Simona Halep and Madison Keys kick off play on Day 1 of the WTA Finals

The Red Group kicks off on Day 1 of the BNP Paribas WTA Finals Singapore presented by SC Global on Sunday. Can Madison Keys finally solve the riddle that has been Simona Halep? The two have faced off three times in the last four months with the counter-punching Romanian sweeping the head-to-head this year. Halep leads the head-to-head 4-1. Join the WTA Insider Live Blog from Singapore, starting with the Opening Ceremonies at 4:00pm local time. Matches begin at 5:00pm.