| UTR Pro Tennis Series Beograd Women | 2021/07/16 09:00 | Stefana Lazar v Gaspar-Ivan, Ioana | 2-6,0-5 |
| UTR Pro Tennis Series Bucharest Women | 2021/05/01 06:00 | Stefana Lazar v Gaspar-Ivan, Ioana | 3-6,2-6 |
| UTR Pro Tennis Series Sofia Women | 2021/09/01 12:30 | Shalamanova, Daria 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 Zlochova, Zuzana | 2-6,1-6 |
| UTR Pro Tennis Series Zadar Women | 2021/08/13 11:00 | Faj, Lucia 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 Stoica, Denise-Antonela | 6-7,6-4,6-2 |
| UTR Pro Tennis Series Zadar Women | 2021/08/08 08:00 | Zlochova, Zuzana v Stefana Lazar | 6-2,5-2 |
| UTR Pro Tennis Series Beograd Women | 2021/07/18 09:00 | Darja Semenistaja v Gaspar-Ivan, Ioana | 6-0,6-3 |
| UTR Pro Tennis Series Beograd Women | 2021/07/17 08:30 | Mia Ristic v Gaspar-Ivan, Ioana | 2-6,2-6 |
| UTR Pro Tennis Series Beograd Women | 2021/07/16 09:00 | Stefana Lazar v Gaspar-Ivan, Ioana | 2-6,0-5 |
| UTR Pro Tennis Series Beograd Women | 2021/07/15 10:30 | Ralitsa Alexandrova v Gaspar-Ivan, Ioana | 2-6,1-6 |
| UTR Pro Tennis Series Beograd Women | 2021/07/13 07:30 | Nikol Palecek v Gaspar-Ivan, Ioana | 4-6,6-2,3-6 |
| UTR Pro Tennis Series Beograd Women | 2021/07/12 09:00 | Gaspar-Ivan, Ioana v Daria Lodikova | 6-4,6-4 |
| ITF W15 Prokuplje | 2021/07/07 08:55 | Jana Bojovic v Gaspar-Ivan, Ioana | 7-6,6-3 |
| ITF W15 Prokuplje | 2021/07/02 07:00 | Gaspar-Ivan, Ioana v Darja Semenistaja | 0-6,2-6 |