BBC Sport - World Cup 2014: Angelique Kerber stuns Maria Sharapova

Kerber v Sharapova - key points

Watch the key points from Angelique Kerber's victory over Maria Sharapova.

The German came through a tense final set to convert her seventh match point and win 7-6 (7-4) 4-6 6-4 on Centre Court.

Kerber moves into the quarter final stage where she will face Canadian thirteenth seed Eugenie Bouchard.

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