Stadium: Court 17 Round: 44
| ITF Women Kazan | 2018/08/04 07:00 | Elizaveta Gurianova v Vaynberg, Sofia | 2-6,2-6 |
| ITF Women Kazan | 2018/07/29 06:00 | Vaynberg, Sofia v Sukhotina, Anastasia | 4-6,1-6 |
| ITF Women Kazan | 2018/07/28 07:00 | Vaynberg, Sofia v Plotnikova, Sofia | 7-6,6-1 |
| Almaty, Singles Qualifying W-WITF-KAZ-01A | 2018/07/11 04:00 | Palkina, Ksenia v Vaynberg, Sofia | 6-3,6-1 |
| Almaty, Singles Qualifying W-WITF-KAZ-01A | 2018/07/10 06:25 | Nesterovich, Olesya v Vaynberg, Sofia | 6-7,2-6 |
| ITF Women Tel Aviv | 2018/06/06 12:05 | Vaynberg, Sofia v Elena-Teodora Cadar | 5-7,2-6 |
| ITF Women Tel Aviv | 2018/06/04 07:30 | Vaynberg, Sofia v Stepan, Constanze | 7-5,0-6,6-1 |
| ITF Women Tiberias | 2018/05/15 10:00 | Pulchartova, Laetitia v Vaynberg, Sofia | 6-2,6-0 |
| ITF Women Kazan | 2018/07/28 07:00 | Kuznetsova, Varvara v Nazarchuk, Polina | 6-1,3-6,3-6 |
| ITF Women Fergana Qual | 2018/06/17 08:30 | Kuznetsova, Varvara v Treshcheva, Sofya | 2-6,4-6 |
| ITF Women Khimki Qual | 2018/04/28 11:35 | Kuznetsova, Varvara v Gabueva, Angelina | 2-6,2-6 |
| Sharm El Sheikh, Singles W-WITF-EGY-09A | 2018/03/27 09:25 | Kuznetsova, Varvara v Olga Helmi | 3-6,2-6 |
| ITF Women Manama | 2018/03/20 11:55 | Kuznetsova, Varvara v Mihalikova, Tereza | 2-6,2-6 |
| ITF Women Kazan | 2018/03/11 07:00 | Kuznetsova, Varvara v Kalinina, Viktoriia | 7-5,5-7,1-6 |
| Moscow, Singles Qualifying W-WITF-RUS-05A | 2018/02/26 07:00 | Nazarkina, Daria v Kuznetsova, Varvara | 6-1,6-1 |
| Moscow, Singles Qualifying W-WITF-RUS-05A | 2018/02/25 08:30 | Tselykovskaya, Anna v Kuznetsova, Varvara | 3-6,3-6 |