Sousa of Portugal plays against his compatriot Benoit Paire of France. REUTERS/Aly Song Stock Photo - Alamy](https://c8.alamy.com/comp/2E6F8BC/tennis-shanghai-masters-tennis-tournament-shanghai-china-101016-joao-sousa-of-portugal-plays-against-his-compatriot-benoit-paire-of-france-reutersaly-song-2E6F8BC.jpg)
Tennis - Shanghai Masters tennis tournament - Shanghai, China - 10/10/16. Joao Sousa of Portugal plays against his compatriot Benoit Paire of France. REUTERS/Aly Song Stock Photo - Alamy
![Tennis - Shanghai Masters tennis tournament - Shanghai, China - 14/10/16. Jo-Wilfried Tsonga of France plays against Roberto Bautista Agut of Spain. REUTERS/Aly Song Stock Photo - Alamy Tennis - Shanghai Masters tennis tournament - Shanghai, China - 14/10/16. Jo-Wilfried Tsonga of France plays against Roberto Bautista Agut of Spain. REUTERS/Aly Song Stock Photo - Alamy](https://c8.alamy.com/comp/2E6GGR9/tennis-shanghai-masters-tennis-tournament-shanghai-china-141016-jo-wilfried-tsonga-of-france-plays-against-roberto-bautista-agut-of-spain-reutersaly-song-2E6GGR9.jpg)
Tennis - Shanghai Masters tennis tournament - Shanghai, China - 14/10/16. Jo-Wilfried Tsonga of France plays against Roberto Bautista Agut of Spain. REUTERS/Aly Song Stock Photo - Alamy
![Tennis - Shanghai Masters tennis tournament - Shanghai, China - 14/10/16. Mischa Zverev of Germany plays against Novak Djokovic of Serbia. REUTERS/Aly Song Stock Photo - Alamy Tennis - Shanghai Masters tennis tournament - Shanghai, China - 14/10/16. Mischa Zverev of Germany plays against Novak Djokovic of Serbia. REUTERS/Aly Song Stock Photo - Alamy](https://c8.alamy.com/comp/2CJR7J1/tennis-shanghai-masters-tennis-tournament-shanghai-china-141016-mischa-zverev-of-germany-plays-against-novak-djokovic-of-serbia-reutersaly-song-2CJR7J1.jpg)