Stadium: Court 1 Round: 28 Ground: Hardcourt outdoor
| UTR Pro Tennis Series Zadar Women | 2021/09/30 08:00 | Victoria Chramcova v Nastja Kolar | 0-6,0-6 |
| UTR Pro Tennis Series Zadar Women | 2021/09/28 08:30 | Bojana Marinkovic v Nastja Kolar | 2-6,6-4,6-4 |
| UTR Pro Tennis Series Zadar Women | 2021/09/27 15:30 | Nastja Kolar v Matea Mamic | 2-6,6-1,5-2 |
| ITF W15 Sozopol | 2021/09/19 07:00 | Nastja Kolar v Chiara Catini | 6-4,6-7,3-6 |
| ITF W15 Sozopol | 2021/09/18 07:00 | Nastja Kolar v Dia Evtimova | 7-6,7-5 |
| ITF W15 Sozopol | 2021/09/17 08:35 | Nastja Kolar v Defne Cirpanli | 6-1,6-3 |
| ITF W15 Sozopol | 2021/09/16 12:20 | Nastja Kolar v Gabriela Duca | 6-4,4-6,6-3 |
| ITF W15 Sozopol | 2021/09/14 09:00 | Nastja Kolar v Yoana Moneva | 6-0,6-0 |
| ITF W15 Sozopol | 2021/09/16 07:00 | Polina Pavlova v Julia Terziyska | 2-6,4-6 |
| ITF W15 Sozopol | 2021/09/15 09:30 | Mihaela Tsoneva v Julia Terziyska | 1-6,4-6 |
| ITF W15 Varna | 2021/09/12 06:55 | Julia Terziyska v Daria Mishina | 4-6,4-6 |
| ITF W15 Varna | 2021/09/11 07:00 | Jana Bojovic v Julia Terziyska | 3-6,7-5,4-6 |
| ITF W15 Varna | 2021/09/10 06:55 | Julia Terziyska v Romana Cisovska | 6-4,6-0 |
| ITF W15 Varna | 2021/09/09 06:30 | Julia Terziyska v Vanessa Ersoz | 6-2,6-1 |
| ITF W15 Varna | 2021/09/07 09:05 | Julia Terziyska v Eleonora Alvisi | 6-4,6-3 |
| UTR Pro Tennis Series Sofia Women | 2021/09/02 08:30 | Gabriela Knutson v Julia Terziyska | 7-6,7-6 |