Sports · Tennis · published 2026-08-25 · via BBC Sport

Vondrousova challenges four-year doping suspension at CAS

Marketa Vondrousova has appealed to the Court of Arbitration for Sport against her four-year ban for refusing an anti-doping test. The former Wimbledon champion was charged by the ITIA after denying entry to a doping control officer at her home in December 2025. Her suspension is set to run until June 2030, and she has not competed since January.

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The appeal marks the latest development in a case that has drawn significant attention across professional tennis. Vondrousova's defense centers on the circumstances of the December encounter, when she claims the testing officer failed to properly identify themselves and did not follow established protocol. She maintains her refusal came during a period of intense personal strain rather than any attempt to conceal wrongdoing.

The case has also highlighted the strict whereabouts requirements governing professional players, which mandate daily availability for

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