Blake will face No. 3 seed John Isner, his friend and doubles partner, in the second round.
No. 8 seed Somdev Devvarman of India held off Ryan Sweeting 6-4, 3-6, 6-4 to earn a second-round match against Japan's Tatsuma Ito, a 7-6 (6), 6-4 winner over Michael Berrer of Germany.
Gilles Muller of Luxembourg beat No. 7 seed Alex Bogomolov Jr., 6-3, 7-6 (6).
Michael Russell advanced to a second-round meeting with No. 2 seed Kevin Anderson of South Africa with a straight-set win over Donald Young.

http://accesswdun.com/article/2011/7/240431