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The world No 29, Dayana Yastremska, has been provisionally suspended from all tennis activity following a positive doping test. A urine sample given by Yastremska for an out-of-competition test on 24 November contained a metabolite of mesterolone, a synthetic testosterone.
Yastremska has denied committing any offence in a social media statement. “I have never used any performance enhancing drugs or any prohibited substances,” the Ukrainian wrote on Twitter. “I am astonished and under shock, particularly given that two weeks prior to this test, I tested negative at the WTA event in Linz.”