- Maria Sharapova reached the US Open last-16 on Friday with a 6-2, 6-4 win over Germany's Sabine Lisicki.
In a match that saw nine breaks of serve and finished after midnight, Sharapova broke Lisicki in the final game to clinch the win when the German fired a forehand out on the Russian's third match point.
"It was a really tough opponent I had today, a very aggressive, big server," Sharapova said. "I just tried to concentrate on my return, I wasn't serving as well as I wanted to."
Sharapova will face Danish 10th seed and 2009 runner-up Caroline Wozniacki for a quarter-finals place.
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- Maria Sharapova
- Sabine Lisicki