WTA Finals: Jessica Pegula saves match ‌point in stunning win over Linda Noskova to send Coco Gauff out and set up Mirra Andreeva clash

Jessica Pegula reaches semi-finals at year-end championships from match point down to send compatriot Coco Gauff packing; American faces Mirra Andreeva for spot in final; You can watch the WTA Finals from Indian Wells this weekend on Sky Sports Tennis