The 24-time Grand Slam champion opted out of a traditional on-court interview Sunday following his fourth-round win over Czechia’s Jiri Lehecka at the Australian Open, citing “insulting and offensive comments” made toward him by a presenter for Channel 9, which broadcasts the tournament, days prior.

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

Novak Djokovic and Carlos Alcaraz will face off in the Australian Open quarterfinals for the first time. Alcaraz seeks to become the youngest man to achieve a career Grand Slam, while Djokovic aims for his 11th Melbourne title and 25th major singles championship overall.