A shocking turn of events has rocked the tennis world, as the International Tennis Integrity Agency (ITIA) has confirmed that Portuguese player Frederico Ferreira Silva has been slapped with a one-month ban following a failed doping test. This startling revelation stems from an in-competition test conducted back in February 2025, where Silva tested positive for the banned substance trimetazidine (TMZ), a substance that raises serious questions about athlete integrity and the ongoing battle against doping in sports.
In an official statement, the ITIA disclosed that the 30-year-old Silva has accepted a one-month suspension under the Tennis Anti-Doping Programme. The circumstances surrounding Silva’s positive test reveal a complex narrative: the ITIA determined that the presence of TMZ in his system was due to contamination from a prescribed medication, namely Daflon 1000mg. “The ITIA today confirms that Frederico Ferreira Silva… has accepted a one-month suspension… after testing positive for the prohibited substance trimetazidine,” the organization stated, highlighting the gravity of the situation.
What makes this case particularly intriguing is the revelation that Silva was not deemed guilty of intentionally taking a banned substance. The ITIA confirmed that the contamination occurred through a regulated prescription medication, which had been prescribed to Silva by a specialist sports medicine physician and acquired through his national tennis federation. This detail adds layers to the story, as it demonstrates the fine line athletes must navigate between compliance and contamination. “The ITIA accepted that the positive test was caused by the contamination of a regulated prescription medication,” the statement noted, which raises critical discussions about the responsibility of athletes regarding medications.
Though the ruling found Silva with a very low level of fault, the absence of a “No Fault or Negligence” ruling was attributed to a prior recall notice issued by the Agence nationale de sécurité du medicament (ANSM), alerting users of potential contamination in another Daflon product. This aspect of the case underscores the ongoing challenges in the fight against doping, as athletes must constantly be vigilant about what they ingest, even when acting on medical advice.
With the provisional suspension initiated on March 19, 2025, Silva initially faced significant repercussions, but the tides turned following thorough testing at a WADA-accredited laboratory that confirmed the contamination issue. With the ITIA’s independent expert verifying the findings and the appropriate documentation from the dispensing pharmacy, the provisional suspension was subsequently lifted, allowing Silva to return to the sport he loves.
The ITIA concluded their statement with a reassurance to fans and stakeholders alike, indicating that Silva is now free to resume his tennis career. “As such, and in-line with other similar contaminated medication cases under the World Anti-Doping Code, the ITIA offered Silva a one-month suspension, which the player accepted on 15 September 2025,” they stated. With the player having served more than the ineligibility period during his provisional suspension, the tennis community can expect to see him back on the court soon, as he aims to put this chapter behind him and focus on his game.
This incident serves as a potent reminder of the complexities surrounding doping regulations in sports, where even the most unsuspecting scenarios can lead to severe consequences. As the tennis world watches closely, Silva’s experience emphasizes the importance of transparency, education, and vigilance in the ever-evolving landscape of professional athletics.