<p>The International Tennis Federation has dropped a doping violation charge against American player Maksim Tikhomirov because of a lack of evidence.</p>.<p>Tikhomirov had been charged with evading a doping test while playing a tournament in Cancun, Mexico, in January.</p>.<p>However, the ITF said Tuesday that its Independent Tribunal found there wasn't enough evidence "to be comfortably satisfied that a violation was committed."</p>.<p>The ITF said Tikhomirov was free to compete again with immediate effect, having accepted a provisional suspension in May.</p>.<p>The 30-year-old Tikhomirov reached a career-high singles ranking of 672 last year. </p>
<p>The International Tennis Federation has dropped a doping violation charge against American player Maksim Tikhomirov because of a lack of evidence.</p>.<p>Tikhomirov had been charged with evading a doping test while playing a tournament in Cancun, Mexico, in January.</p>.<p>However, the ITF said Tuesday that its Independent Tribunal found there wasn't enough evidence "to be comfortably satisfied that a violation was committed."</p>.<p>The ITF said Tikhomirov was free to compete again with immediate effect, having accepted a provisional suspension in May.</p>.<p>The 30-year-old Tikhomirov reached a career-high singles ranking of 672 last year. </p>