The Legg Mason Tennis Classic 2011 US Open Series Event with competitions including 48 singles and 16 doubles teams will launch August 1 in Washington.

The 2011 tournament includes defending champion David Nalbandian, currently No. 23 in the world, and ATP World Tour No. 9 Mardy Fish, No. 10 Andy Roddick, No. 11 Jurgen Melzer, and No. 12 Viktor Troicki, as well as 2010 runner-up Marcos Baghdatis (Cyprus), rising Canadian star Milos Raonic, 2007 runner-up John Isner and 2002 champion & 2005 runner-up James Blake.

Nalbandian will play his first march against the winner in Tatsuma Ita (Japan) vs. James Blake (USA) pair in the 2nd round of the championship.