WTA Finals: Aryna Sabalenka stunned by Mirra Andreeva as Elina Svitolina battles back vs Karolina Muchova at Indian Wells

Wednesday sees Aryna Sabalenka suffer stunning collapse in WTA Finals thrashing by Mirra Andreeva; Elina Svitolina staged comeback vs Karolina Muchova; Cam Norrie beaten by Taylor Fritz at Stockholm Open; Watch WTA Finals from Indian Wells this week on Sky Sports Tennis