The world no.1 delivered one of his best performances against the fourth seed to emerge victorious in straight sets 7-5, 6-2, 6-2 and claim his 18th Grand Slam title.
Novak reached the Australian Open final for the ninth time in his career after defeating Russian qualifier Aslan Karatsev in straight sets, 6-3, 6-4, 6-2. He will now face Daniil Medvedev (RUS, 4) in Sunday's final, as he bids to win his 18th Grand Slam title.
Eight-time Australian Open winner set up a semi-final with world no.114 Aslan Karatsev (RUS, Q), following a 6-7 (6), 6-2, 6-4, 7-6 (6) comeback victory over sixth seed Alexander Zverev.
Nole beat no.14 seed Milos Raonic 7-6 (4), 4-6, 6-1, 6-4 for a place in his 12th Australian Open quarter-final. Looking to reach the last 4 in Melbourne, the defending champion will take on no.6 seed Alexander Zverev on Tuesday.
Novak won the five-set epic despite an injury. The top seed and eight-time titlist recorded a 7-6 (1), 6-4, 3-6, 4-6, 6-2 victory in 3 hours and 25 minutes to set a R16 clash with Milos Raonic (CAN, 14, H2H 11-0).
The top seed battled past Frances Tiafoe 6-3, 6-7 (3), 7-6 (2), 6-3 in three hours and 30 minutes to reach the third round of the Australian Open.
In just 91 minutes inside RLA, the top seed and defending champion made a statement behind a 6-3, 6-1, 6-2 victory over Jeremy Chardy.
The 2021 Australian Open draw took place on Friday. Novak, a record-extending eight-time AO champion, is a top seed. He will open title defence against world no.66 Jeremy Chardy of France (H2H 13-0).