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 defeated top-ranked Aryna Sabalenka 7-6 (4), 6-3 and set up a showdown with Olympic champion Zheng Qinwen ... the largest prize money check in the history of women's professional tennis.

Coco Gauff earned the biggest pay cheque in the history of women’s tennis, pocketing £3.7 million when she defeated Qinwen Zheng to claim the first WTA Finals event to be staged in Riyadh.