October 24, 2018
Who will win the Red Group? Kiki Bertens booked her spot in the semifinals after Naomi Osaka was forced to retire? WTA Insider has the Red Group scenarios for Friday.
October 21, 2018
A day of upsets put Elina Svitolina and Karolina Pliskova on the brink of qualifying for the semifinals, while Caroline Wozniacki and Petra Kvitova have to fight to stay in. Here's what has to happen on Tuesday.