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.

Nine’s veteran sport host has apologised on air “for any disrespect” felt by the 10-time Australian Open champion, as the Serbian Council of Australia call for him to be fired.