NEW YORK, NEW YORK - AUGUST 25: Jakub Mensik of Czechia serves with partner Karolina Muchova of Czechia against Emma Navarro of the United States and Tommy Paul of the United States in mixed doubles during Fan Week at the USTA Billie Jean King National Tennis Center on August 25, 2026 in the Flushing neighborhood of the Queens borough of New York City. (Photo by Sarah Stier/Getty Images)