Carlos Alcaraz has clinched the year-end world No. 1 ranking in men's tennis after defeating Lorenzo Musetti at the ATP Finals in Turin. The 22-year-old Spaniard secured the coveted top spot by sweeping his group at the prestigious tournament.

Alcaraz's victory over Musetti was decisive, with a final score of 6-4, 6-1. The match, which lasted one hour and 23 minutes, saw Alcaraz maintain his perfect start to the ATP Finals. The first set was tightly contested until the later stages, with Musetti holding serve well until he was down 4-5. Alcaraz then applied pressure, eventually breaking Musetti to take the set. Alcaraz dominated the second set, breaking Musetti at love to take a 3-1 lead and ultimately winning the set and the match.

By securing the year-end No. 1 ranking, Alcaraz prevents Italian Jannik Sinner from potentially claiming the top spot. This is the second time in Alcaraz's career that he has finished the year as the world No. 1, with the first instance occurring in 2022 when he was 19 years old, making him the youngest player to achieve this feat.

Alcaraz's path to victory at the ATP Finals included a win against Alex de Minaur. With his win over Musetti, Alcaraz tops the Jimmy Connors Group standings and advances to the semi-finals. Alex de Minaur also advances to the semi-finals from the Jimmy Connors Group.

Throughout the 2025 season, Alcaraz has achieved remarkable success, including winning his second consecutive French Open title and his second US Open title. He also claimed his first Monte Carlo, Rome, and Cincinnati titles. Alcaraz has demonstrated his versatility by winning titles on grass, clay, and hard courts for the third consecutive year. He reached the quarterfinals of all four major tournaments for the first time in his career. Alcaraz's current ATP ranking is No. 1 with 11,050 points.

Looking ahead, Alcaraz is set to lead Spain in the Davis Cup Finals in Bologna. Spain will face the Czech Republic in the quarterfinals on November 20.