![Roman Saifullin of Russia reacts during his I. CLTK Prague Open of the ATP Challenger Tour match..., Stock Photo, Picture And Rights Managed Image. Pic. CKP-P202008170571401 | agefotostock Roman Saifullin of Russia reacts during his I. CLTK Prague Open of the ATP Challenger Tour match..., Stock Photo, Picture And Rights Managed Image. Pic. CKP-P202008170571401 | agefotostock](https://previews.agefotostock.com/previewimage/medibigoff/35ced792540dfffb28ae5fcea5c3f0c1/ckp-p202008170571401.jpg)
Roman Saifullin of Russia reacts during his I. CLTK Prague Open of the ATP Challenger Tour match..., Stock Photo, Picture And Rights Managed Image. Pic. CKP-P202008170571401 | agefotostock
![Prague, Czech Republic. 17th Aug, 2020. Stan Wawrinka of Switzerland holds tennis balls during his I. CLTK Prague Open of the ATP Challenger Tour match against Roman Saifullin of Russia in Prague, Prague, Czech Republic. 17th Aug, 2020. Stan Wawrinka of Switzerland holds tennis balls during his I. CLTK Prague Open of the ATP Challenger Tour match against Roman Saifullin of Russia in Prague,](https://c8.alamy.com/comp/2CC2M1Y/prague-czech-republic-17th-aug-2020-stan-wawrinka-of-switzerland-holds-tennis-balls-during-his-i-cltk-prague-open-of-the-atp-challenger-tour-match-against-roman-saifullin-of-russia-in-prague-czech-republic-august-17-2020-credit-michal-kamarytctk-photoalamy-live-news-2CC2M1Y.jpg)
Prague, Czech Republic. 17th Aug, 2020. Stan Wawrinka of Switzerland holds tennis balls during his I. CLTK Prague Open of the ATP Challenger Tour match against Roman Saifullin of Russia in Prague,
![Swiss tennis player Stanislas ""Stan"" Wawrinka in action during the I, Stock Photo, Picture And Rights Managed Image. Pic. CKP-P202008220306201 | agefotostock Swiss tennis player Stanislas ""Stan"" Wawrinka in action during the I, Stock Photo, Picture And Rights Managed Image. Pic. CKP-P202008220306201 | agefotostock](https://previews.agefotostock.com/previewimage/medibigoff/5ffe7cf1b3fa9845e4a03174b8ecd229/ckp-p202008220306201.jpg)
Swiss tennis player Stanislas ""Stan"" Wawrinka in action during the I, Stock Photo, Picture And Rights Managed Image. Pic. CKP-P202008220306201 | agefotostock
![Prague, Czech Republic. 20th Aug, 2020. Stan Wawrinka of Switzerland returns a shot to Sumit Nagal of India during the I. CLTK Prague Open of the ATP Challenger Tour match in Prague, Prague, Czech Republic. 20th Aug, 2020. Stan Wawrinka of Switzerland returns a shot to Sumit Nagal of India during the I. CLTK Prague Open of the ATP Challenger Tour match in Prague,](https://c8.alamy.com/comp/2CCAJW3/prague-czech-republic-20th-aug-2020-stan-wawrinka-of-switzerland-returns-a-shot-to-sumit-nagal-of-india-during-the-i-cltk-prague-open-of-the-atp-challenger-tour-match-in-prague-czech-republic-august-20-2020-credit-michal-kamarytctk-photoalamy-live-news-2CCAJW3.jpg)
Prague, Czech Republic. 20th Aug, 2020. Stan Wawrinka of Switzerland returns a shot to Sumit Nagal of India during the I. CLTK Prague Open of the ATP Challenger Tour match in Prague,
![Tennis Challenger Hamburg presented by Tannenhof: Ofner und Daniel im Finale, Huesler/Majchrzak holen Doppeltitel Tennis Challenger Hamburg presented by Tannenhof: Ofner und Daniel im Finale, Huesler/Majchrzak holen Doppeltitel](https://www.hamburger-tennisverband.de/filebrowser/Challenger2020/Logo.jpg)
Tennis Challenger Hamburg presented by Tannenhof: Ofner und Daniel im Finale, Huesler/Majchrzak holen Doppeltitel
![Prague, Czech Republic. 20th Aug, 2020. Sumit Nagal of India returns a shot to Stan Wawrinka of Switzerland during the I. CLTK Prague Open of the ATP Challenger Tour match in Prague, Prague, Czech Republic. 20th Aug, 2020. Sumit Nagal of India returns a shot to Stan Wawrinka of Switzerland during the I. CLTK Prague Open of the ATP Challenger Tour match in Prague,](https://c8.alamy.com/comp/2CCAJGF/prague-czech-republic-20th-aug-2020-sumit-nagal-of-india-returns-a-shot-to-stan-wawrinka-of-switzerland-during-the-i-cltk-prague-open-of-the-atp-challenger-tour-match-in-prague-czech-republic-august-20-2020-credit-michal-kamarytctk-photoalamy-live-news-2CCAJGF.jpg)
Prague, Czech Republic. 20th Aug, 2020. Sumit Nagal of India returns a shot to Stan Wawrinka of Switzerland during the I. CLTK Prague Open of the ATP Challenger Tour match in Prague,
![Prague, Czech Republic. 17th Aug, 2020. Stan Wawrinka of Switzerland holds tennis balls during his I. CLTK Prague Open of the ATP Challenger Tour match against Roman Saifullin of Russia in Prague, Prague, Czech Republic. 17th Aug, 2020. Stan Wawrinka of Switzerland holds tennis balls during his I. CLTK Prague Open of the ATP Challenger Tour match against Roman Saifullin of Russia in Prague,](https://c8.alamy.com/comp/2CC2M1P/prague-czech-republic-17th-aug-2020-stan-wawrinka-of-switzerland-holds-tennis-balls-during-his-i-cltk-prague-open-of-the-atp-challenger-tour-match-against-roman-saifullin-of-russia-in-prague-czech-republic-august-17-2020-credit-michal-kamarytctk-photoalamy-live-news-2CC2M1P.jpg)