[News Rover]

ANTWERP, Belgium, Feb 15 (Reuters) - Russia's Nadia Petrova battled into the quarter-finals of the Diamond Games with a 7-6 6-3 win over Serbian Ana Ivanovic on Wednesday.

http://go.reuters.co.uk/newsArticle.jhtml?type=tennisNews&storyID=11224788&section=news&src=rss/uk/tennisNews