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

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

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

Jannik Sinner (No. 1 ranking) will take on Marcos Giron (No. 46) in the Round of 32 of the Australian Open on Friday, January ...

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

Defending champion Jannik Sinner’s consecutive-sets streak ended in the second round of the Australian Open, but he advanced ...

Defending champ Jannik Sinner drops set for first time since October, but rallies for win; American Danielle Collins plays ...

In a match slated for Tuesday, Tristan Schoolkate (No. 173 in rankings) will meet Jannik Sinner (No. 1) in the Round of 64 at ...

Taylor Fritz, the highest-seeded American man at the Australian Open, needed only 82 minutes to defeat Cristian Garin on ...

Defending champion Jannik Sinner lost his first set since October but recovered to beat Tristan Schoolkate and reach the ...

Jannik Sinner and Elina Svitolina won their respective Round 3 matches and advanced to the pre-quarters. While Sinner beat Marcos Giron in straight sets, Svitolina got the better of Jasmine Paolini.