NEW YORK, NEW YORK - SEPTEMBER 06: Oscar Otte of Germany returns against Matteo Berrettini of Italy during his Men’s Singles round of 16 match on Day Eight of the 2021 US Open at USTA Billie Jean King National Tennis Center on September 06, 2021 in the Flushing neighborhood of the Queens borough of New York City. (Photo by Al Bello/Getty Images)
