NEW YORK, NEW YORK - SEPTEMBER 04: Stefanos Tsitsipas of Greece serves against Jiri Lehecka of Czechia during their Men's Singles Third Round match on Day Six of the 2026 US Open at USTA Billie Jean King National Tennis Center on September 04, 2026 in the Flushing neighborhood of the Queens borough of New York City. (Photo by Patrick Smith/Getty Images)