| ITF Women Rotterdam | 2018/08/19 07:00 | Sina Herrmann v Kelly Versteeg | 2-6,7-5,6-4 |
| ITF Women Oldenzaal | 2018/08/12 13:00 | Dainah Cameron v Kelly Versteeg | 6-2,6-2 |
| ITF Women Koksijde | 2018/08/05 15:05 | Kelly Versteeg v Arianne Hartono | 3-6,7-6,0-6 |
| ITF Women Koksijde | 2018/08/04 12:15 | Dominique Karregat v Kelly Versteeg | 5-7,6-7 |
| ITF Women Les Contamines | 2018/07/26 13:00 | Justine Pysson v Kelly Versteeg | 4-6,6-4,6-3 |
| ITF Women Les Contamines | 2018/07/25 14:40 | Kelly Versteeg v Louise Lampla | 2-6,6-1,6-1 |
| ITF Women Brussels Qual | 2018/07/14 14:50 | Kelly Versteeg v Karla Kilic | 3-6,2-6 |
| ITF Women Knokke | 2018/07/08 08:00 | Kelly Versteeg v Tiphanie Lemaitre | 4-6,6-4,3-6 |
| Lotto NK Tennis Women | 2018/12/11 11:00 | Lizette Blankers v Daevenia Achong | 0-0 |