For instance, the case of Tsao Chia-yi, who opted for a voluntary provisional suspension after testing positive for methylephedrine during an anti-doping control at January’s WTAASBClassic in Auckland, New Zealand... ....
Two days later, on 12 March, tennis player Tsao Chia-yi opted for a voluntary provisional suspension after testing positive for methylephedrine in a doping test at the WTAASBClassic tournament in Auckland, New Zealand.