Chinese tennis star Li Na hits a return shot to Victoria Azarenka of Belarus during a tennis exhibition match in Thailand's resort seaside town of Hua Hin on December 29, 2012. Li beat Azarenka 10-6 in a play-off after the pair shared a set each in a see-sawing invitation match in the Thai resort of Hua Hin. AFP PHOTO / PORNCHAI KITTIWONGSAKUL (Photo credit should read PORNCHAI KITTIWONGSAKUL/AFP via Getty Images)
