World number one Jannik Sinner advanced to the Australian Open last 16, defeating American Marcos Giron in straight sets in Melbourne. Ruthless Sinner

Jannik Sinner says he "still has room to improve" in his Australian Open title defence after beating Marcos Giron to reach the fourth round.

Follow live text and radio commentary featuring Emma Raducanu, Iga Swiatek, Jannik Sinner in the Australian Open in Melbourne, Australia.

MELBOURNE – 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 night, reaching the fourth round at Melbourne Park for the ...

MELBOURNE, Australia (AP) — 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 night, reaching the fourth round at Melbourne Park for the fourth time.

USA's Learner Tien hits a return against France's Corentin Moutet Italy's Jannik Sinner hits a return against USA’s Marcos Giron ... the semi-finals at Melbourne Park. She faces world number ...

World number one Jannik Sinner continues his Australian Open title defence against Marcos Giron in the third round - follow live.

MELBOURNE, Australia (AP) — Defending champion Jannik Sinner has defeated 46th-ranked Marcos Giron of the U.S. 6-3 ... into the fourth round at Melbourne Park for the fourth time.

World no.1 Jannik Sinner will be aiming to defend his Australian Open title while World no.2 Alexander Zverev is eyeing his maiden Grand Slam. The match starts at 2 PM IST.

Jannik Sinner has claimed back-to-back Open titles after dispatching world No.2 Alexander Zverev in straight sets to complete a dominant tournament for the world No.1.

Italian tennis star Jannik Sinner secures his third Grand Slam title with a commanding win at the Australian Open.

Factbox on Italy's Jannik Sinner, who beat Germany's Alexander Zverev 6-3, 7-6(4), 6-3 in the Australian Open final