India, Jan. 26 -- Jannik Sinner clinched his second-straight Australian Open men's singles title on Sunday, beating Germany's Alexander Zverev in straight sets. Sinner registered a commanding 6-3, 7-6(4), 6-3 win in the final; it was his third Grand Slam title and second in succession, following his US Open victory last year. The 23-year-old also became the first Italian to win three Grand Slams.

At 23, Sinner is the youngest man to leave Melbourne Park with the trophy two years in a row since Jim Courier in 1992-93.

Sinner was dominant from the word go, breaking Zverev's serve in the eighth game of the opening set and closing it out emphatically with an ace. The second set was a tightly contested affair, with both players holding serve...