Novak Djokovic says a majority of tennis players have lost faith in the anti-doping authorities following Jannik Sinner’s three-month ban, and there’s a widespread feeling that ‘favouritism’ is being shown to the biggest stars.

The 24-time major winner called on the World Anti-Doping Agency and the International Tennis Integrity Agency to overhaul their processes for dealing with doping cases ‘because the system and the structure obviously doesn’t work.’