Overview
- Alexander Zverev fell to Jannik Sinner 4:6, 3:6 in Turin, failing to convert seven break points for a fifth straight loss to the Italian.
- Sinner secured his second group victory to qualify, setting up Zverev’s decisive meeting with Felix Auger-Aliassime for the remaining semifinal spot from their group.
- Felix Auger-Aliassime moved to 1–1 by edging Ben Shelton 4:6, 7:6 (9:7), 7:5, preserving his own path to advance.
- In the other group, Carlos Alcaraz clinched a semifinal place and sealed the year-end No. 1 with a 6:4, 6:1 win over Lorenzo Musetti.
- Alcaraz’s victory sent Alex de Minaur into the semifinals and eliminated Musetti, highlighting how round-robin tiebreaks can hinge on set and match results.