Sinner regained focus quickly Monday and began his Australian Open title defense with a 7-6 (2), 7-6 (5), 6-1 win over Nicolas Jarry.

No. 1 Jannik Sinner launched his Australian Open title defense with a 7-6 (2), 7-6 (5), 6-1 win over Chile's Nicolas Jarry on Monday.

The two best men's players in the world are reconfiguring the sport before their opponents' eyes. They don't know what to do about it

While Sinner never stopped playing, Jarry missed ten months in 2020 and lost his place on the ranking list, starting from the beginning. Nicolas admitted he would have liked the same support Jannik received following his failed doping test.

Top-ranked tennis player Jannik Sinner will go to sport’s highest court in April for the World Anti-Doping Agency’s appeal that seeks to ban him from the sport for at least one year.

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.

The top-ranked Sinner, who is the defending champion at Melbourne Park, and No. 3 Alcaraz are coming off a 2024 season in which they each won two Grand Slam titles.

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.