Overview
- Iga Swiatek began Group Serena Williams with a 6-1, 6-2 win over Madison Keys, sealing the first result of the season-ending event.
- The eight-player field features Sabalenka, defending champion Coco Gauff, Swiatek, Amanda Anisimova, Elena Rybakina, Jessica Pegula, Jasmine Paolini and Keys in two round‑robin groups.
- Sunday’s schedule pits Sabalenka against Paolini before Gauff faces Pegula, with Anisimova meeting Rybakina later on Saturday in the other opening group match.
- The Finals run November 1–8 at King Saud University Indoor Arena, using the round‑robin to semi‑finals format, with an undefeated singles champion earning up to $5.235m.
- This is the second year of a three‑year Riyadh hosting deal that brought record prize money and has drawn scrutiny over human rights concerns and previously sparse weekday crowds.