Federer trick against Karlovic

The Four-time champion advanced to the fourth round of the Australian Open topping the giant 7-6(6), 7-5, 6-3 in two hours and 17 minutes. In the 1st set tie-break, Karlovic served for set point up 6-5. Roger Federer did the near impossible, scooping up a lob that the 2.08 m Karlovic was unable to handle.