Stadium: Court 1 Round: 29 Ground: Hardcourt outdoor
| ITF W15 Santa Margarita de Montbui | 2021/05/29 08:30 | Oksana Selekhmeteva v Celia Cervino Ruiz | 5-7,6-4,4-6 |
| ITF W15 Santa Margarita de Montbui | 2021/05/28 10:15 | Celia Cervino Ruiz v Mihaela Djakovic | 7-6,2-6,7-6 |
| ITF W15 Santa Margarita de Montbui | 2021/05/27 09:30 | Celia Cervino Ruiz v Nicole Gadient | 7-6,6-4 |
| ITF W15 Santa Margarita de Montbui | 2021/05/26 10:40 | Victoria Bosio v Celia Cervino Ruiz | 5-7,4-6 |
| ITF W25 SM de Montbui | 2021/05/25 09:00 | Celia Cervino Ruiz v Amandine Monnot | 6-3,6-3 |
| ITF W25 SM de Montbui | 2021/05/24 12:00 | Celia Cervino Ruiz v Ariadna Briones Ginesta | 6-0,6-2 |
| ITF W25 Platja d’Aro | 2021/05/16 13:00 | Celia Cervino Ruiz v Sara Cakarevic | 4-6,3-6 |
| ITF W25 Salinas | 2021/05/11 16:15 | Ganna Poznikhirenko v Celia Cervino Ruiz | 6-4,7-5 |
| ITF W15 Santa Margarita de Montbui | 2021/05/29 11:00 | Justina Mikulskyte v Solana Sierra | 6-2,6-3 |
| ITF W15 Santa Margarita de Montbui | 2021/05/28 13:10 | Justina Mikulskyte v Jessica Bouzas Maneiro | 2-6,6-2,7-5 |
| ITF W15 Santa Margarita de Montbui | 2021/05/27 09:30 | Justina Mikulskyte v Adithya Karunaratne | 6-4,6-4 |
| ITF W15 Santa Margarita de Montbui | 2021/05/26 10:40 | Justina Mikulskyte v Nina Rudiukova | 6-1,6-1 |
| ITF W25 Platja d’Aro | 2021/05/16 07:30 | Amanda Carreras v Justina Mikulskyte | 7-6,6-2 |
| ITF W60 Saint-Gaudens | 2021/05/10 14:50 | Tessah Andrianjafitrimo v Justina Mikulskyte | 6-4,6-2 |
| ITF W25 Oeiras | 2021/04/28 12:50 | Justina Mikulskyte v Beatriz Haddad Maia | 2-6,6-7 |
| ITF W25 Oeiras | 2021/04/27 08:55 | Justina Mikulskyte v Adrienn Nagy | 3-6,6-2,10-5 |