Lukas Rosol Pictures
NEW YORK, NY - AUGUST 30: Lukas Rosol of the Czech Republic returns a shot to Andy Murray of Great Britain during his first round Men's Singles match on Day Two of the 2016 US Open at the USTA Billie Jean King National Tennis Center on August 30, 2016 in the Flushing neighborhood of the Queens borough of New York City. (Photo by Andy Lyons/Getty Images)