NEW YORK, NEW YORK - SEPTEMBER 03: Francisco Cerundolo of Argentina reacts after defeating Jan-Lennard Struff of Germany during their Men's Singles Second Round match on Day Five of the 2026 US Open at USTA Billie Jean King National Tennis Center on September 03, 2026 in the Flushing neighborhood of the Queens borough of New York City. (Photo by Patrick Smith/Getty Images)