Mistakes hamper Swiatek as Rybakina roars back at WTA Finals
Gauff eases past Paolini to breathe life into Finals defence, Sabalenka downs Pegula
Sabalenka makes light work of Paolini as Pegula downs error-prone Gauff at WTA Finals
Anisimova fights back from a set down to beat Keys & claim her first WTA Finals win