Novak Djokovic stood with his hands on his hips, listening intently to Andy Murray — his longtime on-court rival and now, stunningly, his coach at the Australian Open — between sets at Rod Laver Arena.

After dropping his opening set at the Australian Open to Nishesh Basavareddy, Noavk Djokovic eventually asserted himself for a victory to begin his bid for an 11th championship at Melbourne Park and a record 25th major title overall.