| Date | R | HEIM v AUSWÄRTS | - |
|---|---|---|---|
| 01/11 03:00 | 28 | [15] Ashleigh Barty v Kiki Bertens [9] | 6-7,6-4,7-5 |
| 01/10 05:45 | 27 | [44] Yulia Putintseva v Kiki Bertens [9] | 2-6,2-6 |
| 01/09 23:00 | 26 | Garbine Muguruza v Kiki Bertens | Walkover |
| 01/07 06:00 | 25 | [69] Bernarda Pera v Kiki Bertens [9] | 5-7,4-6 |
| 01/07 02:30 | - | Johanna Konta v Kiki Bertens | Cancelled |
| 01/07 01:00 | - | Anastasija Sevastova v Kiki Bertens | Cancelled |
| 01/10 04:25 | 26 | Garbine Muguruza v Kiki Bertens | 6-3,7-6 |
| 01/08 09:15 | 25 | Kristie Ahn v Kiki Bertens | 2-6,4-6 |