Krejcikova defeats Gauff to clinch semifinal spot at WTA Finals
No.8 seed Barbora Krejcikova emerged as the Orange Group winner with a 7-5, 6-4 victory over No.3 Coco Gauff at the WTA Finals Riyadh presented by PIF on Thursday. Both Krejcikova and Gauff have advanced to Friday's semifinals after finishing first and second in their group.