NEW YORK, NEW YORK - SEPTEMBER 09: Qinwen Zheng of China serves against Elena Rybakina of Kazakhstan during their Women's Singles Quarterfinal match on Day Eleven of the 2026 US Open at USTA Billie Jean King National Tennis Center on September 09, 2026 in the Flushing neighborhood of the Queens borough of New York City. (Photo by Al Bello/Getty Images)