Vondrousova appeals against four-year ban for refusing anti-doping test

Former Wimbledon champion Marketa Vondrousova, 27, has appealed to the Court of Arbitration for Sport (CAS) against a four-year ban imposed by the International Tennis Integrity Agency (ITIA). The ban was issued after Vondrousova refused to allow a doping control officer entry to her home to conduct an out-of-competition test in December 2025. If upheld, the ban would run until June 2030.