Novak Djokovic claims the ‘system is not working well’ amid Jannik Sinner doping case
Novak Djokovic is the latest player to have their say on the Jannik Sinner doping case appeal, as the 24-time Grand Slam champion gears up to return to action. Djokovic is currently in China for the Shanghai Masters, as he prepares to play the ATP 1000 tournament for the first time in five years.