NEW YORK, NEW YORK - AUGUST 26: Karolina Muchova of Czechia, Jakub Mensik of Czechia, Belinda Bencic of Switzerland, and Flavio Cobolli of Italy pose for a photo during the trophy presentation after the Mixed Doubles Final of the US Open at USTA Billie Jean King National Tennis Center on August 26, 2026 in New York City. (Photo by Sarah Stier/Getty Images)

Czech Republic's Jakub Mensik and Czech Republic's Karolina Muchova hold up the trophy after they beat Switzerland's Belinda Bencic and Italy's Flavio Cobolli in the mixed doubles final tennis match of the 2026 US Open tennis tournament at the USTA Billie Jean King National Tennis Center in New York on August 26, 2026. (Photo by CHARLY TRIBALLEAU / AFP via Getty Images)

NEW YORK, NEW YORK - AUGUST 26: Belinda Bencic of Switzerland and Flavio Cobolli of Italy pose for a photo during the trophy presentation after losing the Mixed Doubles Final of the US Open to Karolina Muchova of Czechia and Jakub Mensik of Czechia at USTA Billie Jean King National Tennis Center on August 26, 2026 in New York City. (Photo by Sarah Stier/Getty Images)

NEW YORK, NEW YORK - AUGUST 26: Belinda Bencic of Switzerland and Flavio Cobolli of Italy pose for a photo during the trophy presentation after losing the Mixed Doubles Final of the US Open to Karolina Muchova of Czechia and Jakub Mensik of Czechia at USTA Billie Jean King National Tennis Center on August 26, 2026 in New York City. (Photo by Sarah Stier/Getty Images)

NEW YORK, NEW YORK - AUGUST 26: Belinda Bencic of Switzerland addresses the audience after losing the Mixed Doubles Final of the US Open with partner Flavio Cobolli of Italy to Karolina Muchova of Czechia and Jakub Mensik of Czechia at USTA Billie Jean King National Tennis Center on August 26, 2026 in New York City. (Photo by Caleb Bowlin/Getty Images)

NEW YORK, NEW YORK - AUGUST 26: Belinda Bencic of Switzerland addresses the audience after losing the Mixed Doubles Final of the US Open with partner Flavio Cobolli of Italy to Karolina Muchova of Czechia and Jakub Mensik of Czechia at USTA Billie Jean King National Tennis Center on August 26, 2026 in New York City. (Photo by Caleb Bowlin/Getty Images)

Czech Republic's Jakub Mensik and Czech Republic's Karolina Muchova pose with the trophy while celebrating the victory over Switzerland's Belinda Bencic and Italy's Flavio Cobolli in the mixed doubles final tennis match of the 2026 US Open tennis tournament at the USTA Billie Jean King National Tennis Center in New York on August 26, 2026. (Photo by TIMOTHY A. CLARY / AFP via Getty Images)

Czech Republic's Jakub Mensik and Czech Republic's Karolina Muchova pose with the trophy while celebrating the victory over Switzerland's Belinda Bencic and Italy's Flavio Cobolli in the mixed doubles final tennis match of the 2026 US Open tennis tournament at the USTA Billie Jean King National Tennis Center in New York on August 26, 2026. (Photo by TIMOTHY A. CLARY / AFP via Getty Images)