NEW YORK, NEW YORK - SEPTEMBER 12: (L to R) Stanislav Khmarskyi, Stefano Vukov, and Stefan Duell, coaches of Elena Rybakina of Kazakhstan, look on during the Women's Singles Final match against Aryna Sabalenka on Day Fourteen of the 2026 US Open at USTA Billie Jean King National Tennis Center on September 12, 2026 in the Flushing neighborhood of the Queens borough of New York City. (Photo by Julian Finney/Getty Images)