Stadium: Court 15 Round: 26
| ITF Women Kazan | 2018/07/31 10:00 | Polina Golubovskaya v Yulia Kulikova | 3-6,6-0,6-3 |
| ITF Women Budapest Qual | 2018/07/07 07:30 | Luca Nagymihaly v Polina Golubovskaya | 6-3,6-3 |
| ITF Women Torun Qual | 2018/06/25 11:40 | Polina Golubovskaya v Laura Svatikova | 7-5,2-6,3-6 |
| ITF Women Torun Qual | 2018/06/25 07:00 | Polina Golubovskaya v Emma Zakordoniec | 7-5,6-2 |
| ITF Women Namangan | 2018/06/05 07:55 | Polina Golubovskaya v Olga Doroshina | 4-6,2-6 |
| ITF Women Andijan | 2018/05/28 07:40 | Polina Golubovskaya v Valeriya Urzhumova | 4-6,3-6 |
| ITF Women Khimki Qual | 2018/04/28 10:10 | Polina Golubovskaya v Vlada Koval | 3-6,2-6 |
| ITF Women Karshi | 2018/04/25 07:50 | Valeriya Strakhova v Polina Golubovskaya | 6-1,6-0 |
| ITF Women Kazan | 2018/07/30 07:00 | Evgeniya Burdina v Maria Timofeeva | 7-6,4-6,2-6 |