![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:
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Roger Federer rolls back years to set up Halle final against Alexander Zverev | Aegon Championships 2017 | The Guardian
![Roger Federer's comeback cut short in Stuttgart as 18-time Grand Slam champion loses to veteran Tommy Haas | The Independent | The Independent Roger Federer's comeback cut short in Stuttgart as 18-time Grand Slam champion loses to veteran Tommy Haas | The Independent | The Independent](https://static.independent.co.uk/s3fs-public/thumbnails/image/2017/06/14/18/roger-federer-stuttgart.jpg)
Roger Federer's comeback cut short in Stuttgart as 18-time Grand Slam champion loses to veteran Tommy Haas | The Independent | The Independent
![Halle, Germany. 25th June, 2017. Roger Federer from Switzerland poses with his trophy after winning his final match against Alexander Zverev from Germany at the Gerry Weber Open tennis tournament in Halle, Halle, Germany. 25th June, 2017. Roger Federer from Switzerland poses with his trophy after winning his final match against Alexander Zverev from Germany at the Gerry Weber Open tennis tournament in Halle,](https://c8.alamy.com/comp/JEGR02/halle-germany-25th-june-2017-roger-federer-from-switzerland-poses-JEGR02.jpg)
Halle, Germany. 25th June, 2017. Roger Federer from Switzerland poses with his trophy after winning his final match against Alexander Zverev from Germany at the Gerry Weber Open tennis tournament in Halle,
![Roger Federer beats Zverev to win ninth Halle title | Gerry Weber Open Halle 2017 Final Highlights - YouTube Roger Federer beats Zverev to win ninth Halle title | Gerry Weber Open Halle 2017 Final Highlights - YouTube](https://i.ytimg.com/vi/EnVvmJZCOMQ/maxresdefault.jpg)