World number one Nadal battles into last 16 at Wimbledon

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Rafael Nadal of Spain celebrates the victory after his second round match of men's singles against Robin Haase of Netherlands at the 2010 Wimbledon Tennis Championships in London, Britain, June 24, 2010. Nadal won 3-2.

LONDON, June 26 -- World number one Rafael Nadal battled for five sets to advance into the round of last 16 at the Wimbledon Championships on Saturday.

Nadal, 24, couldn't split up with his German opponent Philipp Petzschner after four sets but managed to dominate the decider. The second seed finally won the match 6-4, 4-6, 6-7(5), 6-2, 6-3.

The 2008 Wimbledon champion is going to meet Paul-Henri Mathieu from France in the next round.