Jannik Sinner doping ban: Why three-month suspension is best-case scenario for World No. 1

While the ban may seem hefty, it has worked as favourably as possible in the case of the world’s best tennis player under the scanner for doping violations.

What was the agreement with WADA?

Sinner failed two doping tests in March, testing positive for the anabolic steroid clostebol, in March last year, but was found by the International Tennis Integrity Agency (ITIA) to bear “no fault or negligence” after he successfully appealed his case of accidental contamination. Sinner continued to play on tour and mounted one of the great ATP seasons of this century in 2024.

WADA, however, was unsatisfied with the outcome of the investigation and filed an appeal with the Court for Arbitration for Sport (CAS), a hearing for which was due to take place on April 16.

Pre-empting a potential ban, Sinner effectively settled with the anti-doping body by accepting a three-month ban that will make sure he does not miss any of the upcoming Majors in 2025.

“WADA accepts the athlete’s explanation for the cause of the violation as outlined in the first instance decision. WADA accepts that Mr. Sinner did not intend to cheat, and that his exposure to clostebol did not provide any performance-enhancing benefit and took place without his knowledge as the result of negligence of members of his entourage,” WADA said in a statement.

“However, under the Code and by virtue of CAS precedent, an athlete bears responsibility for the entourage’s negligence. Based on the unique set of facts of this case, a three-month suspension is deemed to be an appropriate outcome,” the body added.

On Sunday, Sinner, a three-time Grand Slam champion, said in a statement: “I have always accepted that I am responsible for my team and realise WADA’s strict rules are an important protection for the sport I love. On that basis I have accepted WADA’s offer to resolve these proceedings on the basis of a 3-month sanction.”

How did the outcome work in Sinner’s favour?

Under ordinary circumstances, had Sinner been found to be guilty, a ban of 1-2 years would be sought by WADA. However, given the offence, an outcome of a 2-3 months-long ban was far more likely.

By coming to a pre-decided settlement though, the timing has worked out perfectly for the Italian. Had the ban been put in place after the scheduled hearing, Sinner would miss both the French Open and Wimbledon, with his preparations for the US Open significantly hampered too.

By serving it in the coming months, Sinner will miss important tournaments at Indian Wells, Miami, Monte Carlos and Madrid, and he is likely to lose his World No. 1 ranking. But he will return in time to play his home tournament in Rome – Italy’s biggest tennis tournament – to prepare for the French Open and then Wimbledon.

Why complaints of preferential treatment will grow

There had neither been an outpour of support nor an avalanche of hatred towards Sinner from his peers as he kept playing despite two failed dope tests.

While most of the locker room treated the case with indifference, there had been those who had complained of preferential treatment that can only be afforded by, and handed to, the best player in the world. Journeymen and women who had similar cases of accidental contamination but were forced to serve lengthy bans and prove their innocence the hard way.

Suspicions of the tennis cognoscenti, however, will naturally be raised as the timing of the supposed punishment has worked out so perfectly for the World No. 1. Former three-time Major winner Stan Wawrinka wrote on X: “I don’t believe in a clean sport anymore…”

“Didn’t realise you could reach a settlement regarding a doping ban… Interesting,” said British player Liam Broady on X.

Former World No. 4 Tim Henman said the case has worked out a bit too ‘conveniently’ for Sinner. “When I read this statement this morning, it just seems a little bit too convenient. It seems that there are words like agreement, and it almost seems like there’s been a negotiation,” he said on Sky Sports.

After Iga Swiatek, the Polish women’s World No. 2, accepted a similar one-month suspension in November having tested positive for the banned substance trimetazidine (TMZ), this case will make the complaints of favourable treatment undoubtedly grow louder in a sport where the gulf between the elite and the rest has expanded to near-breaking point.