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

Ruthless defending champion Jannik Sinner was in the zone Saturday as he powered into the last 16 of the Australian Open with a straight-sets thrashing of American Marcos Giron. The American, who was bidding to reach the last 16 at a Grand Slam for the first time,

Jannik Sinner returns to the court at the Australian Open to face American Marcos Giron, ranked 46th in the world. After a comeback against Tristan Schoolkate, the South Tyrolean will compete in

Defending champion Jannik Sinner was not at his fluent best but still had too much firepower for unseeded American Marcos Giron as he sealed a 6-3 6-4 6-2 win and reached the fourth round of the Australian Open on Saturday.

Jannik Sinner notched his 10th consecutive win at the Australian Open, and made it 17 straight hard court wins at the majors. Photo Source: Getty Jannik Sinner found himself in a tight spot at the end of the first set with Marcos Giron on Saturday night in Rod Laver Arena.

Ruthless defending champion Jannik Sinner was in the zone Saturday as he powered into the last 16 of the Australian Open with a straight-sets thrashing of American Marcos Giron.

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World no. 1 Jannik Sinner extended his winning streak at hard-court Majors. The Italian faced Marcos Giron in the third round of the Australian Open at Rod Laver Arena and scored a 6-3, 6-4, 6-2 in two hours and one minutes.

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.

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 had his feathers ruffled early on by local wildcard Tristan Schoolkate on Thursday before recovering his ice-cool composure to reach the third round of the Australian Open with a 4-6 6-4 6-1 6-3 win.