Novak Djokovic says the majority of tennis players have lost faith in tennis’ doping agencies after Jannik Sinner accepted a three-month ban, and that there are widespread feelings of “favoritism” for the sport’s biggest stars.

Jannik Sinner and the whole doping system's lack of transparency are under fire from across the tennis world after the world number one strikes a deal to accept a three-month ban from WADA.