| ITF W15 Sozopol | 2021/10/17 07:30 | Nastja Kolar v Martha Matoula | 7-5,3-6,6-1 |
| ITF W15 Sozopol | 2021/10/15 08:30 | Nastja Kolar v Radka Zelnickova | 6-0,6-3 |
| ITF W15 Sozopol | 2021/10/14 12:30 | Nastja Kolar v Katerina Dimitrova | 6-1,6-0 |
| ITF W15 Sozopol | 2021/10/13 12:25 | Nastja Kolar v Laia Petretic | 6-1,6-4 |
| ITF W15 Sozopol | 2021/10/07 10:40 | Nastja Kolar v Anna Brogan | 2-6,2-6 |
| ITF W15 Sozopol | 2021/10/05 09:00 | Nastja Kolar v Yoana Moneva | 6-0,6-1 |
| UTR Pro Tennis Series Zadar - nők | 2021/10/02 07:00 | Zuzana Zlochova v Nastja Kolar | 3-6,6-4,6-4 |
| UTR Pro Tennis Series Zadar - nők | 2021/10/01 12:30 | Ema Bolebruchova v Nastja Kolar | 2-6,1-6 |