![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/2CCAKR8/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-2CCAKR8.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. 22nd Aug, 2020. Swiss tennis player Stanislas "Stan" Wawrinka in action during the I. CLTK Prague Open of the ATP Challenger Tour match against Russian Aslan Karatsev on August Prague, Czech Republic. 22nd Aug, 2020. Swiss tennis player Stanislas "Stan" Wawrinka in action during the I. CLTK Prague Open of the ATP Challenger Tour match against Russian Aslan Karatsev on August](https://c8.alamy.com/comp/2CCPCC1/prague-czech-republic-22nd-aug-2020-swiss-tennis-player-stanislas-stan-wawrinka-in-action-during-the-i-cltk-prague-open-of-the-atp-challenger-tour-match-against-russian-aslan-karatsev-on-august-22-2020-in-prague-czech-republic-credit-roman-vondrousctk-photoalamy-live-news-2CCPCC1.jpg)
Prague, Czech Republic. 22nd Aug, 2020. Swiss tennis player Stanislas "Stan" Wawrinka in action during the I. CLTK Prague Open of the ATP Challenger Tour match against Russian Aslan Karatsev on August
![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/2CCAJW0/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-2CCAJW0.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,
![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://l450v.alamy.com/450v/2ccajtw/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-2ccajtw.jpg)