Novak Djokovic is learning to expect the unexpected at Wimbledon but is making sure he keeps his own game under control.

Serena Williams begins the defence of her Wimbledon crown this morning after seeing rival Maria Sharapova progress from her first-round clash.

Andy Murray is refusing to start dreaming about another grand slam final despite avoiding a dreaded quarter-final clash against Rafael Nadal today.

Reigning champion Kim Clijsters insisted her game was still a work in progress despite easing into the third round of the US Open with a 6-2 6-1 victory over Australian Sally Peers.