Stadium: Court 3 Round: 27 Ground: Hardcourt indoor
| ITF Women Antalya | 2017/02/10 08:00 | Nastja Kolar v Valentyna Ivakhnenko | 2-6,4-6 |
| ITF Women Almaty | 2018/08/29 07:05 | Valentyna Ivakhnenko v Ekaterina Kazionova | 6-1,6-2 |
| ITF Women Almaty | 2018/08/28 09:55 | Valentyna Ivakhnenko v Sofya Lansere | 6-4,6-3 |
| US Open - Kvinder | 2018/08/21 15:00 | Valentyna Ivakhnenko v Marta Kostyuk | 6-4,6-7,6-7 |
| WTA - Moskva | 2018/07/27 09:35 | Valentyna Ivakhnenko v Anastasia Potapova | 6-1,3-6,2-6 |
| WTA - Moskva | 2018/07/25 10:15 | Varvara Flink v Valentyna Ivakhnenko | 6-7,3-6 |
| WTA - Moskva | 2018/07/24 09:55 | Valentyna Ivakhnenko v Danka Kovinic | 6-2,7-5 |
| WTA Moscow Qual | 2018/07/23 10:45 | Veronika Kudermetova v Valentyna Ivakhnenko | 7-6,0-6,5-7 |
| WTA Moscow Qual | 2018/07/23 09:10 | Olga Ianchuk v Valentyna Ivakhnenko | 6-1,0-6,2-6 |
| ITF Women Almaty | 2018/08/29 04:30 | Shalimar Talbi v Nastja Kolar | 1-6,0-6 |
| ITF Women Almaty | 2018/08/27 05:00 | Jiakang Li v Nastja Kolar | 0-6,1-6 |
| ITF Women Fort Worth | 2018/08/02 16:30 | Nastja Kolar v Alexa Graham | 0-6,4-6 |
| ITF Women Fort Worth | 2018/08/01 15:40 | Nastja Kolar v Savannah Broadus | 6-3,6-4 |
| ITF Women Granby | 2018/07/24 15:45 | Nastja Kolar v Erika Sema | 2-6,1-6 |
| ITF Women Honolulu | 2018/07/13 00:30 | Nastja Kolar v Asia Muhammad | 4-6,2-6 |
| ITF Women Honolulu | 2018/07/11 20:00 | Dominique Schaefer v Nastja Kolar | 6-1,5-7,3-6 |
| ITF Women Bastad | 2018/06/27 08:45 | Nastja Kolar v Estelle Cascino | 3-6,1-6 |