Overview
- Iga Swiatek swept Madison Keys 6-1, 6-2 and Elena Rybakina beat Amanda Anisimova 6-3, 6-1 in their openers to take early control of the group.
 - Swiatek has defeated Rybakina in all four of their meetings this season, shifting a rivalry she once trailed.
 - Monday’s order of play lists Swiatek vs Rybakina not before 2pm GMT, followed by Anisimova vs Keys in Riyadh.
 - Group permutations published by event coverage note Swiatek advances as group winner if she and Keys win, while Rybakina tops the group if she and Anisimova win.
 - In the Stefanie Graf group, Aryna Sabalenka beat Jasmine Paolini 6-3, 6-1 and Jessica Pegula defeated defending champion Coco Gauff in three sets, leaving Gauff under pressure in round-robin play.