Marketa Vondrousova reacts to Nick Kyrgios’ doping ban as she fights her own four-year suspension
ATP
Marketa Vondrousova has appeared to take notice of Nick Kyrgios’ latest anti-doping case, sharing a social media post referencing the Australian's one-month suspension just as she continues her own fight against a four-year ban.
The contrast between the two cases is striking: Kyrgios tested positive for cocaine but can return to competition after one month, while Vondrousova was suspended after refusing to provide a sample and has not been accused of testing positive for a banned substance.
Vondrousova was handed a four-year suspension by the International Tennis Integrity Agency (ITIA) in June after refusing an out-of-competition anti-doping test at her home in December 2025. The former Wimbledon champion has always maintained that she never used prohibited substances and argued that the circumstances surrounding the attempted test played a decisive role in her refusal.
The Czech has now taken her case to the Court of Arbitration for Sport (CAS), which confirmed in August that it had received her appeal. Her suspension is currently scheduled to run until June 21, 2030, although no hearing date has yet been set.
The development comes at an especially notable moment, with Kyrgios' own anti-doping case reaching a very different conclusion. The former world No. 13 accepted a one-month suspension after testing positive for cocaine at the Mallorca tournament in June, with the ITIA accepting that the drug had been taken socially outside competition and reducing the standard three-month sanction after he entered an approved treatment programme.
Two very different anti-doping cases
Vondrousova's case has never centered on a positive test. The incident happened on December 3, 2025, when a doping control officer arrived at her home at around 8pm for an out-of-competition test. Vondrousova later said she had reached “breaking point after months of physical and mental stress” and considered the circumstances of the visit an unacceptable intrusion into her privacy.
The independent tribunal that handled the case nevertheless concluded that she had provided “no compelling justification” for refusing the test. That decision resulted in a four-year suspension, which the 2023 Wimbledon champion is now attempting to overturn at CAS.
Marketa Vondrousova won the 2023 Wimbledon ladies title
Vondrousova has repeatedly stressed that she has never doped and pointed to the result of a test conducted just three days after the incident as further evidence supporting her position.
“I have never doped, I have never had a positive test. Throughout my entire career I have undergone countless anti-doping controls and have always stepped on the court with a clear conscience. Just three days after the incident that ultimately changed my life, I was tested again. The result was negative. Just like every test before it.”
Kyrgios' case followed a fundamentally different path. The Australian tested positive for benzoylecgonine, a metabolite of cocaine, from a sample taken in Mallorca. He told investigators that the cocaine had been used socially during a night out before he was due to play, and an independent expert from a WADA-accredited laboratory found that the level detected was consistent with his explanation.
Under the applicable rules, the default suspension was three months, but it could be reduced to one month if Kyrgios entered an ITIA-approved treatment programme. He accepted the sanction and entered the programme, meaning his suspension ended on September 3, subject to completion of the treatment.
Nick Kyrgios on court
Vondrousova now faces a fight for her career
That difference is what makes the timing of Vondrousova's social media activity particularly notable. Kyrgios is now eligible to return to tennis after a case involving an actual positive test, while Vondrousova remains suspended until 2030 despite insisting that she has never used prohibited substances.
For the Czech, the CAS appeal could therefore determine whether her career can continue on the court. Vondrousova has not competed since January and has fallen to No. 153 in the WTA rankings, with the four-year suspension threatening to remove her from professional tennis during what should still be her competitive prime.
is she jealous? pic.twitter.com/nZ7rILuUTm
— szymon (@iloveanisimova) September 4, 2026
Kyrgios, meanwhile, is already free to return after serving his shortened suspension. His own Instagram statement following the positive test was unequivocal as he accepted responsibility for what he called “a huge mistake.”
“I wanted you to hear this from me first. I recently failed a drug test in Mallorca after testing positive for cocaine. I made a huge mistake and I take full responsibility for it.”
He also apologized to his fans, family, sponsors and the children who follow him, acknowledging the example his actions could set. The ITIA has now closed the disciplinary process with a one-month suspension, while Vondrousova's much longer legal battle is still only moving toward its next stage.
Cristhián AvilaTennis Journalist
Cristhián Ávila is a tennis journalist based in Santiago, Chile, and has been part of the TennisUpToDate team since early 2023. He covers the ATP and WTA Tours as well as all four Grand Slams, producing breaking news, match reports, analysis, and regular liveblogs from major tournaments.
His reporting combines statistical analysis with clear explanation, helping readers understand tactical developments, player form, and broader storylines across the tour. Working fluently in both Spanish and English, Cristhián collaborates with an international editorial team and contributes to comprehensive global coverage. As part of his work, he has conducted interviews and media interactions with leading figures in the sport, including Caroline Wozniacki and John McEnroe.
In his journalism, Cristhián places strong emphasis on careful sourcing, editorial accuracy, and updating articles promptly when new, verified information becomes available. His coverage is grounded in research, context, and direct engagement with professional tennis.
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