Maria Kirilenko (R) and Nadia Petrova (L) of Russia return a shot against Venus Williams and Serena Williams of the United States during their Women's Doubles Tennis Semifinal match on Day 8 of the London 2012 Olympic Games at the All England Lawn Tennis and Croquet Club on August 4, 2012 in London, England.
( - Source: Clive Brunskill/Getty Images Europe) see more angles »
( - Source: Clive Brunskill/Getty Images Europe) see more angles »
