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 “favoritism” is being shown to the sport’s biggest stars.

Despite testing positive for a banned substance, Tennis world number one Jannik Sinner has only been banned for three months. Novak Djokovic spoke of "favoritism," while Alexander Zverev called the case "odd.