Stadium: Court 3 Round: 44 Ground: Clay
| ITF W15 Platja D'Aro | 2020/10/26 09:00 | Saar, Katriin v Nahia Berecoechea | 6-3,2-6,5-10 |
| ITF W15 Platja D'Aro | 2020/10/25 09:00 | Nahia Berecoechea v Veselova, Anastasia | 7-5,1-6,10-8 |
| ITF W25 Marbella | 2020/08/30 14:00 | Elizabeth Jurna v Nahia Berecoechea | 6-2,7-5 |
| Spanish Summer League Women | 2020/07/29 15:30 | Nahia Berecoechea v Victoria Jimenez Kasintseva | 6-7,2-6 |
| Spanish Summer League Women | 2020/07/16 15:00 | Nahia Berecoechea v Cristina Bucsa | 1-6,1-6 |
| Spanish Summer League Women | 2020/07/15 17:15 | Nahia Berecoechea v Claudia Hoste Ferrer | 6-1,4-6,6-1 |
| Vitoria-Gasteiz, Singles W-ITF-ESP-14A | 2019/07/24 16:15 | Nahia Berecoechea v Nuria Parrizas-Diaz | 0-6,1-6 |
| Vitoria-Gasteiz, Singles W-ITF-ESP-14A | 2019/07/23 10:05 | Conde Monfort, Laia v Nahia Berecoechea | 3-6,5-7 |
| ITF - W15 Sharm El Sheikh | 2020/10/11 07:00 | Valeria Koussenkova v Kira Pavlova | 1-6,4-6 |
| ITF - W15 Sharm El Sheikh | 2020/10/07 08:00 | Valeria Koussenkova v Lindh Gallagher, Emilie | 1-6,6-2,4-6 |
| ITF W25 Cairo | 2020/03/10 08:00 | Ya-Hsuan Lee v Valeria Koussenkova | 6-1,6-1 |
| ITF W15 Cairo | 2020/03/05 07:55 | Valeria Koussenkova v Meiling Wang | 0-6,3-6 |
| ITF W15 Cairo | 2020/03/04 08:00 | Valeria Koussenkova v Saumya Vig | 6-2,7-6 |
| Cairo, Singles Qualifying W-ITF-EGY-06A | 2020/02/09 08:30 | Anastasia Gasanova v Valeria Koussenkova | 6-0,6-1 |
| ITF W15 Palmanova | 2020/02/03 09:00 | Valeria Koussenkova v Judith P Saavedra | 6-3,1-6,4-10 |
| Petit-Bourg, Singles Qualifying W-ITF-FRA-02A | 2020/01/21 14:00 | Leonie Kung v Valeria Koussenkova | 6-0,6-1 |