Wimbledon 2015: Andy Murray watch, day four: World No 3 hopes cramp problem does not return against Robin Haase - video

The Independent's Paul Newman's daily guide to Andy Murray's progress through the tournament

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Each day, The Independent's tennis correspondent, Paul Newman, will be charting the progress of Great Britain's best hope at Wimbledon, Andy Murray.

The Scotsman became the first Briton to win at SW1 since Fred Perry 77 years previously when he beat Novak Djokovic in the 2013 final. The Serbian is now the reigning champion after his victory over Roger Federer last year.

Murray up against the Netherlands' Robin Haase, who he defeated at last year's US Open despite suffering from a rare case of cramp.

To find out the latest news from the Murray camp and his chances of progressing through to the final on July 12, watch the latest video from Paul Newman below: