Britain Wimbledon Tennis

Russia's Vera Zvonareva runs to ake a forehand return during her quarterfinal match against Belgium's Kim Clijsters at the All England Lawn Tennis Championships at Wimbledon, Tuesday, June 29, 2010. (AP Photo/Anja Niedringhaus)

Belgium's Kim Clijsters makes a forehand return during her quarterfinal match against Russia's Vera Zvonareva at the All England Lawn Tennis Championships at Wimbledon, Tuesday, June 29, 2010. (AP Photo/Anja Niedringhaus)

Russia's Vera Zvonareva is airborne as she makes a backhand return during her quarterfinal match against Belgium's Kim Clijsters at the All England Lawn Tennis Championships at Wimbledon, Tuesday, June 29, 2010. (AP Photo/Anja Niedringhaus)

Belgium's Kim Clijsters reaches for a backhand return during her quarterfinal match against Russia's Vera Zvonareva at the All England Lawn Tennis Championships at Wimbledon, Tuesday, 2010. (AP Photo/Anja Niedringhaus)

Russia's Vera Zvonareva, right, exchanges kisses with Belgium's Kim Clijsters as she celebrates her quarterfinal win at the All England Lawn Tennis Championships at Wimbledon, Tuesday, June 29, 2010. (AP Photo/Anja Niedringhaus)

Russia's Vera Zvonareva bends over as she celebrates after winning her quarterfinal match against Belgium's Kim Clijsters at the All England Lawn Tennis Championships at Wimbledon, Tuesday, June 29, 2010. (AP Photo/Anja Niedringhaus)

Russia's Vera Zvonareva returns to Tsvetana Pironkova of Bulgaria, during their women's singles semifinal on the Centre Court at the All England Lawn Tennis Championships at Wimbledon, Thursday, July 1, 2010. (AP Photo/Matthew Stockman, Pool)

Russia's Vera Zvonareva returns to Tsvetana Pironkova of Bulgaria, during their women's singles semifinal on the Centre Court at the All England Lawn Tennis Championships at Wimbledon, Thursday,2010. (AP Photo/Matthew Stockman, Pool)

Russia's Vera Zvonareva, foreground, serves to Tsvetana Pironkova of Bulgaria, during their women's singles semifinal on the Centre Court at the All England Lawn Tennis Championships at Wimbledon, Thursday, July 1, 2010. (AP Photo/Matthew Stockman,Pool)