Watch Roger Federer vs Tommy Robredo - ATP US Open 2009 Match Live Stream on September 7th at 18:30 (GMT)

Five-time defending US Open champion Roger Federer and Rafael Nadal, who will be returning to Grand Slam competition after withdrawing from Wimbledon, lead the men’s singles field for the 2009 US Open Tennis Championships. The player field also features former US Open champions Andy Roddick, Lleyton Hewitt and Marat Safin. All top 100 men, representing 28 different countries, received direct entry into the US Open.

The 2009 US Open will be played August 31 – September 13 at the USTA Billie Jean King National Tennis Center in Flushing Meadows, N.Y. Both the men’s and women’s US Open singles champions will earn $1.6 million with the ability to earn an additional $1 million in bonus prize money (for a total $2.6 million potential payout) based on their performances in the Olympus US Open Series. The US Open Men’s Singles Championship is presented by Lexus.

Watch Roger Federer vs Tommy Robredo - ATP US Open 2009 Match Live Stream on September 7th at 18:30 (GMT)