Coco

RIYADH, Saudi Arabia — Coco Gauff won the WTA Finals for the first time by rallying to beat Olympic champion Zheng Qinwen 3-6, 6-4, 7-6 (2) in the final on Saturday.

The 20-year-old American came from 2-0 and 5-3 down in the final set and was two points from defeat at one stage.

Yet she took the set to a tiebreaker and won the first six points. Zheng threatened a comeback but Gauff took the victory off her third match point with a forehand winner as she came into the net.

She...