Coco Gauff and Iga Swiatek win their WTA Finals opening matches in straight sets
CANCUN, Mexico: US Open champion Coco Gauff earned the first WTA Finals victory of her career on Monday night, breezing past three-time major runner-up Ons Jabeur 6-0, 6-1 in a round-robin match interrupted for a little more than an hour by rain.


