Novak Djokovic crushed Andy Murray 6-1, 7-5, 7-6(3) on Sunday to match Roy Emerson's record of six Australian Open titles and leave the Briton heartbroken again at Melbourne Park. The defending champion was at his ruthless best under the lights at Rod Laver Arena, mauling Murray in the baseline duels and closing out the match in two hours and 53 minutes.