Stadium: Court 4 Round: 44 Ground: Clay
| Minsk, Singles Qualifying W-WITF-BLR-01A | 2018/06/10 07:00 | Treshcheva, Sofya v Martemyanova, Anna | 6-2,6-7,7-6 |
| Minsk, Singles Qualifying W-WITF-BLR-01A | 2018/06/04 07:00 | Sorokolet, Kristina v Treshcheva, Sofya | 6-0,6-1 |
| Minsk, Singles Qualifying W-WITF-BLR-01A | 2018/06/03 10:00 | Maryna Kolb v Treshcheva, Sofya | 6-7,3-6 |
| ITF Women Tbilisi Qual | 2018/04/30 07:00 | Anastasia Kulikova v Treshcheva, Sofya | 7-6,6-3 |
| ITF Women Kazan | 2018/03/14 07:00 | Treshcheva, Sofya v Frolova, Anastasia | 3-6,2-6 |
| ITF Women Kazan | 2018/03/12 10:00 | Pogrebnyak, Valeriya v Treshcheva, Sofya | 2-6,2-6 |
| ITF Women Kazan | 2018/03/11 07:00 | Chikalkina, Anastasia v Treshcheva, Sofya | 6-7,1-6 |
| ITF Women Kazan | 2018/03/10 07:00 | Treshcheva, Sofya v Axyanova, Alisa | 6-3,6-2 |
| Minsk, Singles Qualifying W-WITF-BLR-01A | 2018/06/10 09:30 | Mariia Tkacheva v Iakovleva, Anna | 6-1,6-1 |
| Minsk, Singles Qualifying W-WITF-BLR-01A | 2018/06/09 09:00 | Mariia Tkacheva v Anna Ozerova | 6-3,6-1 |
| Minsk, Singles Qualifying W-WITF-BLR-01A | 2018/06/04 07:00 | Mariia Tkacheva v Elena Malygina | 1-6,2-6 |
| Minsk, Singles Qualifying W-WITF-BLR-01A | 2018/06/03 07:00 | Mariia Tkacheva v Bakuta, Diana | 6-3,6-2 |
| Antalya, Singles Qualifying W-WITF-TUR-08A | 2018/05/14 07:30 | Jennifer Luikham v Mariia Tkacheva | 6-1,7-5 |
| Antalya, Singles Qualifying W-WITF-TUR-08A | 2018/05/13 07:30 | Mariia Tkacheva v Dmitrichenko, Yekaterina | 2-6,7-6,6-2 |
| Antalya, Singles Qualifying W-WITF-TUR-08A | 2018/05/09 10:10 | Mariia Tkacheva v Bovy, Margaux | 1-6,3-6 |
| Antalya, Singles Qualifying W-WITF-TUR-08A | 2018/05/06 07:30 | Drozd Pereira, Erika v Mariia Tkacheva | 7-5,4-6,4-6 |