[27] Kiki Bertens 6-4,6-7,7-6 Madison Keys [14] 2018-04-08 14:30
Stadium: Credit One Stadium Round: 28 Ground: Clay
Home History
| WTA Charleston | 2018/04/06 23:00 | Alize Cornet v Kiki Bertens | 2-6,5-7 |
| WTA Charleston | 2018/04/05 19:50 | Kiki Bertens v Fanny Stollar | 6-2,6-4 |
| WTA Charleston | 2018/04/04 16:20 | Kiki Bertens v Aleksandra Krunic | 6-4,6-2 |
| WTA Charleston | 2018/04/02 15:30 | Kiki Bertens v Veronica Cepede Royg | 6-4,6-1 |
| WTA Miami | 2018/03/25 16:25 | Venus Williams v Kiki Bertens | 5-7,6-3,7-5 |
| WTA Miami | 2018/03/23 19:45 | Varvara Lepchenko v Kiki Bertens | 7-5,6-7,1-6 |
| WTA Indian Wells | 2018/03/10 22:55 | Serena Williams v Kiki Bertens | 7-6,7-5 |
| WTA Dubai | 2018/02/20 10:00 | Qiang Wang v Kiki Bertens | 6-3,6-0 |
Away History
| WTA Charleston | 2018/04/06 16:40 | Bernarda Pera v Madison Keys | 2-6,7-6,5-7 |
| WTA Charleston | 2018/04/05 18:10 | Camila Giorgi v Madison Keys | 4-6,3-6 |
| WTA Charleston | 2018/04/04 23:00 | Lara Arruabarrena v Madison Keys | 1-6,6-3,3-6 |
| WTA Indian Wells | 2018/03/10 19:00 | Madison Keys v Danielle Rose Collins | 3-6,6-7 |
| WTA Doha | 2018/02/14 12:30 | Catherine Bellis v Madison Keys | 2-6,6-3,6-0 |
| WTA Doha | 2018/02/13 09:00 | Qiang Wang v Madison Keys | 1-6,4-6 |
| Australian Open Women | 2018/01/24 00:00 | Angelique Kerber v Madison Keys | 6-1,6-2 |
| Australian Open Women | 2018/01/22 00:00 | Madison Keys v Caroline Garcia | 6-3,6-2 |