Ana Ivanovic, of Serbia, reacts after losing a point to Victoria Azarenka, of Belarus, during the quarterfinals of the 2013 U.S. Open tennis tournament, Tuesday, Sept. 3, 2013, in New York. (AP ... more 
Ana Ivanovic, of Serbia, reacts after losing a point to Victoria Azarenka, of Belarus, during the quarterfinals of the 2013 U.S. Open tennis tournament, Tuesday, Sept. 3, 2013, in New York. (AP Photo/Julio Cortez) less 
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Associated Press | Photo By Julio Cortez
Tue, Sep 3, 2013 1:53 PM EDT