Sloane Stephens into last four of WTA Finals after beating Angelique Kerber Oct 26, 2018 Stephens made it three wins out of three in the Red Group with a 6-3 6-3 victory in an hour and 40 minutes to set up a last-four contest with Karolina Pliskova Share 0 Share on Facebook Tweet Tweet on Twitter +1 +1 on Google Plus