Jannik Sinner defeated Carlos Alcaraz 7–6, 7–5 in the ATP Tour Finals final on a hard court, confirming his status as the tournament favourite with odds of 1.5 against Alcaraz's 2.8. Sinner's composed performance in both sets, particularly his ability to secure the opening tiebreak and maintain pressure in the second, proved decisive in claiming the year-end championship. The Italian's victory underlines his ascendancy in men's tennis heading into 2026, having now established a significant edge in their head-to-head record and cemented his position among the sport's elite.