Factbox on Italy's Jannik Sinner, who beat Germany's Alexander Zverev 6-3 7-6(4) 6-3 in the Australian Open final on Sunday to win his third Grand Slam title: JANNIK SINNER Age: 23 Nation: Italy ATP Ranking: 1 Seeding: 1 Grand Slam titles: 3 (Australian Open 2024,

Jannik Sinner, right, of Italy holds the Norman Brookes Challenge Cup after defeating Alexander Zverev of Germany in the men’s singles final at the Australian Open tennis championship in Melbourne, Australia, Sunday, Jan. 26, 2025. (AP Photo/Ng Han Guan)

Italy’s Sinner is the 11th man in the Open Era to retain the title in Melbourne. He had come back from two-sets-to-love down last year to defeat Daniil Medvedev in the summit clash.