'I haven't done anything wrong': Jannik Sinner speaks on anti-doping case - video

Jannik Sinner broke his silence after an independent tribunal cleared the Italian tennis player of fault or negligence for two positive anti-doping tests. The world No 1, who tested positive for clostebol in March, said: 'I always believe that I kept playing tennis because in my mind I knew that I haven't done anything wrong'.

• I haven't done anything wrong': Sinner hits back in anti-doping case