Stadium: Court 6 Round: 62 Ground: Hardcourt outdoor
| ITF W15 Manacor | 2021/01/31 12:00 | Athina Pitta v Nahia Berecoechea | 1-6,3-6 |
| ITF W15 LPD Gran Canaria | 2020/11/24 10:15 | Ane M D Olmo v Nahia Berecoechea | 6-2,6-2 |
| ITF W15 LPD Gran Canaria | 2020/11/22 09:30 | Andrea S Roque v Nahia Berecoechea | 1-6,0-6 |
| ITF W15 Platja D'Aro | 2020/10/27 09:00 | Nahia Berecoechea v Valeria Koussenkova | 3-6,6-7 |
| ITF W15 Platja D'Aro | 2020/10/26 09:00 | Katriin Saar v Nahia Berecoechea | 6-3,2-6,5-10 |
| ITF W15 Platja D'Aro | 2020/10/25 09:00 | Nahia Berecoechea v Anastasia Veselova | 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 |
| ITF W15 Manacor | 2021/01/31 12:00 | Lucie Petruzelova v Daria Krasnova | 7-5,6-1 |
| ITF W15 Manacor | 2021/01/24 12:00 | Anna Ozerova v Lucie Petruzelova | 6-3,7-6 |
| ITF W15 Manacor | 2021/01/17 11:00 | Jenifer Anger v Lucie Petruzelova | 6-4,6-1 |
| ITF W15 Madrid | 2020/12/08 12:00 | Marie Temin v Lucie Petruzelova | 7-5,6-2 |
| ITF W15 Madrid | 2020/12/06 13:00 | Celine Simunyu v Lucie Petruzelova | 3-6,0-6 |
| ITF W15 Haabneeme | 2020/11/18 11:35 | Lucie Petruzelova v Daniela Vismane | 2-6,2-6 |
| ITF W15 Pazardzhik | 2020/10/27 07:00 | Lucie Petruzelova v Mirela Shkumbova | 4-6,6-2,5-10 |
| ITF W15 Pazardzhik | 2020/10/26 07:30 | Lucie Petruzelova v Andreea Alexandra Lila | 6-3,4-6,10-3 |