Djokovic wins in straight sets

   Novak Djokovic reached the third round at the U.S. Open with a 7-5, 6-3, 7-6 (6) vin  over 52nd-ranked Philipp Petzschner of Germany.

        Djokovic, the No. 3 seed, will play American wild cared entry James Blake next. The two have played only once before, at the 2008 Olympics. Djokovic won in straight sets.

          Djokovic has made i at least this far in al six times he's played in the U.S. Open. Three times hew as eliminated by Roger Federer. Once in the final in 2007. And twice in the semifinals in 2008 and 2009.

       Said Djokovic of Blake: "James always played well here. He's going to come in aggressively and I'm going to have to be ready for that."

Barbara Barker, aka meanbarb on twitter