Michael Mmoh Pictures
NEW YORK, NY - AUGUST 28: Michael Mmoh of the United States reacts during his men's singles first round match against Fabio Fognini of Italy on Day Two of the 2018 US Open at the USTA Billie Jean King National Tennis Center on August 28, 2018 in the Flushing neighborhood of the Queens borough of New York City. (Photo by Elsa/Getty Images)