Meldonium

Back then the Belarusian men's team was banned from the Olympics after a police raid found 16 meldonium tablets in a room of the women's team coach.

Barring a new or reawakened injury, Williams should beat five-time Slam winner Sharapova, who has struggled since returning from a 15-month suspension for using the banned drug meldonium.

Meldonium was added to the banned list by the World Anti-Doping Agency in 2016 after evidence pointed to it being used to enhance performance as it helped in carrying an increased amount of oxygen to the muscles.

The Indian athletics contingent’s preparation for the upcoming Asian Games was dealt a severe blow after steeplechase runner Naveen Dagar tested positive for banned substance meldonium during the Inter-State Athletics Meet in Guwahati.

The same drug led to a 15-month suspension for tennis star Maria Sharapova, who took meldonium after it was banned.

The World Anti-Doping Agency added Meldonium to its list of banned substances in 2016.