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On Monday, the International Tennis Integrity Agency (ITIA) announced that Marketa Vondrousova, the 2023 Wimbledon champion and former world No. 6, was suspended for four years after refusing to take an anti-doping test in December 2025.
The decision immediately made global headlines because of Vondrousova's accomplishments in the sport, the substantial length of the ban, the details of the allegations -- and Vondrousova's explanation.
So what exactly is Vondrousova accused of and how does this case compare with those of other high-profile players in recent years? Here's everything we know at this point.