[Rusty Backhand]

BEIJING, Sept 20 (Reuters) - Title holder Serena Williams will face wildcard Sun Tiantian in the second round of the China Open after the Olympic doubles champion won her opening match on Tuesday.

http://go.reuters.co.uk/newsArticle.jhtml?type=tennisNews&storyID=9701782&section=news&src=rss/uk/tennisNews