![Halle, Germany. 20th June, 2015. Roger Federer of Switzerland during the semifinal match against Ivo Karlovic of Croatia in the ATP tennis tournament in Halle, Germany, 20 June 2015. Photo: MAJA HITIJ/dpa/Alamy Halle, Germany. 20th June, 2015. Roger Federer of Switzerland during the semifinal match against Ivo Karlovic of Croatia in the ATP tennis tournament in Halle, Germany, 20 June 2015. Photo: MAJA HITIJ/dpa/Alamy](https://c8.alamy.com/comp/EW8T0E/halle-germany-20th-june-2015-roger-federer-of-switzerland-during-the-EW8T0E.jpg)
Halle, Germany. 20th June, 2015. Roger Federer of Switzerland during the semifinal match against Ivo Karlovic of Croatia in the ATP tennis tournament in Halle, Germany, 20 June 2015. Photo: MAJA HITIJ/dpa/Alamy
![Dustin Brown (GER) Tennis - Gerry Weber Open - Halle / Westf. - ATP 500 - Gerry Weber Stadion - Germany - 2015 | Juergen Hasenkopf Photography Dustin Brown (GER) Tennis - Gerry Weber Open - Halle / Westf. - ATP 500 - Gerry Weber Stadion - Germany - 2015 | Juergen Hasenkopf Photography](https://m.psecn.photoshelter.com/img-get2/I00005je2.ph_M.w/fit=1000x750/Dustin-Brown-20150618-15194906.jpg)
Dustin Brown (GER) Tennis - Gerry Weber Open - Halle / Westf. - ATP 500 - Gerry Weber Stadion - Germany - 2015 | Juergen Hasenkopf Photography
![Jerzy Janowicz (POL) Tennis - Gerry Weber Open - Halle / Westf. - ATP 500 - Gerry Weber Stadion - Germany - 2015 | Juergen Hasenkopf Photography Jerzy Janowicz (POL) Tennis - Gerry Weber Open - Halle / Westf. - ATP 500 - Gerry Weber Stadion - Germany - 2015 | Juergen Hasenkopf Photography](https://m.psecn.photoshelter.com/img-get/I0000Slw17KUkUc4/s/1200/I0000Slw17KUkUc4.jpg)
Jerzy Janowicz (POL) Tennis - Gerry Weber Open - Halle / Westf. - ATP 500 - Gerry Weber Stadion - Germany - 2015 | Juergen Hasenkopf Photography
![Halle (Westfalen), Germany. 20th June, 2015. Roger Federer cheers during a match of the Gerry Weber Open semi-finals against Ivo Karlovic in Halle (Westfalen) on June 20, 2015. Credit: Miroslav Dakov/Alamy Live Halle (Westfalen), Germany. 20th June, 2015. Roger Federer cheers during a match of the Gerry Weber Open semi-finals against Ivo Karlovic in Halle (Westfalen) on June 20, 2015. Credit: Miroslav Dakov/Alamy Live](https://c8.alamy.com/comp/EW8RKC/halle-westfalen-germany-20th-june-2015-roger-federer-cheers-during-EW8RKC.jpg)
Halle (Westfalen), Germany. 20th June, 2015. Roger Federer cheers during a match of the Gerry Weber Open semi-finals against Ivo Karlovic in Halle (Westfalen) on June 20, 2015. Credit: Miroslav Dakov/Alamy Live
![Halle, Germany. 20th June, 2015. Roger Federer of Switzerland during the semifinal match against Ivo Karlovic of Croatia in the ATP tennis tournament in Halle, Germany, 20 June 2015. Photo: MAJA HITIJ/dpa/Alamy Halle, Germany. 20th June, 2015. Roger Federer of Switzerland during the semifinal match against Ivo Karlovic of Croatia in the ATP tennis tournament in Halle, Germany, 20 June 2015. Photo: MAJA HITIJ/dpa/Alamy](https://c8.alamy.com/comp/EW8T0N/halle-germany-20th-june-2015-roger-federer-of-switzerland-during-the-EW8T0N.jpg)
Halle, Germany. 20th June, 2015. Roger Federer of Switzerland during the semifinal match against Ivo Karlovic of Croatia in the ATP tennis tournament in Halle, Germany, 20 June 2015. Photo: MAJA HITIJ/dpa/Alamy
