| UTR Pro Tennis Series Burgas Women | 2021/10/29 09:30 | Sokovic, Nevena v Kolar, Nastja | 3-6,0-6 |
| UTR Pro Tennis Series Zadar Women | 2021/11/16 10:30 | Kolar, Nastja v Leticia Tarocco | 6-0,6-1 |
| UTR Pro Tennis Series Zadar Women | 2021/11/15 13:30 | Kolar, Nastja v Bolebruchova, Ema | 6-1,6-2 |
| UTR Pro Tennis Series Bucharest Women | 2021/11/13 10:00 | Rosca, Andreea Amalia v Kolar, Nastja | 6-0,5-2 |
| UTR Pro Tennis Series Bucharest Women | 2021/11/12 10:00 | Kolar, Nastja v Bianca E Barbulescu | 5-7,6-1,5-3 |
| UTR Pro Tennis Series Bucharest Women | 2021/11/10 11:30 | Kolar, Nastja v Diana Ilie | 4-6,6-1,5-4 |
| UTR Pro Tennis Series Bucharest Women | 2021/11/09 08:30 | Kolar, Nastja v Dimitrova, Daniella | 6-1,6-2 |
| UTR Pro Tennis Series Bucharest Women | 2021/11/08 10:00 | Gvozdenovic, Sara v Kolar, Nastja | 6-3,1-6,2-6 |
| UTR Pro Tennis Series Burgas Women | 2021/10/31 07:30 | Julia Terziyska v Kolar, Nastja | 6-1,5-4 |
| UTR Pro Tennis Series Zadar Women | 2021/11/16 09:00 | Bolebruchova, Ema v Sokovic, Nevena | 0-6,2-5 |
| UTR Pro Tennis Series Bucharest Women | 2021/11/14 08:00 | Sokovic, Nevena v Dimitrova, Daniella | 0-6,7-6,7-5 |
| UTR Pro Tennis Series Bucharest Women | 2021/11/13 07:00 | Sokovic, Nevena v Anil, Cemre | 6-2,5-4 |
| UTR Pro Tennis Series Bucharest Women | 2021/11/11 07:00 | Sokovic, Nevena v Gaspar-Ivan, Ioana | 2-6,2-5 |
| UTR Pro Tennis Series Bucharest Women | 2021/11/10 08:30 | Sokovic, Nevena v Floriana Popovici | 6-2,5-1 |
| UTR Pro Tennis Series Bucharest Women | 2021/11/09 10:00 | Sokovic, Nevena v Tsoneva, Mihaela | 4-6,6-6 |
| UTR Pro Tennis Series Bucharest Women | 2021/11/08 08:30 | Sokovic, Nevena v Stefana Lazar | 6-2,5-2 |
| UTR Pro Tennis Series Burgas Women | 2021/10/30 09:30 | Sokovic, Nevena v Gebriela Mihaylova | 6-7,6-2,3-6 |