Jannik Sinner will part ways with veteran coach Darren Cahill after this season, the world's top-ranked tennis player ...

Jannik Sinner is currently having a successful title defense in Melbourne, and is set to face Marcos Giron in the third round ...

Defending champion Jannik Sinner’s consecutive-sets streak has ended in the second round of the Australian Open.

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 ...

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

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

Carlos Alcaraz says he is spurred on by Jannik Sinner's success as he bids to become the youngest man to complete a career ...

Carlos Alcaraz apologised to Jannik Sinner after criticising the world No.1 following his opening-round win at the Australian ...

Teenage qualifier Learner Tien stunned last year's Australian Open runner-up Daniil Medvedev in an epic match ending at ...

MELBOURNE, Jan 15 (Reuters) - Jannik Sinner kicks off the late session at Rod Laver Arena on a busy day for Italians at the Australian Open on Thursday, while claycourt specialist Iga Swiatek is ...

(Photo by Kelly Defina/Getty Images) Kelly Defina/Getty Images LAUSANNE, Switzerland — Top-ranked tennis player Jannik Sinner will go to sport’s highest court in April for the World Anti-Doping Agency ...

LAUSANNE, Switzerland (AP) — 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 ...