![Stuttgart, Germany. 14th June, 2017. Switzerland's Roger Federer serves during a 2nd round match of Mercedes Cup tennis tournament with Germany's Tommy Haas in Stuttgart, Germany, on June 14, 2017. Roger Federer Stuttgart, Germany. 14th June, 2017. Switzerland's Roger Federer serves during a 2nd round match of Mercedes Cup tennis tournament with Germany's Tommy Haas in Stuttgart, Germany, on June 14, 2017. Roger Federer](https://c8.alamy.com/comp/JC9054/stuttgart-germany-14th-june-2017-switzerlands-roger-federer-serves-JC9054.jpg)
Stuttgart, Germany. 14th June, 2017. Switzerland's Roger Federer serves during a 2nd round match of Mercedes Cup tennis tournament with Germany's Tommy Haas in Stuttgart, Germany, on June 14, 2017. Roger Federer
![Stuttgart, Germany. 11th June, 2017. Roger Federer from Switzerland during a training session for the Mercedes Cup in Stuttgart, Germany, 11 June 2017. Photo: Daniel Maurer/dpa/Alamy Live News Stock Photo - Alamy Stuttgart, Germany. 11th June, 2017. Roger Federer from Switzerland during a training session for the Mercedes Cup in Stuttgart, Germany, 11 June 2017. Photo: Daniel Maurer/dpa/Alamy Live News Stock Photo - Alamy](https://c8.alamy.com/comp/JBHM2Y/stuttgart-germany-11th-june-2017-roger-federer-from-switzerland-during-JBHM2Y.jpg)
Stuttgart, Germany. 11th June, 2017. Roger Federer from Switzerland during a training session for the Mercedes Cup in Stuttgart, Germany, 11 June 2017. Photo: Daniel Maurer/dpa/Alamy Live News Stock Photo - Alamy
![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
![Live Tennis on Twitter: "✓ Halle 2017 ✓ Wimbledon 2017 ✓ Stuttgart 2018 Roger #Federer brings a 17-match grass-court winning streak into today's clash with Benoit #Paire >>> https://t.co/kOljmegCUv https://t.co/hN651yczkC" / Twitter Live Tennis on Twitter: "✓ Halle 2017 ✓ Wimbledon 2017 ✓ Stuttgart 2018 Roger #Federer brings a 17-match grass-court winning streak into today's clash with Benoit #Paire >>> https://t.co/kOljmegCUv https://t.co/hN651yczkC" / Twitter](https://pbs.twimg.com/media/DgJZyBTX4AEMv2i.jpg:large)
Live Tennis on Twitter: "✓ Halle 2017 ✓ Wimbledon 2017 ✓ Stuttgart 2018 Roger #Federer brings a 17-match grass-court winning streak into today's clash with Benoit #Paire >>> https://t.co/kOljmegCUv https://t.co/hN651yczkC" / Twitter
![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?quality=75&width=982&height=726&auto=webp)
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 auf Titeljagd in Stuttgart und Halle - live bei Eurosport und im Eurosport Player - Eurosport Roger Federer auf Titeljagd in Stuttgart und Halle - live bei Eurosport und im Eurosport Player - Eurosport](https://imgresizer.eurosport.com/unsafe/1200x0/filters:format(jpeg):focal(1344x297:1346x295)/origin-imgresizer.eurosport.com/2017/06/13/2105477-44104750-2560-1440.jpg)