Unseeded German Sabine Lisicki added Danish ninth seed Caroline Wozniacki to her list of Wimbledon scalps this year with a 6-4 6-4 victory in the fourth round on Monday.
Lisicki, the world number 41 who accounted for French Open champion Svetlana Kuznetsova in the third round, played with more consistency and poise to come through in an hour and 19 minutes on Court Four.
A single break of serve was sufficient in each set for the 19-year-old, who sealed victory when Wozniacki ballooned a forehand long.
She will play top seed Dinara Safina of Russia or France's 17th seed Amelie Mauresmo for a place in the semi-finals.
