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NEW YORK, NEW YORK - SEPTEMBER 01: Yoshihito Nishioka of Japan returns the ball during his Men's Singles first round match against Andy Murray of Great Britain on Day Two of the 2020 US Open at the USTA Billie Jean King National Tennis Center on September 1, 2020 in the Queens borough of New York City. (Photo by Al Bello/Getty Images)

NEW YORK, NEW YORK - SEPTEMBER 01: Yoshihito Nishioka of Japan returns the ball during his Men's Singles first round match against Andy Murray of Great Britain on Day Two of the 2020 US Open at the USTA Billie Jean King National Tennis Center on September 1, 2020 in the Queens borough of New York City. (Photo by Al Bello/Getty Images)