| UTR Pro Tennis Series Sofia Women | 2021/09/01 12:30 | Daria Shalamanova v Stefana Lazar | 6-3,6-1 |
| UTR Pro Tennis Series Sofia Women | 2021/08/31 09:30 | Martha Matoula v Stefana Lazar | 7-6,6-4 |
| UTR Pro Tennis Series Sofia Women | 2021/08/30 07:00 | Stefana Lazar v Victoria Borodulina | 2-6,5-6 |
| UTR Pro Tennis Series Zadar Women | 2021/08/14 07:00 | Stefana Lazar v Zuzana Zlochova | 2-6,1-6 |
| UTR Pro Tennis Series Zadar Women | 2021/08/13 11:00 | Lucija Faj v Stefana Lazar | 4-6,5-7 |
| UTR Pro Tennis Series Zadar Women | 2021/08/10 12:30 | Leonarda Janko v Stefana Lazar | 4-6,1-5 |
| UTR Pro Tennis Series Zadar Women | 2021/08/09 11:00 | Stefana Lazar v Denise-Antonela Stoica | 6-7,6-4,6-2 |
| UTR Pro Tennis Series Zadar Women | 2021/08/08 08:00 | Zuzana Zlochova v Stefana Lazar | 6-2,5-2 |