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.

World No. 1 men's singles tennis ace, Jannik Sinner, has made it to the fourth round of the Australian Open. The defending champion showed a lot of composure in a 6-3, 6-4, 6-2 win over Marcos Giron in the third round on Saturday. Sinner bossed the show on the Rod Laver Arena, reaching the 4th round at AO for the 4th time. Here's more.

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.

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

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,