| UTR Pro Tennis Series Zadar Women | 2021/09/28 10:00 | Victoria Borodulina v Sapfo Sakellaridi | 3-6,5-6 |
| UTR Pro Tennis Series Zadar Women | 2021/11/19 14:30 | Bojana Marinkovic v Sapfo Sakellaridi | 6-4,4-6,7-6 |
| UTR Pro Tennis Series Zadar Women | 2021/11/18 09:00 | Mariya Vyshkina v Sapfo Sakellaridi | 0-6,1-5 |
| 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 | 2021/11/15 09:00 | Bojana Jovanovic v Sapfo Sakellaridi | 3-6,3-6 |
| ITF W15 Castellon | 2021/11/05 10:00 | Mihaela Djakovic v Sapfo Sakellaridi | 6-1,1-6,6-2 |
| ITF W15 Castellon | 2021/11/04 10:00 | Esther L Alcaraz v Sapfo Sakellaridi | 1-6,3-6 |
| ITF W15 Castellon | 2021/11/03 14:30 | Bianca Behulova v Sapfo Sakellaridi | 5-7,3-6 |
| UTR Pro Tennis Series Barcelona Women | 2021/10/31 09:30 | Sapfo Sakellaridi v Zuzana Zlochova | 4-6,6-4,5-0 |
| UTR Pro Tennis Series Zadar Women | 2021/11/19 10:30 | Victoria Borodulina v Andjela Lopicic | 6-0,6-4 |
| 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 | 2021/11/16 14:30 | Victoria Borodulina v Sara Gvozdenovic | 6-3,6-1 |
| UTR Pro Tennis Series Zadar Women | 2021/11/15 10:30 | Sara Mikaca v Victoria Borodulina | 4-6,6-3,6-7 |
| UTR Pro Tennis Series Nis Women | 2021/10/17 08:00 | Sara Mikaca v Victoria Borodulina | 6-3,7-5 |
| UTR Pro Tennis Series Nis Women | 2021/10/14 08:00 | Andjela Lopicic v Victoria Borodulina | 1-6,3-6 |
| UTR Pro Tennis Series Nis Women | 2021/10/13 10:00 | Laura Svatikova v Victoria Borodulina | 6-1,6-2 |
| UTR Pro Tennis Series Nis Women | 2021/10/13 07:00 | Sara Gvozdenovic v Victoria Borodulina | 0-6,0-6 |