Stadium: Court 6 Round: 25 Ground: Clay
| ITF Women Moscow Qual | 2018/02/26 07:00 | Sofya Treshcheva v Viktoriia Kalinina | 6-1,7-5 |
| ITF Women Antalya | 2018/01/28 07:30 | Sina Zuger v Sofya Treshcheva | 6-4,6-1 |
| ITF Women Antalya | 2018/01/09 08:00 | Dagmar Dudlakova v Sofya Treshcheva | 6-2,6-2 |
| ITF Women Heraklion | 2017/11/18 09:00 | Svenja Ochsner v Sofya Treshcheva | 6-3,6-7,7-6 |
| ITF Women Istanbul | 2017/08/09 08:00 | Sofya Treshcheva v Dana Kremer | 1-6,3-6 |
| ITF Women Istanbul | 2017/08/07 09:00 | Natalia Nikolopoulou v Sofya Treshcheva | 3-6,0-6 |
| ITF Women Istanbul | 2017/08/06 09:30 | Mariya Ponomareva v Sofya Treshcheva | 6-3,1-6,6-7 |
| ITF Women Istanbul | 2017/08/03 11:10 | Chihiro Muramatsu v Sofya Treshcheva | 6-3,6-1 |
| ITF Women Stuttgart | 2018/01/23 12:00 | Nina Alibalic v Valeriya Zeleva | 3-6,6-4,6-1 |
| ITF Women Hong Kong | 2018/01/03 02:00 | Valeriya Zeleva v Hiroko Kuwata | 2-6,1-6 |
| ITF Women Hong Kong | 2018/01/01 02:00 | Chin-Wei Chan v Valeriya Zeleva | 1-6,4-6 |
| ITF Women Hong Kong | 2017/12/27 02:00 | Valeriya Zeleva v Pei-Chi Lee | 1-6,2-6 |
| ITF Women Hong Kong | 2017/12/25 02:00 | Ying Zhang v Valeriya Zeleva | 4-6,6-1,3-6 |
| ITF Women Sharm El Sheikh | 2017/10/20 14:00 | Valeriya Zeleva v Sandra Samir | 0-6,0-6 |
| ITF Women Sharm El Sheikh | 2017/10/19 16:15 | Valeriya Zeleva v Maria Patrascu | 7-6,6-1 |
| ITF Women Sharm El Sheikh | 2017/10/17 14:00 | Valeriya Zeleva v Elena De Santis | 6-1,6-1 |