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 had his feathers ruffled early on by local wildcard Tristan Schoolkate on Thursday before ...

Jannik Sinner came into the contest on Rod Laver Arena having won all 13 of his previous Grand Slam meetings against Marcos Giron. Photograph: Kim Kyung-Hoon/Reuters Defending champion Jannik ...

Defending champion Jannik Sinner was not at his fluent best but still had too much firepower for unseeded American Marcos ...

Next up for Sinner as he looks to build on his hardcourt Grand Slam titles in Melbourne and New York last year is American world number 46 Marcos Giron. Sinner might be a little concerned at his ...

MELBOURNE : Defending champion Jannik Sinner was not at his fluent best but still had too much firepower for unseeded American Marcos Giron ... the contest on Rod Laver Arena having won all ...

(AP Photo/Asanka Brendon Ratnayake) Marcos Giron of the U.S. gestures as he walks from Rod Laver Arena following his third round loss to Jannik Sinner of Italy at the Australian Open tennis ...

Defending champion Jannik Sinner was not at his fluent best but still had too much firepower for unseeded American Marcos ...

Ruthless defending champion Jannik Sinner was in the zone Saturday as he powered into the last 16 of the Australian Open with ...

Ruthless defending champion Jannik Sinner was in the zone Saturday as he powered into the last 16 of the Australian Open with ...