Ukrainian tennis player Yastremska’s doping appeal denied

<p>LONDON &mdash; Professional tennis player Dayana Yastremska’s latest appeal of her provisional doping suspension was denied Tuesday, keeping her sidelined.</p>
<p>The 20-year-old Ukrainian, who has been ranked as high as No. 21, originally was suspended in January for failing an out-of-competition drug test. She tested positive for mesterolone metabolite, a prohibited substance that can be used to boost testosterone.</p>
<p>Yastremska has denied using performance enhancers or prohibited substances.</p>
<p>She has filed multiple appeals of her ban, without success.</p>
<p>Yastremska has won three WTA singles titles. Her best showing at a Grand Slam tournament was reaching the fourth round at Wimbledon in her main-draw debut there in 2019.</p>
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