Defending champion David Nalbandian drop out of the Legg Mason Tennis Classic in Washington DC at the first hurdle as he was beaten by James Blake. Nalbandian, seeded eighth, never found his beat as he lost 6-2 6-4 in the second-round clash.
The Argentinian was the only seed to lose as number 11 John Isner topped Tobias Kamke 6-1 6-3, 13th seed Kevin Anderson rallied to send off qualifier Chris Guccione 3-6 6-2 7-6 (7-0) and number 16 Jarkko Nieminen beat Igor Kunitsyn 7-5 6-4, all in second-round clashes.
The rest of the action was in the first round, and was dyed by a lengthy battle between Grigor Dimitrov and Tim Smyczek, which eventually saw Dimitrov come through 4-6 7-6 (7-3) 7-6 (7-3).Ryan Sweeting beat Alex Bogomolov Jr 6-2 6-4, Flavio Cipolla send off Marsel Ilhan 7-5 6-0 and Michael Berrer was a 7-5 6-1 champion over Paolo Lorenzi.
Wildcard Ryan Harrison superior with a 6-4 1-6 6-1 win over Mischa Zverev, Somdev Devvarman beat Denis Gremelmayr 6-2 6-3 and Tommy Haas beat Amer Delic 6-2 6-3.