American Coco Gauff had a bitterly disappointing summer but on Saturday the youngster was able to celebrate lifting her first WTA Finals trophy, regaining her confidence after a string of frustrating defeats to end her year on a high note.

Coco Gauff has wrapped up her season as well as possible. She won the WTA Finals and the $4.8 million check that came with the trophy and defeated the women ranked Nos. 1 and 2 along the way.

American Coco Gauff had a bitterly disappointing summer but on Saturday the youngster was able to celebrate lifting her first WTA Finals trophy, regaining her confidence after a string of frustrating defeats to end her year on a high note.

Coco Gauff became the youngest WTA Finals winner since Maria Sharapova in 2004 on Saturday at age 20, and the first American woman to capture the year-ending tournament since Serena Williams in 2014.

Coco Gauff pays attention to what people say about her online and occasionally takes pleasure in clapping back.

Coco Gauff ’s win in the WTA Finals title match Saturday in Riyadh, Saudi Arabia, was secured through a 3-6, 6-4, 7-6 (3) win over Zheng Qinwen in a demanding three-hour battle marked by Gauff’s ability to fight back from deficits in each set.