NEW YORK, NY - AUGUST 31: Mikhail Youzhny of Russia returns a shot against Roger Federer of Switzerland during their second round Men's Singles match on Day Four of the 2017 US Open at the USTA Billie Jean King National Tennis Center on August 31, 2017 in the Flushing neighborhood of the Queens borough of New York City. (Photo by Matthew Stockman/Getty Images)
