Novak Djokovic retired mid-game during his semi-final clash with Alexander Zverev, who'll now face world No.1 Jannik Sinner in the Australian Open final on Sunday

Zverev will face defending Australian Open champion and No. 1 seed Jannik Sinner, who beat American Ben Shelton 7-6 (2), 6-2, 6-2, in Sunday's final. Zverev is pursuing his first major tournament title.

Novak Djokovic’s quest for a record 25th grand slam title has been cut short at the Australian Open after he stunningly retired from his semifinal match due to a left leg injury. Djokovic was playing against world No.