Zheng Jie of China reaches for the ball during her semi-finals match against Serena Williams of the US at the Wimbledon tennis championships in London July 3, 2008. [Agencies]

Zheng Jie of China returns the ball to Serena Williams of the U.S. during their semi-finals match at the Wimbledon tennis championships in London July 3, 2008. [Agencies]