Sharapova's wonder backhand stuns Peng

Maria Sharapova's wonderful backhand winner stuns Peng Shuai in their fourth round match at Wimbledon.

The shot is all the more remarkable because it came at the end of a gruelling 18-shot rally, in searing temperatures on court two.

Sharapova went on to win the match 6-4, 6-2.

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