Victoria Azarenka, of Belarus, returns a shot to Alize Cornet, of France, during the third round of the 2013 U.S. Open tennis tournament, Saturday, Aug. 31, 2013, in New York. (AP Photo/David Goldman)

Photo by: David Goldman

Victoria Azarenka, of Belarus, returns a shot to Alize Cornet, of France, during the third round of the 2013 U.S. Open tennis tournament, Saturday, Aug. 31, 2013, in New York. (AP Photo/David Goldman)