Russia's Maria Sharapova reacts to a television camera during an exhibition tennis match against Czech Republic's Petra Kvitova and Lucie Safarova (not pictured) in Prague, Oct 29, 2012. [Photo/Agencies]
Czech Republic's Petra Kvitova hits a ball with the handle of her racquet during an exhibition tennis match against Russia's Maria Sharapova in Prague, Oct 29, 2012. [Photo/Agencies]