World Anti-Doping Agency president Craig Reedie believes the International Tennis Federation's anti-doping program is "sound," but suggested his group will conduct a review of protocols following Maria Sharapova's failed drugs test at the Australian Open.
Sharapova revealed on Monday she had tested positive for the banned substance meldonium at the first major tennis tournament of 2016.
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WADA added meldonium to the list of prohibited substances on Jan. 1, a fact Sharapova claimed to be unaware of despite taking meldonium for 10 years because of health reasons.