The men's world No. 1 could face a two-year ban. Here's what to know about the doping proceedings against him so far

As we said, Jannik failed two doping tests carried out during the BNP Paribas Open in Indian Wells, testing positive for Clostebol. The Italian was first acquitted by the independent ITIA tribunal, but - as we now know - WADA appealed to the CAS in Lausanne, asking for 1-2 years of suspension.

As the controversy surrounding his doping violations bubbles away, Jannik Sinner admits he was unsure what kind of reception he would meet from Australian Open crowds.

Iga Swiatek, a self-described “control freak,” is taking new precautions — including holding on to extra samples of medicine she takes, in case they need to be tested at some point — after a doping case she describes as probably the worst time in her life.

Jannik Sinner was pleased to receive a warm welcome at the 2025 Australian Open in Melbourne despite an ongoing doping controversy. Sinner defeated Chile’s Nicolas Jarry in straight sets to qualify for the second round.

Jannik Sinner has started his Australian Open title defense with a challenging win over No. 35-ranked Nicolas Jarry

Australian Open champ Jannik Sinner began his title defense in straight sets style, overpowering Chile's Nic Jarry 7-6(2), 7-6(5), 6-1. In the second set tiebreak, Sinner had a lot of nervy moments but got to set point with a poor drop shot from his opponent.