China's Peng Shuai (L) and Sun Tiantian celebrate after winning their match against Serena Williams and Venus Williams of U.S. at the WTA Bangalore Open tennis tournament in the southern Indian city of Bangalore March 5, 2008. Sun and Peng won 5-7, 6-2. (Xinhua/Reuters Photo) Photo Gallery>>>

Serena Williams and Venus Williams (L) of U.S. discuss during their match against China's Peng Shuai and Sun Tiantian at the WTA Bangalore Open tennis tournament in the southern Indian city of Bangalore March 5, 2008. (Xinhua/Reuters Photo) Photo Gallery>>>

Chinese tennis players Sun Tiantian(L) and Peng Shuai react after winning a doubles match against Serena Williams and Venus Williams of the U.S., at Bangalore Open 2008, a women's tennis tournament in Bangalore, India, Wednesday, March 5, 2008. Sun and Peng won 5-7, 6-2, (11-9).(AP Photo) Photo Gallery>>>

U.S. tennis player Serena Williams(L) and sister Venus Williams react after losing a point during doubles match against China's Sun Tiantian and Peng Shuai at the Bangalore Open 2008, India, Wednesday, March 5, 2008. Sun and Peng won 5-7, 6-2, (11-9).(AP Photo) Photo Gallery>>>