For months, controversy has gripped the tennis world following two high-profile doping cases involving top-ranked players: Jannik Sinner and Iga Świątek.

The debate reignited on February 15 when the World Anti-Doping Agency (WADA) announced that Sinner had accepted a three-month ban, allowing him to avoid arbitration at the Court of Arbitration for Sport (CAS). Notably, the ban length ensures the Italian player won’t miss any Grand Slam tournaments.

“The anti-doping process is completely flawed,” said Vasek Pospisil, a former Wimbledon doubles champion, in an interview with Sport. “There’s no trust in the system.”

Pospisil, who co-founded the Professional Tennis Players Association (PTPA) with Novak Djokovic, argues that the recent cases highlight inconsistencies in the anti-doping process, with elite players like Sinner and Świątek receiving relatively short bans while lesser-known athletes often face harsher penalties.

“The majority of players feel the system is unfair,” Djokovic stated during the Qatar Open, suggesting favoritism may be at play.

However, Marjolaine Viret, an associate professor at the University of Lausanne specializing in sports law, believes these perceptions stem from the legal complexities of doping cases rather than intentional bias. She noted that while doping cases are inherently complex and take years to resolve, the outcomes for Sinner and Świątek were not particularly unusual.

John William Devine, a senior lecturer in ethics and sport at Swansea University, echoed this sentiment, stating that the public nature of these cases suggests the system is working rather than concealing violations.

Despite this, concerns persist among players regarding transparency, financial disparities, and the way the anti-doping system handles contamination cases.

Contamination: A Justified Explanation or Common Excuse?

Under the principle of strict liability, athletes are automatically held responsible for any banned substance found in their system, regardless of intent. This means that even if a substance is unknowingly consumed through contaminated food or medicine, the athlete is still subject to penalties.

“Contamination is the most used excuse by cheaters, but it’s also a real risk for clean athletes,” explained David Pavot, a professor of sports law at the University of Sherbrooke in Canada.

Sinner tested positive twice for clostebol in March 2023 but initially avoided suspension after an independent tribunal accepted his claim that the banned steroid entered his system via a physiotherapist using an over-the-counter spray.

Świątek’s case was different. She tested positive for trimetazidine, a heart medication, in August and was unable to immediately explain how it entered her system. She served a one-month provisional suspension and later attributed the positive test to contaminated melatonin supplements. After testing the product, the ITIA accepted her explanation.

While the strict liability rule is designed to deter doping and simplify enforcement, critics argue that it disproportionately affects athletes with fewer financial resources. Wealthier players, like Sinner and Świątek, can afford top legal representation to challenge their bans, while lower-ranked players often cannot.

“I’ve seen many players accept bans simply because they can’t afford a lawyer, even if they’re innocent,” Pospisil said, underscoring the financial inequalities within the sport.

As scrutiny over anti-doping policies grows, calls for systemic reform are becoming louder. Whether the governing bodies take action remains to be seen.