Federer and Tsitsipas practice together in Basel before potentially clashing in the semifinal - Tennis Tonic - News, Predictions, H2H, Live Scores, stats
Roger Federer now has new tram named after him in Switzerland's Basel
Tennis news - Roger Federer wins in 53 minutes to advance in Basel in 1,500th tour game - Eurosport
ATP Basel: Roger Federer downs Stefanos Tsitsipas for 15th final at home
Roger Federer – Wikipedia
364 Federer Basel 2018 Photos and Premium High Res Pictures - Getty Images
Roger Federer achieves two records in Basel 2019 | Tennis Shot