NEW YORK, NEW YORK - SEPTEMBER 12: Novak Djokovic of Serbia returns the ball against Daniil Medvedev of Russia during their Men's Singles final match on Day Fourteen of the 2021 US Open at the USTA Billie Jean King National Tennis Center on September 12, 2021 in the Flushing neighborhood of the Queens borough of New York City. (Photo by Matthew Stockman/Getty Images)
