Tennis · Czech Republic · ITIA (independent tribunal)

Marketa Vondrousova: doping case, ban and appeal

Under appeal The four year ban imposed by an independent tribunal on 22 June 2026 is under appeal at CAS, which had confirmed receipt of the appeal on 25 August 2026.^5,4

Violation

Refusing or failing to submit to sample collection, at an out of competition test attempt at her home on 3 December 2025^1,2,5

Results disqualified

Not stated in the ITIA announcement

Appeals

• CAS, 25 August 2026: PendingAl Jazeera reported that CAS confirmed receipt of her appeal on 25 August 2026 and that no hearing had yet been scheduled.⁴

Athlete's response

In an April 2026 Instagram post she said: "In that moment it was about feeling safe, not about avoiding anything" (Al Jazeera, 22 June 2026). She says she has never doped.

Sources

1. International Tennis Integrity Agency, Marketa Vondrousova suspended for refusing anti-doping test (22 June 2026)
2. International Tennis Integrity Agency, Full decision in the Marketa Vondrousova case published (31 July 2026)
3. Al Jazeera (AFP), Ex-Wimbledon champion Vondrousova banned for refusing drug test (22 June 2026)
4. Al Jazeera, Ex-Wimbledon champion Vondrousova appeals to CAS over four-year doping ban (25 August 2026)
5. International Tennis Integrity Agency, Current Sanctions (27 October 2026)