Wimbledon 2023 Champion Vondrousova Receives Four-Year Ban for Anti-Doping Test Refusal
The 2023 Wimbledon singles champion, Marketa Vondrousova, has been suspended from professional tennis for four years due to her refusal to submit to an anti-doping test. An independent tribunal determined that there was "no compelling justification" for the 26-year-old Czech athlete's failure to provide a sample when approached by a doping control officer at her residence on the night of 3 December 2025, during an out-of-competition test.
As a result of the suspension, Vondrousova is prohibited from participating in, coaching at, or attending any events organized or sanctioned by the International Tennis Federation (ITF), Women's Tennis Association (WTA), Association of Tennis Professionals (ATP), the Grand Slam tournaments, or any national tennis associations until 21 June 2030.
Comments from International Integrity Agency
Karen Moorhouse, chief of the International Integrity Agency (ATIA), emphasized the importance of the testing process despite its challenges for athletes.
“We understand that the testing process is uncomfortable, and acknowledge that it is an additional burden for players whose jobs already come with a high level of pressure and scrutiny, but it is essential to protect fair competition.
“Unpredictable testing is an essential tool to protect clean sport. The independent tribunal ultimately supported that principle. This case is an important reminder that players can be tested at any time, in any place, and that refusal comes with significant risk.”
Details of the Tribunal's Findings
According to a statement from ATIA, Vondrousova, who achieved a career-high singles ranking of world No. 6 in September 2023, stated during the hearing that her decision was influenced by stress, poor mental health, and concerns for her personal safety.
The statement further explained:
“The tribunal considered this in their decision, as well as testimony from the doping control officer who attempted to conduct the test, and concluded that the evidence offered ‘no compelling justification’ for the test refusal.”
Right to Appeal
Both Vondrousova and the ATIA, along with the national anti-doping organization, retain the right to appeal the tribunal’s decision to the Court of Arbitration for Sport.




