Stadium: Court 7 Round: 25 Ground: Clay
| ITF W25 Platja D’Aro | 2021/05/19 09:00 | Andrea Lazaro Garcia v Ivakhnenko, Valentyna | 6-2,6-4 |
| ITF W60 La Bisbal | 2021/05/10 08:00 | Ivakhnenko, Valentyna v Jessica Pieri | 0-6,2-6 |
| ITF W60 La Bisbal | 2021/05/09 07:55 | Ivakhnenko, Valentyna v Jessica Bouzas Maneiro | 3-6,6-1,10-7 |
| Open d'Australie - Femmes | 2021/01/11 07:40 | Gatto-Monticone, Giulia v Ivakhnenko, Valentyna | 6-2,6-3 |
| ITF W25 Prerov | 2020/09/23 08:00 | Ivakhnenko, Valentyna v Halbauer, Elizabeth | 2-6,7-5,6-7 |
| WTA Prague | 2020/08/30 15:40 | Arruabarrena, L. v Ivakhnenko, Valentyna | 7-5,6-1 |
| Olimpia, Singles Qualifying W-ITF-BRA-04A | 2020/03/11 22:35 | Thaisa Grana Pedretti v Ivakhnenko, Valentyna | 7-6,6-0 |
| ITF W25 Altenkirchen | 2020/02/25 12:30 | Ivakhnenko, Valentyna v Pantuckova, Magdalena | 3-6,2-6 |
| ITF W15 Sibenik | 2021/05/19 14:15 | Oleksandra Oliynykova v Zaja, Anna | 4-6,6-3,6-3 |
| WTA - Stuttgart | 2021/04/17 16:00 | Voegele, Stefanie v Zaja, Anna | 6-1,6-3 |
| ITF W60 Oeiras | 2021/04/12 09:55 | Stephanie Wagner v Zaja, Anna | 6-3,6-2 |
| ITF W60 Oeiras | 2021/04/11 11:25 | Olga Parres Azcoitia v Zaja, Anna | 3-6,2-6 |
| ITF W60 Bellinzona | 2021/04/05 09:40 | Zaja, Anna v Lina Gjorcheska | 5-7,2-6 |
| ITF W60 Bellinzona | 2021/04/04 13:30 | Anna Danilina v Zaja, Anna | 4-6,2-6 |
| ITF W25 Manacor | 2021/03/02 09:50 | Zaja, Anna v Oksana Selekhmeteva | 2-6,2-6 |
| ITF W25 Manacor | 2021/03/01 09:00 | Zaja, Anna v Lazareva, Margarita | 6-0,6-0 |