![Go Roger Federer on Twitter: "Roger Federer's first practice session on grass ahead of Stuttgart, Halle and Wimbledon. #KingOfGrass https://t.co/Nf1q0E10Kw" / Twitter Go Roger Federer on Twitter: "Roger Federer's first practice session on grass ahead of Stuttgart, Halle and Wimbledon. #KingOfGrass https://t.co/Nf1q0E10Kw" / Twitter](https://pbs.twimg.com/media/DCEV8tMUAAAVfZh.jpg)
Go Roger Federer on Twitter: "Roger Federer's first practice session on grass ahead of Stuttgart, Halle and Wimbledon. #KingOfGrass https://t.co/Nf1q0E10Kw" / Twitter
![Roger Federer rolls back years to set up Halle final against Alexander Zverev | Aegon Championships 2017 | The Guardian Roger Federer rolls back years to set up Halle final against Alexander Zverev | Aegon Championships 2017 | The Guardian](https://i.guim.co.uk/img/media/d9cbaf512d634405b54acaa3f114f1abfae25282/0_87_4172_2503/master/4172.jpg?width=1200&height=1200&quality=85&auto=format&fit=crop&s=86c738e839707bf415c5890b479305dd)
Roger Federer rolls back years to set up Halle final against Alexander Zverev | Aegon Championships 2017 | The Guardian
![ROGER FEDERER (SUI) Tennis - Gerry Weber Open - Halle / Westf. - ATP 500 - Gerry Weber Stadion - Germany - 2017 | Juergen Hasenkopf Photography ROGER FEDERER (SUI) Tennis - Gerry Weber Open - Halle / Westf. - ATP 500 - Gerry Weber Stadion - Germany - 2017 | Juergen Hasenkopf Photography](https://m.psecn.photoshelter.com/img-get2/I0000rtSUV8ybzVU/fit=1000x750/ROGER-FEDERER-20170625-49539.jpg)
ROGER FEDERER (SUI) Tennis - Gerry Weber Open - Halle / Westf. - ATP 500 - Gerry Weber Stadion - Germany - 2017 | Juergen Hasenkopf Photography
![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,
![Eight-time champion Federer eases into 13th Halle semi-final | The Guardian Nigeria News - Nigeria and World News — Sport — The Guardian Nigeria News – Nigeria and World News Eight-time champion Federer eases into 13th Halle semi-final | The Guardian Nigeria News - Nigeria and World News — Sport — The Guardian Nigeria News – Nigeria and World News](https://guardian.ng/wp-content/uploads/2017/06/000_PV28M.jpg)