The Canadian criticised the WTA for giving Sharapova the chance to compete in tournaments after serving a 15-month doping ban and said the Russian should never be allowed to play again.
Maria Sharapova, who returned to the court from a 15-month doping ban, described victory as the "best feeling in the world".
Former world number one Maria Sharapova will be coming back after a 15-month absence amid criticism.
The five-time Grand Slam champion is hard at training and getting ready for her return to competition tennis at the Stuttgart Grand Prix in April.
The World Anti-Doping Agency's push to expand its operations comes at a time when concerns are being raised over its performance.
Many athletes have wrongly been accused of doping to enhance their performance. The culprit is often the banned ingredients found in over-the-counter medicines.
The Court of Arbitration for Sport says the case has been expedited and a ruling would be made by July 18 at the latest.
International Tennis Federation says tennis player Sharapova still faces meldonium hearing despite new WADA guidance
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