![Prague, Czech Republic. 20th Sep, 2017. Swiss tennis player ROGER FEDERER in action during the training session prior to the first edition of the Laver Cup tennis tournament in Prague, Czech Republic, Prague, Czech Republic. 20th Sep, 2017. Swiss tennis player ROGER FEDERER in action during the training session prior to the first edition of the Laver Cup tennis tournament in Prague, Czech Republic,](https://l450v.alamy.com/450v/k8pbn1/prague-czech-republic-20th-sep-2017-swiss-tennis-player-roger-federer-k8pbn1.jpg)
Prague, Czech Republic. 20th Sep, 2017. Swiss tennis player ROGER FEDERER in action during the training session prior to the first edition of the Laver Cup tennis tournament in Prague, Czech Republic,
Swiss Tennis - TENNIS 26.07.2020; Biel; Tennis - Pro Cup; Johan Nikles (Urs Lindt/freshfocus) | Facebook
![Prague, Czech Republic. 22nd Aug, 2020. Russian tennis player Aslan Karatsev in action during the I. CLTK Prague Open of the ATP Challenger Tour match against Swiss Stanislas "Stan" Wawrinka on August Prague, Czech Republic. 22nd Aug, 2020. Russian tennis player Aslan Karatsev in action during the I. CLTK Prague Open of the ATP Challenger Tour match against Swiss Stanislas "Stan" Wawrinka on August](https://l450v.alamy.com/450v/2ccpcey/prague-czech-republic-22nd-aug-2020-russian-tennis-player-aslan-karatsev-in-action-during-the-i-cltk-prague-open-of-the-atp-challenger-tour-match-against-swiss-stanislas-stan-wawrinka-on-august-22-2020-in-prague-czech-republic-credit-roman-vondrousctk-photoalamy-live-news-2ccpcey.jpg)