WTA Finals: Top seeds Aryna Sabalenka and Iga Swiatek thrashed by Paula Badosa and Maria Sakkari

Paula Badosa overcame a slow start to take down Belarusian top seed Aryna Sabalenka after Maria Sakkari continued her dominance of Iga Swiatek in the round-robin stage of the WTA Finals in Guadalajara, Mexico on Thursday.