Novak Djokovic says the doping case involving Jannik Sinner is not helping tennis at all while Italian is confident of a positive outcome; watch all the ATP and WTA action on Sky Sports Tennis and Sky Sports+ which is integrated into Sky TV,

Novak Djokovic says the Jannik Sinner doping scandal ‘is not helping our sport at all’ and shows that tennis ‘has a system that is not working well’. Djokovic spoke to reporters at the Shanghai Masters this week and seemed angry when talking about the controversy around Sinner, which is refusing to go away.