![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)
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,
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Stan Wawrinka and Dominic Thiem both lose in comeback matches after injuries at ATP Challenger event in Marbella - Eurosport
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