NEW YORK, NEW YORK - SEPTEMBER 11: Daniil Medvedev of Russia reacts in the second set during his Men's Singles semifinal match against Dominic Thiem of Austria on Day Twelve of the 2020 US Open at the USTA Billie Jean King National Tennis Center on September 11, 2020 in the Queens borough of New York City. Matthew Stockman/Getty Images/AFP
