Wimbledon day four

Anne Keothavong smacks the ball towards her second-round opponent Venus Williams Photograph: Tom Jenkins/Guardian

Keothavong cringes with despair as she slips to defeat Photograph: Tom Jenkins/Guardian

The fathers of Anne Keothavong and Venus Williams embrace in the stands after the match Photograph: Tom Jenkins/Guardian

Former Wimbledon favourites Tim Henman and John McEnroe head to the commentary box Photograph: Tom Jenkins/Guardian

Rafael Nadal serves the ball to Ernest Gulbis on Court One Photograph: Tom Jenkins/Guardian

Gulbis covers his face during an interval in his match against Nadal Photograph: Tom Jenkins/Guardian

An Andy Murray fan wanders along draped in the Lion Rampant flag Photograph: Tom Jenkins/Guardian

Andy Murray races to the ball in his match with Xavier Malisse Photograph: Tom Jenkins/Guardian

Maria Sharapova displays her frustration with her own performance in her match with Alla Kudryavtseva Photograph: Tom Jenkins/Guardian

Kudryavtseva jumps for joy after beating Sharapova Photograph: Tom Jenkins/Guardian

A dejected Sharapova walks off Court One Photograph: Tom Jenkins/Guardian