Round: 1
| ITF - W15 Santa Margarita de Montbui | 2021/05/30 09:30 | Celia Cervino Ruiz v Justina Mikulskyte | 2-6,0-6 |
| 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 - W15 Monastir | 2021/04/21 11:10 | Barakat Oyinlomo Quadre v Stacey Fung | 2-6,1-6 |
| ITF - W15 Monastir | 2021/04/20 08:00 | Stacey Fung v Barakat Oyinlomo Quadre | 4-6,4-6 |
| ITF - W15 Monastir | 2021/04/19 14:00 | Francesca Curmi v Barakat Oyinlomo Quadre | 6-3,0-6,6-10 |
| ITF - W15 Monastir | 2021/04/19 10:00 | Joanna Tomera v Barakat Oyinlomo Quadre | 4-6,1-6 |
| ITF - W15 Monastir | 2021/04/12 10:00 | Ela Nala Milic v Barakat Oyinlomo Quadre | 6-1,7-5 |
| ITF - W15 Monastir | 2021/04/11 14:00 | Maria Manilova v Barakat Oyinlomo Quadre | 2-6,2-6 |
| ITF - W15 Monastir | 2021/04/08 08:30 | Barakat Oyinlomo Quadre v Ilona-Georgiana Ghioroaie | 1-6,2-6 |
| ITF - W15 Monastir | 2021/04/06 11:50 | Almudena S-L Fernandez v Barakat Oyinlomo Quadre | 2-6,5-7 |