Two down, two to go

With her sights set on a calendar slam, winning at Wimbledon would put Serena Williams on the brink of making history

Serena Williams is aiming to move a step closer to an historic calendar grand slam as the world No 1 launches her bid for a sixth Wimbledon crown.

Williams returns to the All England Club next week for the first time since her distressing meltdown midway through a doubles match last year in which she was so badly affected by an apparent virus that she could barely hit the ball over the net.