![Stefan Koubek of Vienna, Austria, returns a volley against Andy Roddick of the United States during the semi-finals of the Atlanta Verizon Tennis Challenge at the Atlanta Athletic Club in Duluth, Georgia, Stefan Koubek of Vienna, Austria, returns a volley against Andy Roddick of the United States during the semi-finals of the Atlanta Verizon Tennis Challenge at the Atlanta Athletic Club in Duluth, Georgia,](https://c8.alamy.com/comp/2D3T4D1/stefan-koubek-of-vienna-austria-returns-a-volley-against-andy-roddick-of-the-united-states-during-the-semi-finals-of-the-atlanta-verizon-tennis-challenge-at-the-atlanta-athletic-club-in-duluth-georgia-april-28-2001-roddick-defeated-koubek-6-2-6-2-to-advance-to-the-finals-and-will-play-xavier-malisse-of-belgium-tlchb-2D3T4D1.jpg)
Stefan Koubek of Vienna, Austria, returns a volley against Andy Roddick of the United States during the semi-finals of the Atlanta Verizon Tennis Challenge at the Atlanta Athletic Club in Duluth, Georgia,
![Austria's Stefan Koubek hits a shot to France's Paul-Henri Mathieu at the Australian Open tennis tournament in Melbourne January 18, 2008. REUTERS/Stuart Milligan (AUSTRALIA Stock Photo - Alamy Austria's Stefan Koubek hits a shot to France's Paul-Henri Mathieu at the Australian Open tennis tournament in Melbourne January 18, 2008. REUTERS/Stuart Milligan (AUSTRALIA Stock Photo - Alamy](https://c8.alamy.com/comp/2E84B4C/austrias-stefan-koubek-hits-a-shot-to-frances-paul-henri-mathieu-at-the-australian-open-tennis-tournament-in-melbourne-january-18-2008-reutersstuart-milligan-australia-2E84B4C.jpg)
Austria's Stefan Koubek hits a shot to France's Paul-Henri Mathieu at the Australian Open tennis tournament in Melbourne January 18, 2008. REUTERS/Stuart Milligan (AUSTRALIA Stock Photo - Alamy
![Stefan Koubek of Austria celebrates after his quarter final match against Fernando Meligeni of Brazil at the Austrian Open Tennis Championships in Kitzbuehel July 30. Koubek won the match 6-2 6-3. LE//ME Stefan Koubek of Austria celebrates after his quarter final match against Fernando Meligeni of Brazil at the Austrian Open Tennis Championships in Kitzbuehel July 30. Koubek won the match 6-2 6-3. LE//ME](https://c8.alamy.com/comp/2D599B2/stefan-koubek-of-austria-celebrates-after-his-quarter-final-match-against-fernando-meligeni-of-brazil-at-the-austrian-open-tennis-championships-in-kitzbuehel-july-30-koubek-won-the-match-6-2-6-3-leme-2D599B2.jpg)
Stefan Koubek of Austria celebrates after his quarter final match against Fernando Meligeni of Brazil at the Austrian Open Tennis Championships in Kitzbuehel July 30. Koubek won the match 6-2 6-3. LE//ME
![Austria's Stefan Koubek reacts during his third round victory over Denmark's Kristian Pless at the Australian Austria's Stefan Koubek reacts during his third round victory over Denmark's Kristian Pless at the Australian](https://c8.alamy.com/comp/2D4ED7C/austrias-stefan-koubek-reacts-during-his-third-round-victory-over-denmarks-kristian-pless-at-the-australian-open-in-melbourne-january-18-2002-koubek-won-in-straight-sets-7-6-7-5-6-3-reutersstuart-milligan-smtancp-2D4ED7C.jpg)
Austria's Stefan Koubek reacts during his third round victory over Denmark's Kristian Pless at the Australian
![Stefan Koubek Austria Returns Paulhenri Mathieu Editorial Stock Photo - Stock Image | Shutterstock Editorial Stefan Koubek Austria Returns Paulhenri Mathieu Editorial Stock Photo - Stock Image | Shutterstock Editorial](https://editorial01.shutterstock.com/preview/7590414oo/1f0db462/Shutterstock_7590414oo.jpg)
Stefan Koubek Austria Returns Paulhenri Mathieu Editorial Stock Photo - Stock Image | Shutterstock Editorial
![Stefan Koubek - Advantage Tennis Photo site, view and purchase photos of the Tennis player Stefan Koubek. Stefan Koubek - Advantage Tennis Photo site, view and purchase photos of the Tennis player Stefan Koubek.](https://www.advantage-tennis.com/koubek/402_0921.jpg)