Stadium: enter CourtC Round: 62
| Koksijde, Singles W-WITF-BEL-04A | 2018/08/04 10:00 | Casteleyn, Emily v Chantraine, Catherine | 3-6,1-6 |
| ITF Women Brussels Qual | 2018/07/16 12:15 | Maria Vittoria Viviani v Casteleyn, Emily | 6-2,6-2 |
| ITF Women Brussels Qual | 2018/07/15 11:45 | Maelys Bougrat v Casteleyn, Emily | 1-6,3-6 |
| ITF Women Brussels Qual | 2018/07/14 11:40 | Bastin, Juliette v Casteleyn, Emily | 1-6,2-6 |
| ITF Women Knokke | 2018/07/08 12:00 | Casteleyn, Emily v Defossez, Anais | 7-6,1-6,1-6 |
| ITF Women Knokke | 2018/07/07 12:30 | Casteleyn, Emily v Anger, Jenifer | 6-2,6-2 |
| ITF Women Den Haag Qual | 2018/07/02 12:45 | Casteleyn, Emily v Stevens, Lexie | 2-6,2-6 |
| ITF Women Den Haag Qual | 2018/07/01 10:30 | Alice Gillan v Casteleyn, Emily | 6-2,0-6,6-7 |
| ITF Women Don Benito | 2018/07/15 14:30 | Dijkman, Dewi v Perez-Somarriba, Estela | 0-6,3-6 |
| ITF Women Knokke | 2018/07/09 08:00 | Dijkman, Dewi v Carla Touly | 3-6,3-6 |
| ITF Women Knokke | 2018/07/08 08:00 | Verbeeck, Helena v Dijkman, Dewi | 2-6,3-6 |
| ITF Women Knokke | 2018/07/07 11:00 | Dijkman, Dewi v Lemonakis, Maria | 4-6,6-2,7-5 |
| ITF Women Den Haag Qual | 2018/07/02 10:00 | Dijkman, Dewi v Nieuwboer, Perla | 1-6,2-6 |
| ITF Women Den Haag Qual | 2018/07/01 10:30 | Dijkman, Dewi v Cavero Roeper, Ana Jocelijn | 6-2,6-2 |
| ITF Women Den Haag Qual | 2018/06/30 09:30 | Madison Bourguignon v Dijkman, Dewi | 5-7,2-6 |
| ITF Women Alkmaar | 2018/06/24 09:00 | Dijkman, Dewi v Stevens, Lexie | 0-6,0-6 |