Novak Djokovic knows all too well the mountain he must scale to capture an elusive record 25th Grand Slam crown, but the Serbian great is not ready to “walk out with a white flag” just yet. 

The 38-year-old was gifted passage into an Australian Open semi-final showdown with Jannik Sinner after Lorenzo Musetti retired hurt when in complete control of their last-eight clash, 6-4, 6-3, 1-3.