The Fourth round at Wimbledon swept aside some top players including former world number ones Maria Sharapova who lost to Serena Williams in two sets 76,64. Kim Clijsters defeated Justine Henin in three sets 26,62,63. Vera Zvonareva defeated Jelena Jankovic who retired with a low back injury. Top seed to go out was Caroline Wozniacki who lost to Petra Kvitova in straight sets.