Results
(x denotes seeding):
Round-robin stage Red Group Simona Halep (ROU x3) bt Madison Keys (USA x6) 6-2 6-4 Angelique Kerber (GER x1) bt Dominika Cibulkova (SVK x7) 7-6 (7-5) 2-6 6-3
(x denotes seeding):
Round-robin stage Red Group Simona Halep (ROU x3) bt Madison Keys (USA x6) 6-2 6-4 Angelique Kerber (GER x1) bt Dominika Cibulkova (SVK x7) 7-6 (7-5) 2-6 6-3