Roger Federer and Serena Williams will begin the defence of their US Open titles at Flushing Meadows on Monday, while Kim Clijsters returns to grand-slam tennis for the first time in two years.
World number one Roger Federer will begin his bid to win a record sixth consecutive US Open against American wildcard Devin Britton after the draw was made on Thursday. Women's champion Serena Williams begins her campaign against American wildcard Alexa Glatch.