Federer rallies by Tipsarevic in 5 sets (AP) Defending champion Roger Federer found an extra gear in the fifth set to fend off 49th-ranked Janko Tipsarevic at the Australian Open. Federer was repeatedly forced to rally in the 4 1/2 -hour match before outlasting the Serbian player 6-7 (5), 7-6 (1), 5-7, 6-1, 10-8 Saturday to advance to the fourth round. Publish Date: Sat, 19 Jan 2008 05:52:21 PST Read more...