Li Na of China returns a ball against Anastasia Pavlyuchenkova of Russia during their second round match of thei Japan Pan Pacific Open tennis tournament, in Tokyo,Tuesday, Sept. 25, 2012. (AP ... more 

Li Na of China returns a ball against Anastasia Pavlyuchenkova of Russia during their second round match of thei Japan Pan Pacific Open tennis tournament, in Tokyo,Tuesday, Sept. 25, 2012. (AP Photo/Koji Sasahara) less