Andy Murray and Novak Djokovic are tied at one set all after the Scot fought back to win the second set 7-6 (7-4).
Vying to lift his first ever Australian Open title, Murray fashioned four set points in the decisive tie break, and clinched the set with an inspired return on the third.
Djokovic had earlier clinched an epic opening set in 72 minutes after an equally tense tie break which he surrendered with a second serve return into the net.
Andy Murray and Novak Djokovic will contest a second set tie break with the match delicately poised.
Vying to lift his first ever Australian Open title, Murray couldn't take advantage of set point at 5-4 on the Djokovic serve.
The Serbian had earlier clinched an epic opening set in 72 minutes after a tense tie break which he surrendered with a second serve return into the net.
Andy Murray has clawed Novak Djokovic back to 4-4 in the second set after breaking the Serbian with a ferocious forehand winner.
World number one Djokovic clinched the opening set in 72 minutes after a tense tie break which could have gone either way.
Novak Djokovic has broken Andy Murray in the second set and leads 3-2 in games as the Scot battles to stay in the Australian Open final.
World number one Djokivc clinched the opening set 7-6 (7-5) following a tense tie break.
Andy Murray's fiancee Kim Sears made light of her apparent outburst during the Scot's semi-final victory over Tomas Berdych as she took her seat for today's final wearing a 'parental advisory explicit content' T-shirt.
She was caught on camera apparently swearing last week as tensions boiled over during a feisty encounter between Murray and Berdych.
Murray is currently one set down against Djokovic in the Melbourne final following a tense tie break which the Serbian clinched 7-5.
Andy Murray breaks back against Novak Djokovic in the tennis final of the Australian Open.
Andy Murray believes it will take 'a big upset' to beat world number Novak Djokovic in Melbourne on Sunday.
Murray has impressed at this year's tournament but knows he will need to step through the gears in order to win an Australian Open final at the fourth attempt.
"Novak has a fantastic record here," Murray explained during a press conference on Saturday. "He loves the court and conditions, it would be quite a big upset if I win."
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