Stadium: Court 5 Round: 54
| ITF Women Fergana Qual | 2018/06/17 08:30 | Varvara Kuznetsova v Sofya Treshcheva | 2-6,4-6 |
| ITF Women Minsk Qual | 2018/06/11 07:00 | Sofya Treshcheva v Mariia Tkacheva | 1-6,4-6 |
| ITF Women Minsk Qual | 2018/06/10 07:00 | Sofya Treshcheva v Anna Martemyanova | 6-2,6-7,7-6 |
| ITF Women Minsk Qual | 2018/06/04 07:00 | Kristina Sorokolet v Sofya Treshcheva | 6-0,6-1 |
| ITF Women Minsk Qual | 2018/06/03 10:00 | Марина Колб v Sofya Treshcheva | 6-7,3-6 |
| ITF Women Tbilisi Qual | 2018/04/30 07:00 | Анастасия Куликова v Sofya Treshcheva | 7-6,6-3 |
| ITF Women Kazan | 2018/03/14 07:00 | Sofya Treshcheva v Anastasia Frolova | 3-6,2-6 |
| ITF Women Kazan | 2018/03/12 10:00 | Valeriya Pogrebnyak v Sofya Treshcheva | 2-6,2-6 |
| ITF Women Fergana Qual | 2018/06/17 08:45 | Gulchekhra Mukhammadsidikova v Изабела Божичевич | 2-6,2-6 |
| ITF Women Namangan Qual | 2018/06/02 10:15 | Дария Астакхова v Изабела Божичевич | 7-5,6-1 |
| ITF Women Andijan Qual | 2018/05/27 08:20 | Алис Черменска v Изабела Божичевич | 7-6,6-4 |
| ITF Women Andijan Qual | 2018/05/26 08:20 | Sobirova Madinabonu v Изабела Божичевич | 1-6,0-6 |
| ITF Women Changwon Qual | 2018/05/20 02:00 | Еунйеонг Парк v Изабела Божичевич | 6-0,2-6,6-1 |
| ITF Women Incheon Qual | 2018/05/13 02:00 | Варвара Флинк v Изабела Божичевич | 6-0,6-0 |
| ITF Women Goyang Qual | 2018/05/06 06:15 | Изабела Божичевич v Еунджи Лим | 7-5,4-6,6-7 |
| ITF Women Canberra Qual | 2018/03/25 02:15 | Jelena Stojanovic v Изабела Божичевич | 7-6,6-3 |