![Germany's Alexander Zverev reacts during the ATP tennis tournament men's singles semi-final match..., Stock Photo, Picture And Rights Managed Image. Pic. PAH-170624-99-981244-DPAI | agefotostock Germany's Alexander Zverev reacts during the ATP tennis tournament men's singles semi-final match..., Stock Photo, Picture And Rights Managed Image. Pic. PAH-170624-99-981244-DPAI | agefotostock](https://previews.agefotostock.com/previewimage/medibigoff/fc68cd50f6e6bb90d37180f65102a911/pah-170624-99-981244-dpai.jpg)
Germany's Alexander Zverev reacts during the ATP tennis tournament men's singles semi-final match..., Stock Photo, Picture And Rights Managed Image. Pic. PAH-170624-99-981244-DPAI | agefotostock
![Tommy Haas Shocks Roger Federer In Stuttgart, Hands Swiss Star Second Loss of Season | ATP Tour | Tennis Tommy Haas Shocks Roger Federer In Stuttgart, Hands Swiss Star Second Loss of Season | ATP Tour | Tennis](http://www.atptour.com/-/media/images/news/2017/06/14/17/20/federer-haas-stuttgart-2017-wednesday-embrace2.jpg)
Tommy Haas Shocks Roger Federer In Stuttgart, Hands Swiss Star Second Loss of Season | ATP Tour | Tennis
![Norwegian tennis player Caspar Ruud in action against Kohlschreiber from Germany in the men's..., Stock Photo, Picture And Rights Managed Image. Pic. PAH-90333808 | agefotostock Norwegian tennis player Caspar Ruud in action against Kohlschreiber from Germany in the men's..., Stock Photo, Picture And Rights Managed Image. Pic. PAH-90333808 | agefotostock](https://previews.agefotostock.com/previewimage/medibigoff/938cfc9f5969c18065b0f50e8e6add73/pah-90333808.jpg)
Norwegian tennis player Caspar Ruud in action against Kohlschreiber from Germany in the men's..., Stock Photo, Picture And Rights Managed Image. Pic. PAH-90333808 | agefotostock
![Halle, Germany. 23rd June, 2017. Russian tennis player Andrey Rublev in action during the ATP tennis tournament men's singles quarter final match against his compatriot Khachanov in Halle, Germany, 23 June 2017. Halle, Germany. 23rd June, 2017. Russian tennis player Andrey Rublev in action during the ATP tennis tournament men's singles quarter final match against his compatriot Khachanov in Halle, Germany, 23 June 2017.](https://c8.alamy.com/comp/JE83M8/halle-germany-23rd-june-2017-russian-tennis-player-andrey-rublev-in-JE83M8.jpg)
Halle, Germany. 23rd June, 2017. Russian tennis player Andrey Rublev in action during the ATP tennis tournament men's singles quarter final match against his compatriot Khachanov in Halle, Germany, 23 June 2017.
![Hamburg, Germany. 26th July, 2017. Andrey Kuznetsov of Russia in action against F. Mayer of Germany in the men's single at the Tennis ATP-Tour German Open in Hamburg, Germany, 26 July 2017. Hamburg, Germany. 26th July, 2017. Andrey Kuznetsov of Russia in action against F. Mayer of Germany in the men's single at the Tennis ATP-Tour German Open in Hamburg, Germany, 26 July 2017.](https://c8.alamy.com/comp/JMAJAJ/hamburg-germany-26th-july-2017-andrey-kuznetsov-of-russia-in-action-JMAJAJ.jpg)
Hamburg, Germany. 26th July, 2017. Andrey Kuznetsov of Russia in action against F. Mayer of Germany in the men's single at the Tennis ATP-Tour German Open in Hamburg, Germany, 26 July 2017.
![Alexander Zverev of Germany gestures during the men's final match against Guido Pella of Argentina at the ATP tennis tournament in Munich, Germany, Sunday, May 7, 2017. (AP Photo/Matthias Schrader Stock Photo - Alexander Zverev of Germany gestures during the men's final match against Guido Pella of Argentina at the ATP tennis tournament in Munich, Germany, Sunday, May 7, 2017. (AP Photo/Matthias Schrader Stock Photo -](https://c8.alamy.com/comp/2MTWFEC/alexander-zverev-of-germany-gestures-during-the-mens-final-match-against-guido-pella-of-argentina-at-the-atp-tennis-tournament-in-munich-germany-sunday-may-7-2017-ap-photomatthias-schrader-2MTWFEC.jpg)
Alexander Zverev of Germany gestures during the men's final match against Guido Pella of Argentina at the ATP tennis tournament in Munich, Germany, Sunday, May 7, 2017. (AP Photo/Matthias Schrader Stock Photo -
![Hamburg, Germany. 30th July, 2017. Leonardo Mayer of Argentina celebrates his victory over Mayer of Germany with his trophy in the men's singles final of the Tennis ATP-Tour German Open in Hamburg, Hamburg, Germany. 30th July, 2017. Leonardo Mayer of Argentina celebrates his victory over Mayer of Germany with his trophy in the men's singles final of the Tennis ATP-Tour German Open in Hamburg,](https://c8.alamy.com/comp/JNEP1K/hamburg-germany-30th-july-2017-leonardo-mayer-of-argentina-celebrates-JNEP1K.jpg)
Hamburg, Germany. 30th July, 2017. Leonardo Mayer of Argentina celebrates his victory over Mayer of Germany with his trophy in the men's singles final of the Tennis ATP-Tour German Open in Hamburg,
![Hamburg, Germany. 25th July, 2017. Nicolas Kicker of Argentina playing against Tommy Haas of Germany in the first round of the men's singles at the Tennis ATP-Tour German Open in Hamburg, Germany, Hamburg, Germany. 25th July, 2017. Nicolas Kicker of Argentina playing against Tommy Haas of Germany in the first round of the men's singles at the Tennis ATP-Tour German Open in Hamburg, Germany,](https://c8.alamy.com/comp/JM22G7/hamburg-germany-25th-july-2017-nicolas-kicker-of-argentina-playing-JM22G7.jpg)
Hamburg, Germany. 25th July, 2017. Nicolas Kicker of Argentina playing against Tommy Haas of Germany in the first round of the men's singles at the Tennis ATP-Tour German Open in Hamburg, Germany,
![Munich, Germany. 02nd May, 2017. Norwegian tennis player Caspar Ruud in action against Kohlschreiber from Germany in the men's singles match at the ATP tour in Munich, Germany, 02 May 2017. Photo: Munich, Germany. 02nd May, 2017. Norwegian tennis player Caspar Ruud in action against Kohlschreiber from Germany in the men's singles match at the ATP tour in Munich, Germany, 02 May 2017. Photo:](https://c8.alamy.com/comp/J325EF/munich-germany-02nd-may-2017-norwegian-tennis-player-caspar-ruud-in-J325EF.jpg)