Stadium: Pista Central Round: 25 Ground: Clay
| ITF W25 Seville | 2021/10/18 09:00 | Alice Rame v Caijsa W Hennemann | 3-6,2-6 |
| ITF W25 Seville | 2021/10/17 10:30 | Arina Gabriela Vasilescu v Caijsa W Hennemann | 2-6,6-4,1-10 |
| ITF W25 Budapest | 2021/10/01 11:55 | Caijsa W Hennemann v Natalia Szabanin | 1-6,4-6 |
| ITF W25 Budapest | 2021/09/29 09:15 | Chloe Paquet v Caijsa W Hennemann | 6-3,3-6,2-6 |
| ITF W25 Budapest | 2021/09/28 10:35 | Anastasia Grymalska v Caijsa W Hennemann | 5-7,1-6 |
| ITF W25 Budapest | 2021/09/27 11:00 | Anna Turati v Caijsa W Hennemann | 6-4,1-6,5-10 |
| ITF W15 Melilla | 2021/09/17 13:00 | Caijsa W Hennemann v Noelia Bouzo Zanotti | 2-6,1-6 |
| ITF W15 Melilla | 2021/09/17 09:00 | Caijsa W Hennemann v Camilla Gennaro | 6-4,7-5 |
| ITF W25 Lagos | 2021/10/17 10:00 | Antonia Ruzic v Isabella Shinikova | 6-1,6-4 |
| ITF W25 Lagos | 2021/10/15 09:50 | Isabella Shinikova v Ellen Perez | 7-5,6-3 |
| ITF W25 Lagos | 2021/10/14 12:10 | Isabella Shinikova v Diana Marcinkevica | 6-3,7-5 |
| ITF W25 Lagos | 2021/10/13 11:05 | Isabella Shinikova v Riya Bhatia | 6-2,6-0 |
| ITF W25 Lisbon | 2021/09/29 11:35 | Berfu Cengiz v Isabella Shinikova | 3-6,6-3,7-6 |
| ITF W25 Lisbon | 2021/09/28 09:00 | Nicole Fossa Huergo v Isabella Shinikova | 6-7,2-6 |
| ITF W25 Santarem | 2021/09/25 11:00 | Isabella Shinikova v Daria Snigur | 4-6,3-6 |
| ITF W25 Santarem | 2021/09/24 08:55 | Isabella Shinikova v Pemra Ozgen | 6-3,6-4 |