Sky Sports News reporter Geraint Hughes explains why mens world No 1 Jannik Sinner is at risk of being banned from tennis; WADA have launched an appeal against a decision to clear Sinner of responsibility for his two positive tests for banned substance Clostebol earlier in 2024
Following an appeal against Jannik Sinner being cleared of responsibility for testing positive for a banned substance, Sky Sports News’ Geraint Hughes analyses the situation facing men’s tennis world No 1.
Sinner tested positive twice in March this year for a banned anabolic steroid called Clostebol which is derived from testosterone. In line with anti-doping processes throughout professional sport, Sinner provided a sample to anti-doping controllers. He first did so on Marc