Tennis · Italy · ITIA (first instance independent tribunal), then WADA case resolution agreement

Jannik Sinner: doping case, ban and appeal

Ban ended The agreed suspension ran from 9 February 2025 to 4 May 2025 and has been completed.

Violation

Presence and use of a prohibited substance: clostebol (anabolic agent, S1), found at low levels in samples of 10 March 2024 (in competition, Indian Wells) and eight days later (out of competition)^1,2,3

Results disqualified

Results, prize money and ranking points from the 2024 Indian Wells event (ITIA, 20 August 2024)

Appeals

• Independent tribunal convened by Sport Resolutions (first instance), 20 August 2024: No Fault or Negligence, no period of ineligibilityThe tribunal accepted that the substance came from a support team member who applied an over the counter spray containing clostebol to their own skin. Sinner had successfully appealed both automatic provisional suspensions and kept playing.¹
• WADA appeal to CAS (filed September 2024), 15 February 2025: Withdrawn after a case resolution agreementWADA had sought a ban of at least one year. Under the settlement WADA said Sinner did not intend to cheat, but that an athlete bears responsibility for the negligence of the entourage. The 3 month period included credit for four days of provisional suspension already served, and he could return to official training from 13 April 2025.^2,3

Athlete's response

Sinner said he accepted his partial responsibility for the errors made by his team (as reported by the ATP Tour, 15 February 2025).

Sources

1. International Tennis Integrity Agency, Independent tribunal rules No Fault or Negligence in case of Italian player Jannik Sinner (20 August 2024)
2. ATP Tour, Jannik Sinner and WADA statement, February 2025 (15 February 2025)
3. Associated Press (via GPB), Tennis: top ranked Jannik Sinner gets 3 month ban in doping case settlement (15 February 2025)