Serena Defeats Zvonareva to Reach Olympic Women’s Quarterfinals
American Serena Williams hit 12 aces and repeatedly hit her groundstrokes extremely hard past 13-seeded Vera Zvonareva of Russia to win 6-1, 6-0 and reach the quarterfinals of the 2012 London Olympic Games. Seeded fourth, Serena hit 32 winners to just three for Zvonareva, who also lost when they met in the 2010 Wimbledon finals. Serena hit…

