Andy Murray needed all his fighting spirit as he toiled to a four-set win over David Ferrer to reach a second successive Australian Open final. The Briton, seeded fifth, won 4-6 7-6 (7-2) 6-1 7-6 (7-2) to set up a final against Novak Djokovic on Sunday. Murray produced an error-strewn performance in the face of Spaniard Ferrer's class and relentless energy. But he battled back from the brink of a two-set deficit and is now one win away from a first Grand Slam title. "Ferrer's an unbelievable athlete and competitor," Murray said afterwards. "He works so hard. I was expecting an unbelievably tough match and I got it.