![Halle (Westfalen), Germany. 20th June, 2015. Roger Federer cheers during a match of the Gerry Weber Open semi-finals against Ivo Karlovic in Halle (Westfalen). Credit: Miroslav Dakov/Alamy Live News Stock Photo - Halle (Westfalen), Germany. 20th June, 2015. Roger Federer cheers during a match of the Gerry Weber Open semi-finals against Ivo Karlovic in Halle (Westfalen). Credit: Miroslav Dakov/Alamy Live News Stock Photo -](https://c8.alamy.com/comp/EW8RHR/halle-westfalen-germany-20th-june-2015-roger-federer-cheers-during-EW8RHR.jpg)
Halle (Westfalen), Germany. 20th June, 2015. Roger Federer cheers during a match of the Gerry Weber Open semi-finals against Ivo Karlovic in Halle (Westfalen). Credit: Miroslav Dakov/Alamy Live News Stock Photo -
![Halle, Germany. 17th June, 2015. Ivo Karlovic of Croatia in action during the round of 16 match against Alexander Zverev of Germany at the ATP tennis tournament in Halle, Germany, 17 June Halle, Germany. 17th June, 2015. Ivo Karlovic of Croatia in action during the round of 16 match against Alexander Zverev of Germany at the ATP tennis tournament in Halle, Germany, 17 June](https://c8.alamy.com/comp/EW3WBR/halle-germany-17th-june-2015-ivo-karlovic-of-croatia-in-action-during-EW3WBR.jpg)
Halle, Germany. 17th June, 2015. Ivo Karlovic of Croatia in action during the round of 16 match against Alexander Zverev of Germany at the ATP tennis tournament in Halle, Germany, 17 June
![Halle, Germany. 18th June, 2015. Gael Monfils of France in action in the round of 16 match against Mikhail Kukushkin of Kazakhstan during the ATP tennis tournament in Halle, Germany, 18 June Halle, Germany. 18th June, 2015. Gael Monfils of France in action in the round of 16 match against Mikhail Kukushkin of Kazakhstan during the ATP tennis tournament in Halle, Germany, 18 June](https://c8.alamy.com/comp/EW7635/halle-germany-18th-june-2015-gael-monfils-of-france-in-action-in-the-EW7635.jpg)
Halle, Germany. 18th June, 2015. Gael Monfils of France in action in the round of 16 match against Mikhail Kukushkin of Kazakhstan during the ATP tennis tournament in Halle, Germany, 18 June
![Halle, Germany. 18th June, 2015. Alejandro Falla of Colombia in action in the round of 16 match against Janowicz of Poland during the ATP tennis tournament in Halle, Germany, 18 June 2015. Halle, Germany. 18th June, 2015. Alejandro Falla of Colombia in action in the round of 16 match against Janowicz of Poland during the ATP tennis tournament in Halle, Germany, 18 June 2015.](https://c8.alamy.com/comp/EW6GND/halle-germany-18th-june-2015-andreas-seppi-of-italy-in-action-during-EW6GND.jpg)
Halle, Germany. 18th June, 2015. Alejandro Falla of Colombia in action in the round of 16 match against Janowicz of Poland during the ATP tennis tournament in Halle, Germany, 18 June 2015.
TENNIS on X: "Eight-time Halle champion Roger Federer continues his grass season campaign tomorrow vs. Rendy Lu. Week in Preview: https://t.co/2RE0tiAjEq https://t.co/zEk4BU9mvR" / X
![Halle, Germany. 17th June, 2015. Roger Federer of Switzerland in action during the round of 16 match against Gulbis of Latvia at the ATP tennis tournament in Halle, Germany, 17 June 2015. Halle, Germany. 17th June, 2015. Roger Federer of Switzerland in action during the round of 16 match against Gulbis of Latvia at the ATP tennis tournament in Halle, Germany, 17 June 2015.](https://c8.alamy.com/comp/EW43EH/halle-germany-17th-june-2015-roger-federer-of-switzerland-in-action-EW43EH.jpg)