| ITF W15 Banja Luka | 2021/05/31 09:30 | Mia Ristic v Gvozdenovic, Sara | 6-1,6-2 |
| UTR Pro Tennis Series Zadar Women | 2021/11/18 10:30 | Gvozdenovic, Sara v Lopicic, Andela | 2-6,6-3,3-6 |
| UTR Pro Tennis Series Zadar Women | 2021/11/17 17:30 | Sara Mikaca v Gvozdenovic, Sara | 6-2,6-4 |
| UTR Pro Tennis Series Zadar Women | 2021/11/16 14:30 | Victoria Borodulina v Gvozdenovic, Sara | 6-3,6-1 |
| UTR Pro Tennis Series Bucharest Women | 2021/11/14 08:00 | Gvozdenovic, Sara v Patricia Georgiana Goina | 1-6,2-6 |
| UTR Pro Tennis Series Bucharest Women | 2021/11/13 08:00 | Hristea, Camelia-Elena v Gvozdenovic, Sara | 3-6,1-5 |
| UTR Pro Tennis Series Bucharest Women | 2021/11/11 10:00 | Gvozdenovic, Sara v Diana Ilie | 5-7,1-6 |
| UTR Pro Tennis Series Bucharest Women | 2021/11/10 13:00 | Gvozdenovic, Sara v Dimitrova, Daniella | 6-4,2-6,5-7 |
| UTR Pro Tennis Series Bucharest Women | 2021/11/09 10:00 | Gvozdenovic, Sara v Bianca E Barbulescu | 1-6,1-6 |
| UTR Pro Tennis Series Zadar Women | 2021/11/18 10:30 | Sara Mikaca v Mia Ristic | 2-6,5-6 |
| UTR Pro Tennis Series Zadar Women | 2021/11/17 17:30 | Victoria Borodulina v Mia Ristic | 6-1,2-6,3-6 |
| UTR Pro Tennis Series Zadar Women | 2021/11/15 10:30 | Lopicic, Andela v Mia Ristic | 2-6,5-7 |
| UTR Pro Tennis Series Nis Women | 2021/10/17 14:00 | Karola Bejenaru v Mia Ristic | 3-6,4-6 |
| UTR Pro Tennis Series Nis Women | 2021/10/17 09:30 | Mia Ristic v Zlochova, Zuzana | 6-4,6-4 |
| UTR Pro Tennis Series Nis Women | 2021/10/14 11:00 | Emilija Zdravkovic v Mia Ristic | 0-6,0-5 |
| UTR Pro Tennis Series Nis Women | 2021/10/13 13:00 | Sokovic, Nevena v Mia Ristic | 4-6,3-5 |
| UTR Pro Tennis Series Nis Women | 2021/10/13 08:30 | Iva Sepa v Mia Ristic | 2-6,5-7 |