Wimbledon 2015: What to watch on day four at The Championships

James Olley looks ahead to the day's highlights

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The Independent Online

Andy Murray is in action on day four of Wimbledon.

The Scot is bidding to regain the title that he lifted in 2013 and will do so against Robin Haase.

Murray isn't the only member of the 'Big Four' in action today though. Roger Federer will be on Centre Court against Sam Querrey. It will be the first time the two experienced tennis players have met in seven years. Rafael Nadal, seeded tenth at this year’s Wimbledon, is facing Germany’s Dustin Brown.

Here, James Olley fills you in on all the day's standout events...