![Halle, Germany. 23rd June, 2017. Swiss tennis player Roger Federer during the ATP tennis tournament men's singles quarter final match against Florian Mayer from Germany in Halle, Germany, 23 June 2017. Photo: Halle, Germany. 23rd June, 2017. Swiss tennis player Roger Federer during the ATP tennis tournament men's singles quarter final match against Florian Mayer from Germany in Halle, Germany, 23 June 2017. Photo:](https://c8.alamy.com/comp/JE8684/halle-germany-23rd-june-2017-swiss-tennis-player-roger-federer-during-JE8684.jpg)
Halle, Germany. 23rd June, 2017. Swiss tennis player Roger Federer during the ATP tennis tournament men's singles quarter final match against Florian Mayer from Germany in Halle, Germany, 23 June 2017. Photo:
![Halle, Germany. 23rd June, 2017. Roger Federer of Switzerland returns the ball during the men's singles quarterfinal match against Florian Mayer of Germany in the Gerry Weber Open 2017 in Halle, Germany, Halle, Germany. 23rd June, 2017. Roger Federer of Switzerland returns the ball during the men's singles quarterfinal match against Florian Mayer of Germany in the Gerry Weber Open 2017 in Halle, Germany,](https://c8.alamy.com/comp/JEDB3J/halle-germany-23rd-june-2017-roger-federer-of-switzerland-returns-JEDB3J.jpg)
Halle, Germany. 23rd June, 2017. Roger Federer of Switzerland returns the ball during the men's singles quarterfinal match against Florian Mayer of Germany in the Gerry Weber Open 2017 in Halle, Germany,
![Halle, Germany. 25th June, 2017. Switzerland's Roger Federer (R) and Germany's Alexander Zverev stand with their trophies next to model Eva Herzigova after the ATP tennis tournament men's singles final match in Halle, Germany. 25th June, 2017. Switzerland's Roger Federer (R) and Germany's Alexander Zverev stand with their trophies next to model Eva Herzigova after the ATP tennis tournament men's singles final match in](https://c8.alamy.com/comp/JEGP9J/halle-germany-25th-june-2017-switzerlands-roger-federer-r-and-germanys-JEGP9J.jpg)