Court workers pull a cover over the centre court as rain stops play during the semi-finals match between Zheng Jie of China and Serena Williams (bottom, 2nd L) of the U.S. at the Wimbledon tennis championships in London July 3, 2008. [Agencies]

Serena Williams of the U.S. leaves centre court as rain stopped play during her semi-finals match against Zheng Jie of China at the Wimbledon tennis championships in London July 3, 2008. [Agencies]