Wimbledon 2011: Juan Del Potro's power punishes Gilles Simon

Argentine Juan Martin Del Potro shows power and precision as he beats Gilles Simon in three tight sets to reach the fourth round at Wimbledon.

The former US Open champion blitzed his opponent with a series of aces, but also some delicate touches, and on this form will be a real test for defending champion Rafael Nadal in the last 16.

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