![Media information & pictures: Martina Hingis becomes new ambassador for the Swiss Tennis Academy | SwissTennis Media information & pictures: Martina Hingis becomes new ambassador for the Swiss Tennis Academy | SwissTennis](https://www.swisstennis.ch/sites/default/files/191028_v2_flyer_martinant_0.jpg)
Media information & pictures: Martina Hingis becomes new ambassador for the Swiss Tennis Academy | SwissTennis
![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/2CCAJGC/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-2CCAJGC.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. 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)
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. 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. 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. 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)