Stadium: Court 10 Round: 25
| ITF Women Rotterdam | 2018/08/19 07:00 | Hering, Katharina v Dijkman, Dewi | 6-1,6-2 |
| ITF Women Oldenzaal | 2018/08/13 07:30 | Arabella Koller v Dijkman, Dewi | 6-4,6-3 |
| ITF Women Oldenzaal | 2018/08/12 09:30 | Casteleyn, Emily v Dijkman, Dewi | 6-4,5-7,5-7 |
| 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 Rotterdam | 2018/08/25 15:30 | Marina Bassols Ribera v Natalia Siedliska | 6-2,6-2 |
| ITF Women Rotterdam | 2018/08/24 08:00 | Tayisiya Morderger v Natalia Siedliska | 6-1,4-6,1-6 |
| ITF Women Rotterdam | 2018/08/23 11:40 | Hering, Katharina v Natalia Siedliska | 3-6,1-6 |
| ITF Women Rotterdam | 2018/08/22 10:55 | Munozova, Anette v Natalia Siedliska | 1-6,2-6 |
| ITF Women Hechingen Qual | 2018/08/05 15:30 | Natalia Siedliska v Skamlova, Chantal | 7-6,3-6,1-6 |
| ITF Women Horb Qual | 2018/07/24 12:35 | Kennel, Karin v Natalia Siedliska | 6-4,6-2 |
| ITF Women Horb Qual | 2018/07/23 13:00 | Pipa, Shaline-Doreen v Natalia Siedliska | 3-6,3-6 |
| Matchs amicaux U18 | 2018/07/10 08:00 | Natalia Siedliska v Yudanov, Marina | 3-6,6-7 |