World No.1 Ashleigh Barty has qualified for the 2021 WTA Finals in Guadalajara, Mexico. She will be joined by Aryna Sabalenka and Barbora Krejcikova, who are set to make their singles debuts in the year-end championship, along with doubles players Katerina Siniakova, Shuko Aoyama and Ena Shibahara.