Last Updated: Sunday, June 26, 2011, 17:48
Former U.S. Open champion Juan Martin del Potro has all the tools to provide Rafa Nadal with his first stern test in the defence of his Wimbledon crown.
Last Updated: Sunday, June 26, 2011, 16:24
Security was beefed up at Wimbledon after a group of protesters tried to stage a demonstration in the grounds.
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