Stadium: Court 5 Round: 25
| Antalya, Singles Qualifying W-WITF-TUR-08A | 2018/01/27 07:30 | Vishnevskaya, Ekaterina v Koval, Vlada | 6-7,3-6 |
| ITF Women Andijan Qual | 2018/05/27 10:00 | Koval, Vlada v Yahshilikova, Aziza | 6-1,6-1 |
| ITF Women Andijan Qual | 2018/05/26 05:55 | Koval, Vlada v Yusupova, Guzal | 6-7,6-4,6-2 |
| ITF Women Khimki Qual | 2018/04/29 11:45 | Koval, Vlada v Zeleva, Valeriya | 6-3,4-6,0-6 |
| ITF Women Khimki Qual | 2018/04/28 10:10 | Golubovskaya, Polina v Koval, Vlada | 3-6,2-6 |
| Antalya, Singles Qualifying W-WITF-TUR-08A | 2018/03/28 07:30 | Flink, Varvara v Koval, Vlada | 6-2,6-4 |
| Antalya, Singles Qualifying W-WITF-TUR-08A | 2018/03/21 08:35 | Koval, Vlada v Caroline Romeo | 7-6,5-7,1-6 |
| Antalya, Singles Qualifying W-WITF-TUR-08A | 2018/03/13 08:55 | Koval, Vlada v Rebecca Sramkova | 7-5,2-6,3-6 |
| Moscow, Singles W-WITF-RUS-05A | 2018/03/02 11:05 | Koval, Vlada v Sofya Lansere | 5-7,4-6 |
| ITF Women Khimki Qual | 2018/04/29 14:00 | Ekaterina Yashina v Vishnevskaya, Ekaterina | 6-7,7-5,6-3 |
| ITF Women Khimki Qual | 2018/04/28 15:30 | Vishnevskaya, Ekaterina v Draginja Vukovic | 6-3,6-2 |
| Karshi, Singles W-WITF-UZB-01A | 2018/04/25 07:45 | Vishnevskaya, Ekaterina v Ekaterina Yashina | 3-6,6-2,5-7 |
| Karshi, Singles W-WITF-UZB-01A | 2018/04/23 08:35 | Tolibova, Sadafmoh v Vishnevskaya, Ekaterina | 6-7,1-6 |
| ITF Women Karshi Qual | 2018/04/22 05:00 | Vishnevskaya, Ekaterina v Grinchishina, Alexandra | 6-4,6-1 |
| Shymkent, Singles W-WITF-KAZ-08A | 2018/04/12 05:50 | Flink, Varvara v Vishnevskaya, Ekaterina | 6-1,6-1 |
| Shymkent, Singles W-WITF-KAZ-08A | 2018/04/11 07:50 | Urzhumova, Valeriya v Vishnevskaya, Ekaterina | 6-1,6-7,2-6 |
| Shymkent, Singles W-WITF-KAZ-08A | 2018/04/10 04:00 | Horackova, Gabriela v Vishnevskaya, Ekaterina | 7-5,0-6,6-7 |