
Novak Djokovic has set up a blockbuster Australian Open quarter-final showdown with Carlos Alcaraz but also has the host broadcaster in his sights, demanding an apology.
Ten-time champion Djokovic overcame 23-year-old Czech Jiri Lehecka on Sunday, winning 6-3 6-4 7-6 (7-4) to keep alive his quest for a record 25th grand slam singles title.