Stadium: Court 2 Round: 27 Ground: Hardcourt outdoor
| 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 Women | 2021/10/02 07:00 | Zuzana Zlochova v Nastja Kolar | 3-6,6-4,6-4 |
| UTR Pro Tennis Series Zadar Women | 2021/10/01 12:30 | Ema Bolebruchova v Nastja Kolar | 2-6,1-6 |
| 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 |
| ITF W15 Sozopol | 2021/10/14 16:40 | Radka Zelnickova v Emily Seibold | 6-2,6-2 |
| ITF W15 Sozopol | 2021/10/13 11:15 | Radka Zelnickova v Jade Bornay | 6-3,7-6 |
| WTA Ostrava | 2021/09/18 11:40 | Ana Konjuh v Radka Zelnickova | 6-4,6-1 |
| ITF W25 Jablonec nad Nisou | 2021/09/12 07:30 | Radka Zelnickova v Akvile Parazinskaite | 4-6,6-4,5-10 |
| ITF W15 Warmbad-Villach | 2021/08/19 08:00 | Radka Zelnickova v Caijsa W Hennemann | 6-3,3-6,1-6 |
| ITF W15 Warmbad-Villach | 2021/08/17 12:10 | Nicole Gadient v Radka Zelnickova | 3-6,2-6 |
| ITF W15 Bratislava | 2021/08/14 08:00 | Pia Lovric v Radka Zelnickova | 6-3,4-6,6-1 |
| ITF W15 Bratislava | 2021/08/13 09:55 | Maria F Herazo Gonzalez v Radka Zelnickova | 3-6,6-4,2-6 |