Iga Swiatek, a self-described “control freak,” is taking new precautions — including holding on to extra samples of medicine ...

Jannik Sinner admitted to the media before the Australian Open that there are still many things unclear about the case.

World number one Jannik Sinner said Friday he did not know when the highest court in sport will deliver its verdict as ATP ...

Daniil Medvedev, who lost last year’s Australian Open final to Sinner, said it would be interesting to see “the energy” if ...

Jannik Sinner, ranked world number one, faces uncertainty over a doping controversy as he prepares for the Australian Open.

The US Anti-Doping Agency (USADA) says it “fully supports” the US government’s decision to withhold a $3.625 million payment ...

The World Anti-Doping Agency (WADA) is facing a crisis after the US government refused to make a $3.6 million contribution to ...