Maria Sharapova tested positive for a substance that has been banned by an organization.
A drug test is a technical analysis of a biological specimen , for example urine , hair , blood , breath , sweat , or oral fluid/saliva -- to determine the presence or absence of specified parent drugs or their metabolites . Maria Sharapova . In March 2016 , Sharapova revealed she had failed a drug test at the 2016 Australian Open on January 26 , 2016 . She had tested positive for meldonium , a substance that had been banned , effective January 1 , 2016 by the World Anti-Doping Agency ( WADA ) . On June 8 , 2016 , she was suspended from playing tennis for two years by the International Tennis Federation ( ITF ) .