WTA Finals: Linda Noskova dismantles Coco Gauff to reach semi-finals as Jessica Pegula keeps hopes alive with victory

Linda Noskova first through to Indian Wells semi-finals; Coco Gauff and Jessica Pegula both have one win; Noskova faces Pegula on Thursday, while Gauff takes on Marta Kostyuk; watch the WTA Finals this week, live on Sky Sports Tennis