Top-ranked Jannik Sinner has steroid case appealed by the World Anti-Doping Agency

Sinner tested positive twice for an anabolic steroid in March but was not banned in a decision by an independent tribunal announced by the International Tennis Integrity Agency on Aug. 20 because the ITIA determined he was not to blame. Sinner's accepted explanation was that the banned performance-enhancer entered his system unintentionally through a massage from his physiotherapist, who had used a spray containing the steroid to treat their own cut finger.