Stadium: COURT 1 Round: 45 Ground: Hardcourt indoor
| Moscow, Singles W-WITF-RUS-05A | 2017/07/15 08:00 | Ivakhnenko, Valentyna v Ianchuk, Olga | 6-4,0-6,6-7 |
| WTA Bucharest Qual | 2018/07/15 12:25 | Ianchuk, Olga v Cagla Buyukakcay | 5-7,7-5,2-6 |
| WTA Bucharest Qual | 2018/07/14 08:35 | Irina Fetecau v Ianchuk, Olga | 3-6,4-6 |
| ITF Women Versmold | 2018/07/11 17:00 | Lena Papadakis v Ianchuk, Olga | 6-1,5-7,6-4 |
| ITF Women Aschaffenburg | 2018/07/03 12:40 | Anna Bondar v Ianchuk, Olga | 6-0,6-3 |
| ITF Women Torun | 2018/06/26 08:30 | Ianchuk, Olga v Burger, Cindy | 6-4,1-6,0-6 |
| ITF Women Essen | 2018/06/13 12:20 | Ianchuk, Olga v Kurata, Nathaly | 5-7,6-2,3-6 |
| ITF Women Essen | 2018/06/12 17:15 | Ianchuk, Olga v Detiuc, Anastasia | 0-6,6-3,6-2 |
| ITF Women Stare Splavy | 2018/06/07 08:00 | Ianchuk, Olga v Tayisiya Morderger | 6-2,2-6,2-6 |
| WTA Gstaad | 2018/07/18 09:00 | Sara Sorribes Tormo v Ivakhnenko, Valentyna | 7-6,6-1 |
| WTA Gstaad Qual | 2018/07/15 12:10 | Ivakhnenko, Valentyna v Allie Kiick | 6-1,6-2 |
| WTA Gstaad Qual | 2018/07/14 17:05 | Ivakhnenko, Valentyna v Naydenova, Aleksandrina | 6-1,6-0 |
| ITF Women Den Haag | 2018/07/06 09:00 | Ivakhnenko, Valentyna v Steur, Julyette Maria Josephine | 3-6,6-2,4-6 |
| ITF Women Den Haag | 2018/07/05 14:40 | Ivakhnenko, Valentyna v Zoe Kruger | 6-2,6-2 |
| ITF Women Den Haag | 2018/07/04 13:30 | Ivakhnenko, Valentyna v Emily Appleton | 6-1,6-1 |
| Wimbledon Women Qual | 2018/06/26 10:55 | Ivakhnenko, Valentyna v Irina Khromacheva | 6-3,3-6,8-10 |
| Hodmezovasarhely, Simples W-WITF-HUN-06A | 2018/06/14 08:00 | Duque Marino, Mariana v Ivakhnenko, Valentyna | 6-4,6-2 |