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Andy Murray has advanced to his fourth Australian Open final and a chance to win his third Grand Slam title with a 6-7 6-0 6-3 7-5 semifinal win over Tomas Berdych.
Murray broke Berdych's serve in the 11th game of the 4th set and clinched the match with an ace to advance to Sunday's final against either Novak Djokovic or defending champion Stan Wawrinka - who contest their semi-final on Friday.
Earlier on Thursday, Serena Williams needed nine match points before beating Madison Keys 7-6 6-2 to set up an Australian Open ladies final against second-seeded Maria Sharapova.
Sharapova beat 10th seeded Ekaterina Makarova 6-3, 6-2 in an all-Russian semifinal.
Ominously for Sharapova going into Saturday's final is that she's lost her last 15 head-to-head matches to Serena, .
