Pegula beats Noskova to advance at WTA Finals, knock out Gauff

Jessica Pegula saved a match point on the way to a three-set victory over Linda Noskova on Thursday to book her WTA Finals last-four berth as Coco Gauff was eliminated.Trailing 5-1 in the second set against Kostyuk she saved three set points in the seventh game to launch a run of six straight games to seize the match.