Stadium: Court 3 Round: 62
| ITF Women Alkmaar | 2018/06/23 08:00 | Derivan, Sophia v Ilowska, Caroline | 5-7,6-3,1-6 |
| Matchs amicaux U18 | 2018/07/08 07:30 | Derivan, Sophia v Maelys Bougrat | 6-2,2-6,6-3 |
| ITF Women Den Haag Qual | 2018/07/01 08:00 | Kathleen Kanev v Derivan, Sophia | 7-5,6-0 |
| ITF Women Den Haag Qual | 2018/06/30 07:00 | Derivan, Sophia v Jorge, Vaishali | 6-4,6-3 |
| ITF Women Alkmaar | 2018/06/23 08:00 | Derivan, Sophia v Ilowska, Caroline | 5-7,6-3,1-6 |
| Fed Cup, Matchs en Doubles | 2017/06/14 07:00 | Derivan, Sophia v Kotecha, Sneha | 6-0,4-6,5-7 |
| Fed Cup, Matchs en Doubles | 2017/06/13 07:00 | Derivan, Sophia v Gronholm, Anna Soffia | 6-0,6-2 |
| ITF Women Den Haag Qual | 2018/07/02 08:00 | Ilowska, Caroline v Oliwia Szymczuch | 3-6,6-3,2-6 |
| ITF Women Den Haag Qual | 2018/07/01 10:30 | Kommer, Franziska v Ilowska, Caroline | 4-6,3-6 |
| ITF Women Den Haag Qual | 2018/06/30 07:00 | Antoniou, Katerina v Ilowska, Caroline | 2-6,1-6 |
| ITF Women Alkmaar | 2018/06/26 09:00 | Ilowska, Caroline v Julia Terziyska | 4-6,1-6 |
| ITF Women Alkmaar | 2018/06/24 09:00 | Ilowska, Caroline v Nieuwboer, Perla | 6-1,6-4 |
| ITF Women Alkmaar | 2018/06/23 08:00 | Derivan, Sophia v Ilowska, Caroline | 5-7,6-3,1-6 |
| Sharm El Sheikh, Singles W-WITF-EGY-09A | 2018/04/01 10:30 | Lamis Alhussein Abdel Aziz v Ilowska, Caroline | 6-2,4-6,6-2 |
| Sharm El Sheikh, Singles W-WITF-EGY-09A | 2018/03/18 12:00 | Kubanova, Karolina v Ilowska, Caroline | 6-2,6-7,6-4 |