[Rusty Backhand]

NEW YORK, Sept 4 (Reuters) - Defending champion Roger Federer stuttered into the fourth round of the U.S. Open on Sunday with a 6-3 7-6 6-2 victory over Belgian Olivier Rochus, the 27th seed.

http://go.reuters.co.uk/newsArticle.jhtml?type=tennisNews&storyID=9556868&section=news&src=rss/uk/tennisNews