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Sports Illustrated
Sports Illustrated
Brigid Kennedy

No. 1 Tennis Star Jannik Sinner Accepts 3-Month Ban in Doping Scandal Settlement

Tennis star Jannik Sinner during day 15 of the 2025 Australian Open on Jan. 26, 2025. | Quinn Rooney/Getty Images

Jannik Sinner, the No. 1 tennis player in the world, and the World Anti-Doping Agency (WADA) have agreed to a three-month ban to settle an anti-doping violation stemming from the star's two positive doping tests almost a year ago.

The three-time Grand Slam champion tested positive for banned anabolic steroid Clostebol twice last March, once while in competition at the Indian Wells Masters 1000 tournament and once out of competition roughly a week later. He claimed the trace amounts found in his sample were accidental and the fault of his physiotherapist, Giacomo Naldi, who allegedly treated a cut on his own hand with healing spray containing Clostebol before conducting massages on Sinner.

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