Gauff improved to 5-4 against Sabalenka and ended a two-match losing streak including the Wuhan semifinals and the Australian Open semifinals. Sabalenka, who won the Australian Open and U.S. Open titles, ends the year at No. 1.

American Coco Gauff defeated world number one Aryna Sabalenka 7-6(4) 6-3 in the semi-finals of the WTA Finals on Friday and will take on China's Zheng Qinwen in the showpiece match.Sabalenka will end the year at the top of the world rankings but her bid for a maiden WTA Finals title was ended by Gauff who reached her first final at the end-of-season event.

On Friday, Aryna Sabalenka (No. 1 in the world) meets Coco Gauff (No. 3) in the semifinals at the Akron WTA Finals Guadalajara.Sabalenka’s last competition was a win, 6-2, 6-2, over Ashlyn