| ITF Women Den Haag Qual | 2018/06/30 09:30 | Madison Bourguignon v Dewi Dijkman | 5-7,2-6 |
| ITF Women Alkmaar | 2018/06/24 09:00 | Dewi Dijkman v Lexie Stevens | 0-6,0-6 |
| ITF Women Alkmaar | 2018/06/23 08:00 | Dewi Dijkman v Juliette Colard | 6-3,1-6,7-5 |
| ITF Women Kaltenkirchen | 2018/06/17 08:30 | Dewi Dijkman v Juliette Colard | 5-7,6-4,4-6 |
| WTA Hertogenbosch Qual | 2018/06/09 09:20 | Valentini Grammatikopoulou v Dewi Dijkman | 6-3,6-1 |
| ITF Women Cairo | 2017/12/03 08:30 | Dewi Dijkman v Anastasiya Klymenko | 2-6,3-6 |
| ITF Women Hammamet | 2017/11/01 12:25 | Mia Nicole Eklund v Dewi Dijkman | 6-0,6-1 |
| ITF Women Hammamet | 2017/10/23 10:30 | Andjela Novcic v Dewi Dijkman | 6-7,6-2,6-2 |
| ITF Women Bethany Beach Qual | 2018/06/04 13:00 | Ana J C Roeper v Maegan Manasse | 1-6,1-6 |
| ITF Women Antalya | 2018/02/24 07:00 | Ana J C Roeper v Anri Nagata | 1-6,0-6 |
| ITF Women Antalya | 2018/02/17 07:00 | Ali Collins v Ana J C Roeper | 3-6,6-4,6-2 |
| ITF Women Antalya | 2018/02/10 06:00 | Ana J C Roeper v Annelou Nab | 2-6,1-6 |
| ITF Women Antalya | 2018/02/03 06:30 | Ana J C Roeper v Stephanie Judith Visscher | 1-6,0-6 |
| ITF Women Antalya | 2018/01/27 06:30 | Darya Lavrichenko v Ana J C Roeper | 6-1,6-1 |
| ITF Women Antalya | 2018/01/20 08:00 | Ana J C Roeper v Caroline Ilowska | 0-6,2-6 |
| ITF Women Antalya | 2018/01/14 10:30 | Ana J C Roeper v Clara Vlasselaer | 5-7,1-6 |