![ATP Valencia Open: Teenager Stefan Kozlov defeated by Martin Klizan in round one | Tennis News | Sky Sports ATP Valencia Open: Teenager Stefan Kozlov defeated by Martin Klizan in round one | Tennis News | Sky Sports](https://e0.365dm.com/14/10/2048x1152/stefan-kozlov-us-open_3219158.jpg)
ATP Valencia Open: Teenager Stefan Kozlov defeated by Martin Klizan in round one | Tennis News | Sky Sports
![Martin Klizan (SVK) Tennis - ATP BMW Open 2014 - Munich - ATP 250 Championship - Iphitos Tennis Club - Germany - 2014 | International Agency Tennis Photo Network Martin Klizan (SVK) Tennis - ATP BMW Open 2014 - Munich - ATP 250 Championship - Iphitos Tennis Club - Germany - 2014 | International Agency Tennis Photo Network](https://m.psecn.photoshelter.com/img-get/I0000Gj9wWI1iHeU/s/900/900/Martin-Klizan-04052014-b0016.jpg)
Martin Klizan (SVK) Tennis - ATP BMW Open 2014 - Munich - ATP 250 Championship - Iphitos Tennis Club - Germany - 2014 | International Agency Tennis Photo Network
![The Slovenian player Martin Klizan plays against Germany's Zverev during their men's singles tennis..., Stock Photo, Picture And Rights Managed Image. Pic. PAH-90383109 | agefotostock The Slovenian player Martin Klizan plays against Germany's Zverev during their men's singles tennis..., Stock Photo, Picture And Rights Managed Image. Pic. PAH-90383109 | agefotostock](https://previews.agefotostock.com/previewimage/medibigoff/add76b216210f6b393db3215eca0238c/pah-90383109.jpg)
The Slovenian player Martin Klizan plays against Germany's Zverev during their men's singles tennis..., Stock Photo, Picture And Rights Managed Image. Pic. PAH-90383109 | agefotostock
![Saint Petersburg, Russia. 23rd Sep, 2018. Martin Klizan of Slovakia seen returning the ball to Dominic Thiem of Austria during the St. Petersburg Open ATP tennis tournament final match in St.Petersburg, Russia Saint Petersburg, Russia. 23rd Sep, 2018. Martin Klizan of Slovakia seen returning the ball to Dominic Thiem of Austria during the St. Petersburg Open ATP tennis tournament final match in St.Petersburg, Russia](https://c8.alamy.com/comp/PP5593/saint-petersburg-russia-23rd-sep-2018-martin-klizan-of-slovakia-seen-returning-the-ball-to-dominic-thiem-of-austria-during-the-st-petersburg-open-atp-tennis-tournament-final-match-in-stpetersburg-russia-credit-igor-russaksopa-imageszuma-wirealamy-live-news-PP5593.jpg)