Novak Djokovic is boycotting Australia's Channel 9 after a reporter made "insulting and offensive" comments during a live broadcast.

Djokovic eased into the quarter-finals after a straight-sets win over Jiri Lehecka but the Serbian then refused to take part in the traditional on-court interview

Carlos Alcaraz and Novak Djokovic have set up a quarterfinal showdown at the Australian Open. Tuesday's contest will be their eighth head-to-head matchup, but their first at Melbourne Park and their first that is neither a semifinal nor a final.