SINGAPORE - DECEMBER 03:  Serena Williams and Bruno Soares of the Singapore Slammers in action  against Sania Mirza and Rohan Bopanna of the Indian Aces during the Coca-Cola International Premier Tennis League at the Singapore Sports Hub on December 3, 2014 in Singapore.  (Photo by Clive Brunskill/Getty Images for IPTL 2014)