According to renowned sports scientist Dr. Ross Tucker, there’s a possibility that Jannik Sinner deliberately used the banned anabolic steroid clostebol.

Jannik Sinner and Iga Swiatek each tested positive for a banned substance. Here's where each doping case stands. ...

Jannik Sinner will also play during the second week of the 2025 Australian Open after overcoming Marcos Giron without too many issues. The ATP World No. 1 started the new season on a 14-match ...

World No. 1 Jannik Sinner has confirmed he will split with coach Darren Cahill following the 2025 tennis season.

Top-ranked tennis player Jannik Sinner will go to sport’s highest court in April for the World Anti-Doping Agency’s appeal ...

Defending champion Jannik Sinner has defeated 46th-ranked Marcos Giron of the U.S. 6-3, 6-4, 6-2 at the Australian Open.

Jannik Sinner brought his on-court interview with John McEnroe to an abrupt end after comparisons over their respective ...

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

Carlos Alcaraz had a much quieter offseason. He is an Australian Open shy of a career Grand Slam. If the Spaniard wins in ...

The Court of Arbitration for Sport, (CAS) sport’s highest tribunal, announced on Friday it had set a date for a behind-closed ...

World No 1 Jannik Sinner makes it 16 wins in a row; No 5 seed Daniil Medvedev dumped out of Australian Open by 19-year-old ...

Jannik Sinner continued his purple patch, defeating Tristan Schoolkate and will now face Marcos Giron in the third round of ...