The presenter at the center of Novak Djokovic’s decision to boycott on-court interviews at the Australian Open has apologized to the 24-time Grand Slam champion, saying that he “overstepped the mark.” Channel 9 presenter Tony Jones was overlooking a group of Serbian fans while recording a dispatch from Melbourne Park Friday night.

Novak Djokovic declined to do a customary post-match TV interview at the Australian Open after his win Sunday night to protest comments made on air by someone who works for the official broadcaster of the tournament in the host country.

Tennis star Novak Djokovic refused to participate in a customary post-match interview after advancing to the quarterfinals in the Australian Open on Sunday, blaming the tournament’s official broadcaster after a presenter “decided to mock” Serbian fans.