The integrity of professional tennis has been put under the spotlight once again, as two promising players find their careers on hold after failing drug tests. In a stark reminder that the fight against doping is relentless, Karlis Ozolins of Latvia and Daniil Kakhniuk of the USA have both been handed provisional suspensions, shaking the lower ranks of the sport.
Key Details from the ITIA Ruling
- Karlis Ozolins (Latvia) and Daniil Kakhniuk (USA) have received provisional suspensions.
- Both tested positive for clostebol, an anabolic agent banned by WADA.
- The positive samples were collected during an ITF World Tennis Tour event in San Jose, Costa Rica, on February 17.
- The International Tennis Integrity Agency (ITIA) has mandated the suspensions, offering comprehensive support to the athletes.
Clostebol Controversy: A Banned Substance Shakes the Tour
The International Tennis Integrity Agency (ITIA) confirmed the provisional suspensions after both players provided samples containing metabolites of clostebol. This anabolic agent is unequivocally banned under the World Anti-Doping Agency's (WADA) regulations and the Tennis Anti-Doping Programme. It is classified as a non-Specified substance, indicating its clear performance-enhancing nature.
The samples were taken during an ITF World Tennis Tour event held in San Jose, Costa Rica, on February 17. News of the positive findings has sent ripples through the aspiring professional circuit, highlighting the constant vigilance required to maintain a clean sport.
ITIA's Swift Action: Mandatory Suspension & Player Rights
According to the ITIA, the nature of clostebol necessitated an immediate and mandatory provisional suspension, which came into effect on April 14 for both athletes. This automatic suspension mechanism is a cornerstone of the anti-doping programme when dealing with non-Specified substances.
While both Ozolins and Kakhniuk retain the right to appeal their suspensions, neither player has opted to do so at this time. The anti-doping protocols clearly outline that such a suspension takes effect automatically, awaiting further investigation or appeal.
Aspiring Careers Derailed: The Ozolins & Kakhniuk Story
At 23 years old, both Ozolins and Kakhniuk were striving to climb the professional rankings. Karlis Ozolins, with a career-high singles ranking of No. 618 and doubles No. 546, had shown promise, even winning an M15 ITF event in March. He had reached the semi-finals of the very M25 San Jose tournament where his sample was collected.
Similarly, Daniil Kakhniuk, who reached a career-high of No. 1112 this year, last competed in an M25 event in Las Vegas in March. His participation in the San Jose tournament also ended in the second round. These provisional suspensions immediately bar them from any involvement in sanctioned tennis events globally.
Support Amidst the Storm: ITIA's Holistic Approach
Recognizing the complex challenges players face, the ITIA has affirmed its commitment to supporting both Ozolins and Kakhniuk throughout this process. In line with the Tennis Anti-Doping Programme, they are offering pro-bono legal aid, independent wellbeing support, and financial assistance. This crucial support aims to help the players investigate the source of their positive findings.
Until their cases are fully resolved, neither athlete can participate in, coach at, or even attend any tournaments organized or sanctioned by major tennis bodies, including the ATP, WTA, ITF, the Grand Slams, or any national association. The tennis world watches as this latest doping incident unfolds, reaffirming the sport's dedication to a level playing field.






