Clostebol acetate
World No. 1 Jannik Sinner Cleared After Two Positive Doping Tests: Clostebol Case Explained
Just hours after his triumph at the Cincinnati Masters, which he won with ease, it was announced that Jannik Sinner had tested positive for doping.
The ITIA (International Tennis Integrity Unit) revealed that the Italian tennis player, who is currently ranked No. 1 in the world, tested positive twice for clostebol after a doping test in March but was never penalized.