Stadium: Court 4 Round: 62
| Matchs amicaux U18 | 2018/07/08 11:30 | Oleksandra Oliynykova v Callios, Sandy | 7-6,6-1 |
| ITF Women Den Haag | 2018/07/04 11:05 | Stevens, Lexie v Oleksandra Oliynykova | 6-4,6-1 |
| ITF Women Alkmaar | 2018/06/30 12:00 | Greet Minnen v Oleksandra Oliynykova | 7-6,6-7,6-4 |
| ITF Women Alkmaar | 2018/06/29 09:00 | Pipa, Shaline-Doreen v Oleksandra Oliynykova | 2-6,2-6 |
| ITF Women Alkmaar | 2018/06/28 10:00 | Oleksandra Oliynykova v Julia Terziyska | 7-6,6-3 |
| ITF Women Alkmaar | 2018/06/26 17:25 | Kommer, Franziska v Oleksandra Oliynykova | 5-7,2-6 |
| ITF Women Nanjing Qual | 2018/04/01 02:00 | Qinwen Zheng v Oleksandra Oliynykova | 6-3,6-4 |
| ITF Women Nanjing Qual | 2018/03/25 04:30 | Emma Raducanu v Oleksandra Oliynykova | 7-6,6-1 |
| Matchs amicaux U18 | 2018/07/08 11:30 | Derivan, Sophia v Ilowska, Caroline | 3-6,6-0,3-6 |
| 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 |