Belarus' Victoria Azarenka returns the ball to Poland's Agnieszka Radwanska during their semifinal match at the WTA Porsche Tennis Grand Prix in Stuttgart, southwestern Germany, on April 28, 2012. ... more 

Belarus' Victoria Azarenka returns the ball to Poland's Agnieszka Radwanska during their semifinal match at the WTA Porsche Tennis Grand Prix in Stuttgart, southwestern Germany, on April 28, 2012. Azarenka won 6-1, 6-3. AFP PHOTO THOMAS KIENZLETHOMAS KIENZLE/AFP/GettyImages less