NEW YORK, NEW YORK - AUGUST 26: Karolina Muchova of Czechia and Jakub Mensik of Czechia react after a point during the Mixed Doubles Semifinal of the US Open against Mirra Andreeva and Andrey Rublev at USTA Billie Jean King National Tennis Center on August 26, 2026 in New York City. (Photo by Sarah Stier/Getty Images)