Nick Kyrgios said he was "embarrassed" by the way Novak Djokovic has been treated in Australia after the Serb won a court challenge to remain in the country for his Australian Open title defence.
Djokovic's fight over his medical exemption from Covid-19 vaccination may not yet be over as he still faces the threat of being detained by the Australian government for a second time and deported despite the court ruling.
Public opinion in Australia, which is battling an Omicron wave of infections and where more than 90% of the adult population is double vaccinated, has been largely against Djokovic, who has confirmed he was unvaccinated.
"I feel quite embarrassed as an Australian athlete that's seen what this guy has done for us and the sport," Kyrgios said in an Instagram video on Tuesday in which he also criticized the media.