Novak Djokovic has set up a Australian Open quarter-final showdown with Carlos Alcaraz but also has the host broadcaster in his sights, demanding an apology.

It comes after Channel Nine broadcaster Tony Jones mocked Serbian fans on Australian TV on Friday night as well as Djokovic, calling him "over-rated" and a "has-been".

Australian Open 'Lead Commentator' Robbie Koenig joined D'Arcy Waldegrave to preview the match.

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