Andrey Rublev of Russia serves to Roger Federer of Switzerland during... Nachrichtenfoto - Getty Images
![Jil Teichmann of Switzerland after her third round match at the 2021 Western & Southern Open WTA 1000 tennis tournament against Naomi Osaka of Japan on August 19, 2021 at Lindner Family Jil Teichmann of Switzerland after her third round match at the 2021 Western & Southern Open WTA 1000 tennis tournament against Naomi Osaka of Japan on August 19, 2021 at Lindner Family](https://c8.alamy.com/comp/2GEYF56/jil-teichmann-of-switzerland-after-her-third-round-match-at-the-2021-western-southern-open-wta-1000-tennis-tournament-against-naomi-osaka-of-japan-on-august-19-2021-at-lindner-family-tennis-center-in-cincinnati-usa-photo-rob-prange-spain-dppi-dppi-2GEYF56.jpg)
Jil Teichmann of Switzerland after her third round match at the 2021 Western & Southern Open WTA 1000 tennis tournament against Naomi Osaka of Japan on August 19, 2021 at Lindner Family
![US Open: Naomi Osaka shocked by Swiss wild card Jil Teichmann at Cincinnati warm-up | South China Morning Post US Open: Naomi Osaka shocked by Swiss wild card Jil Teichmann at Cincinnati warm-up | South China Morning Post](https://img.i-scmp.com/cdn-cgi/image/fit=contain,width=1098,format=auto/sites/default/files/styles/1200x800/public/d8/images/methode/2021/08/20/8a2a706a-0177-11ec-83d9-2f907cc4e7e5_image_hires_133513.jpg?itok=L8R0cn7f&v=1629437722)
US Open: Naomi Osaka shocked by Swiss wild card Jil Teichmann at Cincinnati warm-up | South China Morning Post
![Jil Teichmann of Switzerland in action during her third round match at the 2021 Western & Southern Open WTA 1000 tennis tournament against Naomi Osaka of Japan on August 19, 2021 at Jil Teichmann of Switzerland in action during her third round match at the 2021 Western & Southern Open WTA 1000 tennis tournament against Naomi Osaka of Japan on August 19, 2021 at](https://c8.alamy.com/comp/2GEYD37/jil-teichmann-of-switzerland-in-action-during-her-third-round-match-at-the-2021-western-southern-open-wta-1000-tennis-tournament-against-naomi-osaka-of-japan-on-august-19-2021-at-lindner-family-tennis-center-in-cincinnati-usa-photo-rob-prange-spain-dppi-dppi-2GEYD37.jpg)
Jil Teichmann of Switzerland in action during her third round match at the 2021 Western & Southern Open WTA 1000 tennis tournament against Naomi Osaka of Japan on August 19, 2021 at
![Ashleigh Barty of Australia celebrates after winning the final of the 2021 Western & Southern Open WTA 1000 tennis tournament against Jil Teichmann of Switzerland on August 22, 2021 at Lindner Family Ashleigh Barty of Australia celebrates after winning the final of the 2021 Western & Southern Open WTA 1000 tennis tournament against Jil Teichmann of Switzerland on August 22, 2021 at Lindner Family](https://c8.alamy.com/comp/2GF2BY4/ashleigh-barty-of-australia-celebrates-after-winning-the-final-of-the-2021-western-southern-open-wta-1000-tennis-tournament-against-jil-teichmann-of-switzerland-on-august-22-2021-at-lindner-family-tennis-center-in-cincinnati-usa-photo-rob-prange-spain-dppi-dppi-2GF2BY4.jpg)
Ashleigh Barty of Australia celebrates after winning the final of the 2021 Western & Southern Open WTA 1000 tennis tournament against Jil Teichmann of Switzerland on August 22, 2021 at Lindner Family
![Karolina Pliskova of the Czech Republic in action during the semi-final at the 2021 Western & Southern Open WTA 1000 tennis tournament against Jil Teichmann of Switzerland on August 21, 2021 at Karolina Pliskova of the Czech Republic in action during the semi-final at the 2021 Western & Southern Open WTA 1000 tennis tournament against Jil Teichmann of Switzerland on August 21, 2021 at](https://c8.alamy.com/comp/2GEYMTB/karolina-pliskova-of-the-czech-republic-in-action-during-the-semi-final-at-the-2021-western-southern-open-wta-1000-tennis-tournament-against-jil-teichmann-of-switzerland-on-august-21-2021-at-lindner-family-tennis-center-in-cincinnati-usa-photo-rob-prange-spain-dppi-dppi-2GEYMTB.jpg)
Karolina Pliskova of the Czech Republic in action during the semi-final at the 2021 Western & Southern Open WTA 1000 tennis tournament against Jil Teichmann of Switzerland on August 21, 2021 at
![Photo Gallery From The Men's & Ladies Final At The Western & Southern Open Tennis - 10sBalls.com • TennisBalls.com Photo Gallery From The Men's & Ladies Final At The Western & Southern Open Tennis - 10sBalls.com • TennisBalls.com](https://www.10sballs.com/wp-content/uploads/2018/08/54563331.jpg)