US tennis player Serena Williams of the Philippine Mavericks serves against Australias Samantha Stosur of the Indian Aces in the women's singles of the International Premier Tennis League (IPTL) competition in Manila on December 8, 2015. Williams won 6-3. AFP PHOTO / TED ALJIBE / AFP / TED ALJIBE (Photo credit should read TED ALJIBE/AFP via Getty Images)
