Damir Dzumhur Pictures
NEW YORK, NY - AUGUST 27: Damir Dzumhur of Bosnia and Herzegovina returns the ball in his mens singles first round match against Dusan Lajovic of Servia on Day One of the 2018 US Open at the USTA Billie Jean King National Tennis Center on August 27, 2018 in the Flushing neighborhood of the Queens borough of New York City. (Photo by Sarah Stier/Getty Images)