Stadium: Court 4 Round: 27
| ITF Women Chisinau | 2016/10/05 07:00 | Perper, Alexandra v Kolb, Nadya | 6-1,6-4 |
| ITF Women Chornomorsk | 2018/09/26 08:55 | Perper, Alexandra v Helbet, Julia | 6-0,4-6,6-0 |
| ITF Women Chornomorsk | 2018/09/25 11:10 | Perper, Alexandra v Maryna Kolb | 6-1,6-3 |
| ITF Women Dobrich | 2018/09/20 07:00 | Anna Bondar v Perper, Alexandra | 5-7,6-4,6-4 |
| ITF Women Dobrich | 2018/09/19 09:30 | Ani Vangelova v Perper, Alexandra | 1-6,6-4,1-6 |
| ITF Women Varna | 2018/09/13 06:30 | Georgia Andreea Craciun v Perper, Alexandra | 6-4,6-7,7-6 |
| ITF Women Varna | 2018/09/12 06:30 | Gvozdenovic, Sara v Perper, Alexandra | 5-7,4-6 |
| ITF Women Varna | 2018/09/10 10:00 | Beatris Spasova v Perper, Alexandra | 1-6,0-6 |
| Sofia, Singles W-WITF-BUL-01A | 2018/09/02 11:00 | Cao, Siqi v Perper, Alexandra | 4-6,6-2,7-6 |
| ITF Women Chornomorsk | 2018/09/26 07:30 | Mariya Poduraeva v Kolb, Nadya | 0-6,0-6 |
| ITF Women Chornomorsk | 2018/09/25 09:30 | Bokova, Vladlena v Kolb, Nadya | 2-6,2-6 |
| ITF Women Budapest | 2018/08/22 08:00 | Kolb, Nadya v Veronika Erjavec | 3-6,0-6 |
| ITF Women Kazan | 2018/03/13 07:00 | Kolb, Nadya v Mishina, Daria | 2-6,2-6 |
| Moscow, Singles W-WITF-RUS-05A | 2018/02/27 06:00 | Kolb, Nadya v Anastasia Gasanova | 4-6,2-6 |
| ITF Women Trnava | 2018/02/04 12:00 | Kolb, Nadya v Dudlakova, Dagmar | 2-6,6-4,4-6 |
| ITF Women Milovice Qual | 2017/11/27 09:00 | Kolb, Nadya v Stummer, B. | 1-6,2-6 |
| ITF Women Minsk | 2017/11/23 08:15 | Kolb, Nadya v Kruzhkova, Daria | 2-6,2-6 |