Stadium: EXTREMADURA Round: 25 Ground: Synthetic outdoor
| ITF W60 Biarritz | 2021/07/12 11:20 | Amanda Carreras v Nahia Berecoechea | 6-3,6-1 |
| ITF W15 Prokuplje | 2021/07/04 09:30 | Martha Matoula v Nahia Berecoechea | 7-6,6-1 |
| ITF W15 Prokuplje | 2021/06/29 09:10 | Nahia Berecoechea v Noka Juric | 6-1,6-7,10-12 |
| ITF W15 Prokuplje | 2021/06/28 10:00 | Natalija Senic v Nahia Berecoechea | 3-6,0-6 |
| ITF W15 Monastir | 2021/06/04 08:30 | Mell E R Gonzalez v Nahia Berecoechea | 6-1,6-4 |
| ITF W15 Monastir | 2021/06/03 11:10 | Nahia Berecoechea v Vladlena Bokova | 7-6,6-4 |
| ITF W15 Monastir | 2021/06/02 08:30 | Nahia Berecoechea v Nadine Keller | 6-3,1-6,6-3 |
| ITF W15 Monastir | 2021/06/01 09:00 | Nahia Berecoechea v Sarah Lisa Aubertin | 6-1,6-0 |