LONDON — The world of professional tennis was confronted with another doping case this week as Argentine veteran Facundo Bagnis has "voluntarily accepted" a provisional suspension after testing positive for a banned substance. The 34-year-old left-hander, currently ranked World No. 178, provided a sample that contained Ligandrol, a selective androgen receptor modulator (SARM) known for its muscle-building properties.
The International Tennis Integrity Agency (ITIA), the sport's independent anti-doping body, confirmed the adverse analytical finding from an in-competition test collected at the I. ČLTK Prague Open Challenger tournament in the Czech Republic on May 21, 2024. Bagnis, who lost in the second round of the event, was notified of the result in June and has not competed since.
In a statement released through the ITIA, Bagnis’s case was outlined: "Facundo Bagnis has been provisionally suspended under Article 8.3.1(c) of the Tennis Anti-Doping Programme (TADP). The sample provided by the player contained LGD-4033 (Ligandrol). Ligandrol is a non-Specified Substance prohibited under category S1.2 ‘Other Anabolic Agents’ of the 2024 WADA Prohibited List."
The Voluntary Provisional Suspension
Unlike some athletes who contest provisional bans, Bagnis has chosen to accept his suspension voluntarily while his case is processed. This legal mechanism, outlined in the TADP, allows a player to effectively step away from competition without admitting guilt, providing time to investigate the source of the substance and prepare a defense. The ITIA emphasized this point, stating "Bagnis’s provisional suspension began on 19 June 2024" and that he agreed to it voluntarily.
This approach is often viewed favorably by tribunals, as it demonstrates a willingness to cooperate with the anti-doping process. A provisional suspension is not a final determination of guilt; it is a protective measure to ensure the integrity of the sport is maintained while a full investigation is conducted. Bagnis now has the opportunity to present his case before an independent tribunal.
Understanding the Banned Substance: Ligandrol
Ligandrol, also known as LGD-4033 or by the brand name Anabolicum, is a substance that has garnered significant attention in the anti-doping world. It is not approved for human use by any major medical regulatory body but is sometimes found in illicit dietary supplements marketed to bodybuilders and athletes. Its effects are similar to anabolic steroids, promoting muscle growth and increasing bone density without the androgenic side effects.
The World Anti-Doping Agency (WADA) categorizes it as a non-Specified Substance, meaning it is prohibited at all times, both in and out of competition. A positive test for a non-Specified Substance can carry a standard four-year ban, though that can be reduced if the athlete can prove the ingestion was unintentional and that they exercised a high degree of caution.
Key characteristics of Ligandrol that make it a concern for anti-doping authorities include:
- Its potency in building lean muscle mass and aiding recovery.
- Its prevalence as a contaminant in unregulated supplements.
- Its detectability in drug tests for extended periods.
Bagnis's Career and Recent Form
Facundo Bagnis is a seasoned clay-court specialist with a career-high singles ranking of World No. 55 achieved in 2016. A mainstay on the ATP Tour and Challenger circuit for over a decade, he has claimed 17 ATP Challenger Tour titles and one ATP Tour doubles title in Santiago in 2022. Known for his grinding baseline game and heavy topspin forehand, he has been a consistent competitor, particularly on his favored clay surfaces.
The 2024 season had been a mixed bag for the Argentine. He qualified for the main draw of the French Open, extending his record for the most Grand Slam main draw appearances by an Argentine man, but fell in the first round. His suspension comes at a critical point in the season, forcing him to miss the North American hard court swing and potentially the remainder of the year, depending on the outcome of his case.
The Precedent of Contaminated Supplements
A common defense in doping cases involving substances like Ligandrol is the argument of supplement contamination. Numerous athletes across various sports have successfully had their bans reduced by proving they ingested the banned substance through a contaminated supplement for which they had no reasonable suspicion.
For this defense to be successful, the athlete must demonstrate:
- The supplement in question was indeed contaminated.
- They exercised a high degree of caution in selecting and using the supplement.
- The contamination was the most likely source of the positive test.
The ITIA and other anti-doping bodies consistently warn athletes of the risks associated with dietary supplements, as the industry is poorly regulated. The principle of strict liability means the athlete is ultimately responsible for any substance found in their body, regardless of how it got there. Bagnis’s legal team will likely scrutinize every product he consumed in the lead-up to the Prague tournament.
The Road Ahead and Potential Sanctions
With the provisional suspension in place, the next phase involves a thorough investigation and a hearing before an independent Anti-Doping Tribunal. Bagnis will have the chance to present evidence, including any scientific analysis of supplements he may have used. The tribunal will then determine whether an Anti-Doping Rule Violation (ADRV) has occurred and, if so, what the appropriate sanction should be.
The potential outcomes and sanctions, as per the TADP, can vary significantly:
- No Fault or Negligence: A rare outcome requiring proof the substance entered the body with no fault.
- No Significant Fault or Negligence: Ban can be reduced to a minimum of two years.
- Standard Violation: A four-year period of ineligibility.
The timing of the suspension is particularly damaging for Bagnis. At 34 years old, a lengthy ban could effectively end his professional career. Even a reduced two-year suspension would see him return to the tour at 36, facing a significant challenge to regain ranking points and form against a new generation of players.
A Stark Reminder for the Tennis Community
The case of Facundo Bagnis serves as a stark reminder of the perils that professional athletes face regarding anti-doping. It highlights the critical importance of vigilance with every substance an athlete consumes. While the "voluntary acceptance" of the suspension suggests a cooperative stance, it does not diminish the seriousness of the situation or the potential consequences for his career and legacy.
The tennis world now awaits the findings of the tribunal. As the ITIA process unfolds, the outcome will be closely watched, not only for its impact on Bagnis but also as another data point in the ongoing global battle for clean sport. For now, another name is added to the list of athletes whose careers have been interrupted by the detection of a banned substance.

