French Open matches involving Rafael Nadal and Serena Williams were postponed Thursday before play finally began after a rain delay of 4 hours, 35 minutes. Officials hoped to complete much of the schedule, although rain remained in the forecast for the rest of the day. Six second-round singles matches and 16 doubles matches were postponed. Among those delayed until Friday were Nadal's match against Horacio Zeballos and Williams' match against Julia Goerges. Those still scheduled to play Thursday included four-time champion Justine Henin, Maria Sharapova, Novak Djokovic and Andy Roddick. http://sports.espn.go.com/sports/tennis/french10/news/story?id=5225195
