NEW YORK, NEW YORK - AUGUST 31: Matteo Berrettini of Italy reacts against Stan Wawrinka of Switzerland during their Men's Singles First Round match on Day Two of the 2026 US Open at USTA Billie Jean King National Tennis Center on August 31, 2026 in the Flushing neighborhood of the Queens borough of New York City. (Photo by Al Bello/Getty Images)