Vaclav Safranek Pictures
NEW YORK, NY - AUGUST 30: Vaclav Safranek of Czech Republic shakes hands with Grigor Dimitrov of Bulgaria after their first round Men's Singles match on Day Three of the 2017 US Open at the USTA Billie Jean King National Tennis Center on August 30, 2017 in the Flushing neighborhood of the Queens borough of New York City. (Photo by Matthew Stockman/Getty Images)