Overview
- No. 2 Iga Swiatek swept No. 7 Madison Keys 6-1, 6-2 in 61 minutes in Group Serena Williams, her first match since the US Open.
- No. 6 Elena Rybakina beat Amanda Anisimova 6-3, 6-1 in 57 minutes to match Swiatek’s fast start, having qualified as the eighth and final entrant.
- World No. 1 Aryna Sabalenka is scheduled to face No. 8 Jasmine Paolini on Sunday as the round-robin continues.
- No. 3 Coco Gauff meets No. 5 Jessica Pegula in a Group Stefanie Graf clash later on Sunday.
- The season-ending event features the year’s top eight singles players split into two groups, with the top two from each advancing to the semifinals.