| UTR Pro Tennis Series - Zadar - Feminino | 2021/10/01 12:30 | Ema Bolebruchova v Nastja Kolar | 2-6,1-6 |
| UTR Pro Tennis Series - Zadar - Feminino | 2021/08/11 09:30 | Nastja Kolar v Ema Bolebruchova | 6-1,1-1 |
| UTR Pro Tennis Series - Bucareste - Feminino | 2021/11/13 10:00 | Andreea Amalia Rosca v Nastja Kolar | 6-0,5-2 |
| UTR Pro Tennis Series - Bucareste - Feminino | 2021/11/12 10:00 | Nastja Kolar v Bianca E Barbulescu | 5-7,6-1,5-3 |
| UTR Pro Tennis Series - Bucareste - Feminino | 2021/11/10 11:30 | Nastja Kolar v Diana Ilie | 4-6,6-1,5-4 |
| UTR Pro Tennis Series - Bucareste - Feminino | 2021/11/09 08:30 | Nastja Kolar v Daniella Dimitrova | 6-1,6-2 |
| UTR Pro Tennis Series - Bucareste - Feminino | 2021/11/08 10:00 | Sara Gvozdenovic v Nastja Kolar | 6-3,1-6,2-6 |
| UTR Pro Tennis Series - Burgas - Feminino | 2021/10/31 07:30 | Julia Terziyska v Nastja Kolar | 6-1,5-4 |
| UTR Pro Tennis Series - Burgas - Feminino | 2021/10/29 09:30 | Nevena Sokovic v Nastja Kolar | 3-6,0-6 |
| UTR Pro Tennis Series - Burgas - Feminino | 2021/10/28 06:30 | Yoanna Radulova v Nastja Kolar | 1-6,3-5 |
| UTR Pro Tennis Series - Niš - Feminino | 2021/10/13 08:30 | Nevena Sokovic v Ema Bolebruchova | 6-0,1-0 |
| UTR Pro Tennis Series - Niš - Feminino | 2021/10/12 12:30 | Iva Sepa v Ema Bolebruchova | 2-6,6-1,6-1 |
| UTR Pro Tennis Series - Zadar - Feminino | 2021/10/02 12:00 | Victoria Borodulina v Ema Bolebruchova | 6-2,5-2 |
| UTR Pro Tennis Series - Zadar - Feminino | 2021/10/01 12:30 | Ema Bolebruchova v Nastja Kolar | 2-6,1-6 |
| UTR Pro Tennis Series - Zadar - Feminino | 2021/09/29 09:30 | Ema Bolebruchova v Matea Mamic | 3-6,6-3,6-3 |
| UTR Pro Tennis Series - Zadar - Feminino | 2021/09/28 08:30 | Ema Bolebruchova v Victoria Chramcova | 6-1,5-1 |
| UTR Pro Tennis Series - Zadar - Feminino | 2021/09/27 15:30 | Bojana Marinkovic v Ema Bolebruchova | 6-3,3-6,6-5 |
| UTR Pro Tennis Series - Říčany - Feminino | 2021/09/23 09:00 | Kristina Zamecnikova v Ema Bolebruchova | 6-1,6-3 |