Czech Republic's Jakub Mensik serves during the mixed doubles semi-finals tennis match with partner Czech Republic's Karolina Muchova against Russia's Mirra Andreeva and Russia's Andrey Rublev in 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)