Six-time Major champion Carlos Alcaraz has officially secured the 2025 year-end No. 1 ranking after going undefeated in his round-robin group at the Nitto ATP Finals. The Spaniard sealed the achievement with a victory over Lorenzo Musetti, capping off a perfect 3-0 run in Turin.

The 22-year-old, who also finished 2022 as the world’s top-ranked player, spent the season battling Jannik Sinner for the No. 1 position . But with three wins at the Finals, Alcaraz has mathematically clinched the top spot to close out another remarkable year.

Alcaraz Clinches Year-End No. 1

A Career-Best Season

The 2025 season has easily been the most successful of Alcaraz’s young career — his first year reaching 70 match wins. After a rocky start to the year, he caught fire during a sensational stretch from

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