Sabalenka, Pegula post first-up wins at WTA Finals
Top seed Aryna Sabalenka kicked off her WTA Finals campaign with a dominant 6-3 6-1 win over Jasmine Paolini, while defending champion Coco Gauff struggled with double faults as Jessica Pegula beat her 6-3 6-7(4) 6-2 in Riyadh.
