![Ivo Karlovic Croatia Returns Shot Vasek Pospisil Canada First Match – Stock Editorial Photo © ChinaImages #237317710 Ivo Karlovic Croatia Returns Shot Vasek Pospisil Canada First Match – Stock Editorial Photo © ChinaImages #237317710](https://st4.depositphotos.com/21607914/23731/i/1600/depositphotos_237317710-stock-photo-ivo-karlovic-croatia-returns-shot.jpg)
Ivo Karlovic Croatia Returns Shot Vasek Pospisil Canada First Match – Stock Editorial Photo © ChinaImages #237317710
![Tommy Haas, from Germany, hits a backhand against Ivo Karlovic, from Croatia, during their first round match of Mercedes-Benz Cup , Tuesday, July 26, 2005, in Los Angeles. (AP Photo/Kevork Djansezian Stock Tommy Haas, from Germany, hits a backhand against Ivo Karlovic, from Croatia, during their first round match of Mercedes-Benz Cup , Tuesday, July 26, 2005, in Los Angeles. (AP Photo/Kevork Djansezian Stock](https://c8.alamy.com/comp/2PE0HBW/tommy-haas-from-germany-hits-a-backhand-against-ivo-karlovic-from-croatia-during-their-first-round-match-of-mercedes-benz-cup-tuesday-july-26-2005-in-los-angeles-ap-photokevork-djansezian-2PE0HBW.jpg)
Tommy Haas, from Germany, hits a backhand against Ivo Karlovic, from Croatia, during their first round match of Mercedes-Benz Cup , Tuesday, July 26, 2005, in Los Angeles. (AP Photo/Kevork Djansezian Stock
![Mariano Zabaleta, of Argentina, returns a shot against Ivo Karlovic, of Croatia, during their U.S. Men's Clay Court Championships finals tennis match Sunday, April 15, 2007, in Houston. Karlovic defeated Zabaleta 6-4, Mariano Zabaleta, of Argentina, returns a shot against Ivo Karlovic, of Croatia, during their U.S. Men's Clay Court Championships finals tennis match Sunday, April 15, 2007, in Houston. Karlovic defeated Zabaleta 6-4,](https://c8.alamy.com/comp/2PBMBK4/mariano-zabaleta-of-argentina-returns-a-shot-against-ivo-karlovic-of-croatia-during-their-us-mens-clay-court-championships-finals-tennis-match-sunday-april-15-2007-in-houston-karlovic-defeated-zabaleta-6-4-6-1-to-win-the-tournament-ap-photodavid-j-phillip-2PBMBK4.jpg)
Mariano Zabaleta, of Argentina, returns a shot against Ivo Karlovic, of Croatia, during their U.S. Men's Clay Court Championships finals tennis match Sunday, April 15, 2007, in Houston. Karlovic defeated Zabaleta 6-4,
![Croatia's Ivo Karlovic reacts after winning the fourth set against Italy's Andreas Seppi during their third round match at the Australian Open tennis championships in Melbourne, Australia, Friday, Jan. 19, 2018. (AP Croatia's Ivo Karlovic reacts after winning the fourth set against Italy's Andreas Seppi during their third round match at the Australian Open tennis championships in Melbourne, Australia, Friday, Jan. 19, 2018. (AP](https://c8.alamy.com/comp/2MP6BYX/croatias-ivo-karlovic-reacts-after-winning-the-fourth-set-against-italys-andreas-seppi-during-their-third-round-match-at-the-australian-open-tennis-championships-in-melbourne-australia-friday-jan-19-2018-ap-photoandy-brownbill-2MP6BYX.jpg)
Croatia's Ivo Karlovic reacts after winning the fourth set against Italy's Andreas Seppi during their third round match at the Australian Open tennis championships in Melbourne, Australia, Friday, Jan. 19, 2018. (AP
![Rainer Schuettler of Germany returns the ball to Ivo Karlovic of Croatia during their first round match at ATP Zagreb Indoors Tennis Tournament in Zagreb, Croatia, Wednesday, Feb. 1, 2006. (AP Photo/Filip Rainer Schuettler of Germany returns the ball to Ivo Karlovic of Croatia during their first round match at ATP Zagreb Indoors Tennis Tournament in Zagreb, Croatia, Wednesday, Feb. 1, 2006. (AP Photo/Filip](https://c8.alamy.com/comp/2PDDDMT/rainer-schuettler-of-germany-returns-the-ball-to-ivo-karlovic-of-croatia-during-their-first-round-match-at-atp-zagreb-indoors-tennis-tournament-in-zagreb-croatia-wednesday-feb-1-2006-ap-photofilip-horvat-2PDDDMT.jpg)