![Viktor Troicki of Serbia celebrates after he won the semifinal of the Mercedes Cup ATP tennis tournament against Marin Cilic of Croatia in Stuttgart, Germany, Saturday June 13, 2015. Cilic will play Viktor Troicki of Serbia celebrates after he won the semifinal of the Mercedes Cup ATP tennis tournament against Marin Cilic of Croatia in Stuttgart, Germany, Saturday June 13, 2015. Cilic will play](https://c8.alamy.com/comp/2P2W05T/viktor-troicki-of-serbia-celebrates-after-he-won-the-semifinal-of-the-mercedes-cup-atp-tennis-tournament-against-marin-cilic-of-croatia-in-stuttgart-germany-saturday-june-13-2015-cilic-will-play-against-spains-rafael-nadal-in-the-final-on-sunday-marijan-muratdpa-via-ap-2P2W05T.jpg)
Viktor Troicki of Serbia celebrates after he won the semifinal of the Mercedes Cup ATP tennis tournament against Marin Cilic of Croatia in Stuttgart, Germany, Saturday June 13, 2015. Cilic will play
![ATP World Tour Mercedes Cup 2014 at TC Weissenhof tennis club. Featuring: John McEnroe,Michael Stich Where: Stuttgart, Germany When: 07 Jul 2014 Stock Photo - Alamy ATP World Tour Mercedes Cup 2014 at TC Weissenhof tennis club. Featuring: John McEnroe,Michael Stich Where: Stuttgart, Germany When: 07 Jul 2014 Stock Photo - Alamy](https://c8.alamy.com/comp/EDXBEW/atp-world-tour-mercedes-cup-2014-at-tc-weissenhof-tennis-club-featuring-EDXBEW.jpg)
ATP World Tour Mercedes Cup 2014 at TC Weissenhof tennis club. Featuring: John McEnroe,Michael Stich Where: Stuttgart, Germany When: 07 Jul 2014 Stock Photo - Alamy
![Victor Hanescu from Romania serves to Jeremy Chardy from France during the final of the ATP Mercedes-Cup tennis tournament in Stuttgart, Germany, Sunday, July 19, 2009. (AP Photo/Daniel Maurer Stock Photo - Victor Hanescu from Romania serves to Jeremy Chardy from France during the final of the ATP Mercedes-Cup tennis tournament in Stuttgart, Germany, Sunday, July 19, 2009. (AP Photo/Daniel Maurer Stock Photo -](https://c8.alamy.com/comp/2P88NHA/victor-hanescu-from-romania-serves-to-jeremy-chardy-from-france-during-the-final-of-the-atp-mercedes-cup-tennis-tournament-in-stuttgart-germany-sunday-july-19-2009-ap-photodaniel-maurer-2P88NHA.jpg)
Victor Hanescu from Romania serves to Jeremy Chardy from France during the final of the ATP Mercedes-Cup tennis tournament in Stuttgart, Germany, Sunday, July 19, 2009. (AP Photo/Daniel Maurer Stock Photo -
![Gael Monfils from France serves during the second round match against Pablo Andujar from Spain at the ATP Mercedes-Cup tennis tournament in Stuttgart, Germany, Thursday, July 15, 2010. (apn Photo/Daniel Maurer Stock Gael Monfils from France serves during the second round match against Pablo Andujar from Spain at the ATP Mercedes-Cup tennis tournament in Stuttgart, Germany, Thursday, July 15, 2010. (apn Photo/Daniel Maurer Stock](https://c8.alamy.com/comp/2P7F4W9/gael-monfils-from-france-serves-during-the-second-round-match-against-pablo-andujar-from-spain-at-the-atp-mercedes-cup-tennis-tournament-in-stuttgart-germany-thursday-july-15-2010-apn-photodaniel-maurer-2P7F4W9.jpg)