| ITF Women Cairo | 2017/12/01 07:30 | Arina Gabriela Vasilescu v Nastja Kolar | 3-6,3-6 |
| UTR Pro Tennis Series Zadar Women | 2021/11/17 14:30 | Nastja Kolar v Nevena Sokovic | 6-2,4-6,4-5 |
| UTR Pro Tennis Series Zadar Women | 2021/11/16 10:30 | Nastja Kolar v Leticia Tarocco | 6-0,6-1 |
| UTR Pro Tennis Series Zadar Women | 2021/11/15 13:30 | Nastja Kolar v Ema Bolebruchova | 6-1,6-2 |
| UTR Pro Tennis Series Bucharest Women | 2021/11/13 10:00 | Andreea Amalia Rosca v Nastja Kolar | 6-0,5-2 |
| UTR Pro Tennis Series Bucharest Women | 2021/11/12 10:00 | Nastja Kolar v Bianca E Barbulescu | 5-7,6-1,5-3 |
| UTR Pro Tennis Series Bucharest Women | 2021/11/10 11:30 | Nastja Kolar v Diana Ilie | 4-6,6-1,5-4 |
| UTR Pro Tennis Series Bucharest Women | 2021/11/09 08:30 | Nastja Kolar v Daniella Dimitrova | 6-1,6-2 |
| UTR Pro Tennis Series Bucharest Women | 2021/11/08 10:00 | Sara Gvozdenovic v Nastja Kolar | 6-3,1-6,2-6 |
| UTR Pro Tennis Series Zadar Women | 2021/11/17 17:50 | Ema Bolebruchova v Arina Gabriela Vasilescu | 0-6,2-6 |
| UTR Pro Tennis Series Zadar Women | 2021/11/17 14:30 | Leticia Tarocco v Arina Gabriela Vasilescu | 2-6,6-6 |
| ITF W15 Heraklion | 2021/11/11 10:35 | Sofia Rocchetti v Arina Gabriela Vasilescu | 7-5,6-4 |
| ITF W15 Heraklion | 2021/11/10 07:00 | Ginevra Montebruno v Arina Gabriela Vasilescu | 3-6,0-6 |
| ITF W15 Heraklion | 2021/11/05 07:00 | Arina Gabriela Vasilescu v Fabienne Gettwart | 7-6,4-6,3-6 |
| ITF W15 Heraklion | 2021/11/04 08:40 | Arina Gabriela Vasilescu v Beatris Spasova | 6-1,6-3 |
| ITF W15 Heraklion | 2021/11/03 07:00 | Arina Gabriela Vasilescu v Alexandra Iordache | 7-6,6-1 |
| ITF W80 Poitiers | 2021/10/24 07:30 | Flavie Brugnone v Arina Gabriela Vasilescu | 4-6,6-3,10-4 |