NEW YORK, NY - SEPTEMBER 05:  Stan Wawrinka of Switzerland throws his broken racket to fans during his Men's Singles Third Round match against Ruben Bemelmans of Belgium on Day Six of the 2015 US Open at the USTA Billie Jean King National Tennis Center on September 5, 2015 in the Flushing neighborhood of the Queens borough of New York City.  (Photo by Alex Goodlett/Getty Images)