| ITF W60 Grodzisk Mazowiecki | 2021/07/26 09:30 | Nastja Kolar v Akgul Amanmuradova | 6-1,4-6,3-10 |
| ITF W60 Grodzisk Mazowiecki | 2021/07/25 10:10 | Weronika Jasmina Forys v Nastja Kolar | 2-6,1-6 |
| UTR Pro Tennis Series Ricany Women | 2021/07/04 09:00 | Nastja Kolar v Oleksandra Oliynykova | 6-4,3-6,3-6 |
| UTR Pro Tennis Series Ricany Women | 2021/07/03 12:00 | Aneta Laboutkova v Nastja Kolar | 2-6,2-6 |
| UTR Pro Tennis Series Ricany Women | 2021/07/01 09:30 | Tereza Kolarova v Nastja Kolar | 4-6,1-6 |
| UTR Pro Tennis Series Ricany Women | 2021/06/30 11:00 | Katerina Filip v Nastja Kolar | 3-6,3-6 |
| UTR Pro Tennis Series Ricany Women | 2021/06/28 14:30 | Marketa Petruzelova v Nastja Kolar | 5-7,5-6 |
| UTR Pro Tennis Series Ricany Women | 2021/06/26 08:59 | Chantal Skamlova v Nastja Kolar | 6-0,6-2 |
| ITF W15 Cairo | 2021/07/28 12:25 | Bianca E Barbulescu v Diletta Cherubini | 4-6,6-3,4-6 |
| ITF W15 Cairo | 2021/07/27 08:00 | Bianca E Barbulescu v Amira Badawi | 6-1,6-4 |
| ITF W15 Cairo | 2021/07/19 09:30 | Ilinca D Amariei v Bianca E Barbulescu | 7-5,6-4 |
| ITF W15 Cairo | 2021/07/18 14:00 | Elysia Wan v Bianca E Barbulescu | 0-6,3-6 |
| ITF W15 Banja Luka | 2021/06/01 07:00 | Ingrid Vojcinakova v Bianca E Barbulescu | 6-4,6-4 |
| ITF W15 Banja Luka | 2021/05/31 08:00 | Bianca E Barbulescu v Victoria Borodulina | 6-2,4-6,10-7 |
| ITF W15 Banja Luka | 2021/05/30 07:00 | Bianca E Barbulescu v Lola Mireille Glantz | 6-3,6-0 |