Carlos Alcaraz defeated Félix Auger-Aliassime 6–2, 6–4 in the semi-final of the ATP Tour Finals on hard court, confirming his status as the pre-match favourite with odds of 1.21 to Auger-Aliassime's 5.06. The Spaniard's commanding performance saw him advance to the final with a straightforward two-set victory, demonstrating the form that has secured his position as tournament favourite. Alcaraz's progression sets up a final against the winner of the other semi-final, while Auger-Aliassime's exit marks the end of his campaign at the season-concluding event.