NEW YORK, NY - SEPTEMBER 02: Roger Federer of Switzerland returns a shot to Feliciano Lopez of Spain during their third round Men's Singles match on Day Six of the 2017 US Open at the USTA Billie Jean King National Tennis Center on September 2, 2017 in the Flushing neighborhood of the Queens borough of New York City. (Photo by Richard Heathcote/Getty Images)
