Stadium: Court 3 Round: 25 Ground: Clay
| ITF W25 Kyiv | 2021/07/20 07:00 | Franziska Sziedat v Maria Sara Popa | 2-6,3-6 |
| ITF W25 Kyiv | 2021/07/18 09:00 | Sonya Kovalenko v Maria Sara Popa | 3-6,2-6 |
| ITF W25 Perigueux | 2021/06/23 12:00 | Salma Djoubri v Maria Sara Popa | 6-4,6-3 |
| ITF W25 Perigueux | 2021/06/21 13:10 | Maelys Bougrat v Maria Sara Popa | 1-6,0-6 |
| ITF W25 Perigueux | 2021/06/21 09:25 | Emma Mazzoni v Maria Sara Popa | 0-6,4-6 |
| ITF W15 Heraklion | 2021/06/09 11:10 | Julia Kimmelmann v Maria Sara Popa | 6-1,6-2 |
| ITF W15 Antalya | 2021/05/25 07:00 | Diana Demidova v Maria Sara Popa | 6-2,6-7,10-7 |
| ITF W15 Antalya | 2021/05/24 07:30 | Ilayda Baykan v Maria Sara Popa | 1-6,0-6 |
| ITF W60 Nur-Sultan | 2021/07/15 03:50 | Ekaterina Shalimova v Marianna Zakarlyuk | 6-1,6-3 |
| ITF W25 Nur-Sultan | 2021/07/07 08:30 | Marianna Zakarlyuk v Jacqueline Cabaj Awad | 3-6,5-7 |
| ITF W25 Salinas | 2021/05/12 17:35 | Marianna Zakarlyuk v Carol Zhao | 7-6,3-6,3-6 |
| ITF W25 Salinas | 2021/05/05 14:00 | Laura Pigossi v Marianna Zakarlyuk | 6-4,6-2 |
| ITF W25 Dubai | 2021/03/31 10:15 | Marianna Zakarlyuk v Jodie Anna Burrage | 1-6,5-7 |
| ITF W25 Dubai | 2021/03/29 11:05 | Indy De Vroome v Marianna Zakarlyuk | 1-6,6-7 |
| ITF W25 Pune | 2021/03/14 04:30 | Laura Pigossi v Marianna Zakarlyuk | 6-0,3-6,7-6 |
| ITF W25 Pune | 2021/03/13 04:30 | Marianna Zakarlyuk v Miriam Bulgaru | 6-7,6-4,6-4 |