Olympiad XXX Day 3: Venus, Serena, Raja, Vika Win

Venus Williams won her first round match over 2012 French Open finalist Sara Errani of Italy, while her sister Serena won her second round match over Urszula Radwanska of Poland. #1 seed Victoria Azarenka  17-time major champion Roger Federer won his 2nd round match over Julien Benneteau of France. Americans Varvara Lepchenko, John Isner and Andy Roddick also won. The latter win sets up a 2nd round clash with World #2 Novak Djokovic of Serbia. Janko Tipsarevic of Serbia will face American John Isner in the 3rd round. Interesting second round match-ups include Jo-Wilfried Tsonga of France against Milos Raonic of Canada, Djokovic versus Roddick and Richard Gasquet against Marcos Baghdatis.

On the women's side, Venus will play Aleksandra Wozniak of Canada next while Serena will face Vera Zvonareva. Kim Clijsters will face Ana Ivanovic in the 3rd round while Caroline Wozniacki(8) will face Daniela Hantuchova.

Other players of note still in the hunt for medals are Petra Kvitova(6) and Maria Sharapova(3).