Coco Gauff storms back from 5-1 down to beat Marta Kostyuk at the WTA Finals

INDIAN WELLS, California: Coco Gauff rallied to win the final six games of the match and beat Marta Kostyuk 6-4, 7-5 in her round-robin group at the WTA Finals on Thursday. Then came more suspense. Gauff’s eventual fate depended on the outcome of fellow American Jessica Pegula’s match against Wimbledon champion Linda Noskova later. A victory by Pegula would knock…