Australian Open: Federer defeats Tipsarevic

Roger Federer just defeated Janko Tipsarevic in a cliff hanger 6-7 (5-7) 7-6 (7-1) 5-7 6-1 10-8. In the fifth set, the first 16 games went to the server until Federer came back from 40-0 down to break the Serb's serve. Federer then served out the match.


His next opponent will be either Juan Monaco or Tomas Berdych.

James Blake (12) also advances, beating Sebastian Grosjean, whom he'd never beaten before, battling back from down two sets and then a double-break in fourth.

"That's got to be my biggest comeback — down two sets to love, two sets to one, two breaks; 4-1 in the breaker, 5-3 in the breaker," Blake said. "Just seemed like every time there was a mountain to climb ... couldn't have been a better feeling than to accomplish what I did."

Blake said the key was keeping calm.

"I don't think a lot of people like my chances, but I always do — no matter what my body language says."

Now Lleyton Hewitt and Marcos Baghdatis are vying for a spot in the fourth round.

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