| ITF Women Istanbul | 2018/10/23 07:00 | Olga Ianchuk v Ipek Oz | 7-5,3-6,1-6 |
| ITF Women Obidos | 2018/10/10 13:55 | Olga Ianchuk v Valeriya Urzhumova | 3-6,0-6 |
| ITF Women Obidos | 2018/10/03 13:00 | Joana Vale Costa v Olga Ianchuk | 2-6,6-4,1-6 |
| ITF Women Podgorica | 2018/09/19 11:10 | Jesika Maleckova v Olga Ianchuk | 1-6,6-2,6-1 |
| ITF Women Podgorica | 2018/09/18 11:30 | Lucia Bronzetti v Olga Ianchuk | 4-6,3-6 |
| ITF Women Sofia | 2018/09/06 09:00 | Katarzyna Piter v Olga Ianchuk | 4-6,6-3,6-7 |
| ITF Women Sofia | 2018/09/04 07:00 | Ayla Aksu v Olga Ianchuk | 4-6,2-6 |
| ITF Women Braunschweig | 2018/08/22 10:00 | Diana Marcinkevica v Olga Ianchuk | 3-6,6-4,4-6 |