| UTR Pro Tennis Series Zadar Women | 2021/11/21 09:00 | Ema Bolebruchova v Sara Gvozdenovic | 6-4,2-6,3-6 |
| UTR Pro Tennis Series Zadar Women | 2021/11/20 10:30 | Klara Vukicevic v Sara Gvozdenovic | 3-5 |
| UTR Pro Tennis Series Zadar Women | 2021/11/19 10:30 | Sara Gvozdenovic v Mia Ristic | 2-6,4-6 |
| UTR Pro Tennis Series Zadar Women | 2021/11/18 10:30 | Sara Gvozdenovic v Andjela Lopicic | 2-6,6-3,3-6 |
| UTR Pro Tennis Series Zadar Women | 2021/11/17 17:30 | Sara Mikaca v Sara Gvozdenovic | 6-2,6-4 |
| UTR Pro Tennis Series Zadar Women | 2021/11/16 14:30 | Victoria Borodulina v Sara Gvozdenovic | 6-3,6-1 |
| UTR Pro Tennis Series Bucharest Women | 2021/11/14 08:00 | Sara Gvozdenovic v Patricia Georgiana Goina | 1-6,2-6 |
| UTR Pro Tennis Series Bucharest Women | 2021/11/13 08:00 | Camelia-Elena Hristea v Sara Gvozdenovic | 3-6,1-5 |
| UTR Pro Tennis Series Zadar Women | 2021/11/20 15:00 | Chiara Jerolimov v Polina Gubina | 6-2,6-1 |
| UTR Pro Tennis Series Zadar Women | 2021/11/19 13:00 | Polina Gubina v Bojana Jovanovic | 6-1,5-2 |
| UTR Pro Tennis Series Zadar Women | 2021/11/17 13:00 | Polina Gubina v Sapfo Sakellaridi | 0-6,1-5 |
| UTR Pro Tennis Series Zadar Women | 2021/11/16 12:00 | Polina Gubina v Bojana Marinkovic | 6-3,4-6,1-6 |
| UTR Pro Tennis Series Zadar Women | 2021/11/15 09:00 | Mariya Vyshkina v Polina Gubina | 1-6,3-5 |
| ITF W15 Monastir | 2021/07/20 08:30 | Polina Gubina v Solymar Colling | 2-6,1-6 |
| ITF W15 Monastir | 2021/07/11 14:00 | Polina Gubina v Solymar Colling | 1-6,2-6 |
| ITF W15 Antalya | 2021/01/10 07:30 | Polina Gubina v Antonia Schmidt | 6-2,3-6,6-10 |