NEW YORK, NY - SEPTEMBER 03:  Victoria Azarenka of Belarus reacts to a point by throwing her racket in the second set against Ekaterina Makarova of Russia during their women's singles quarterfinal match on Day Ten of the 2014 US Open at the USTA Billie Jean King National Tennis Center on September 3, 2014 in the Flushing neighborhood of the Queens borough of New York City.  (Photo by Al Bello/Getty Images)