| UTR Pro Tennis Series Zadar Women | 2021/09/29 13:30 | Zuzana Zlochova v Sapfo Sakellaridi | 4-6,2-6 |
| UTR Pro Tennis Series Barcelona Women | 2021/10/30 18:00 | Sapfo Sakellaridi v Nora Ayala Serra | 6-0,6-1 |
| UTR Pro Tennis Series Barcelona Women | 2021/10/29 10:00 | Sapfo Sakellaridi v Judit Hernandez Miranda | 6-2,6-3 |
| UTR Pro Tennis Series Barcelona Women | 2021/10/27 07:00 | Sapfo Sakellaridi v Nina Ugrelidze | 6-0,5-2 |
| UTR Pro Tennis Series Barcelona Women | 2021/10/26 13:30 | Sapfo Sakellaridi v Esther Lopez | 6-2,5-0 |
| UTR Pro Tennis Series Barcelona Women | 2021/10/25 10:00 | Maja Radenkovic v Sapfo Sakellaridi | 3-6,5-7 |
| ITF W25 Seville | 2021/10/18 10:50 | Andreea Amalia Rosca v Sapfo Sakellaridi | 6-2,6-0 |
| ITF W25 Seville | 2021/10/17 12:00 | Luana Plaza Araujo v Sapfo Sakellaridi | 0-6,2-6 |
| UTR Pro Tennis Series Barcelona Women | 2021/10/10 07:00 | Rosa Vicens Mas v Sapfo Sakellaridi | 6-3,4-6,5-1 |
| UTR Pro Tennis Series Barcelona Women | 2021/10/30 16:00 | Gloria Alogo Piqueras v Zuzana Zlochova | 2-6,2-5 |
| UTR Pro Tennis Series Barcelona Women | 2021/10/29 07:00 | Zuzana Zlochova v Paula Ortega Redondo | 6-4,5-0 |
| UTR Pro Tennis Series Barcelona Women | 2021/10/27 10:00 | Zuzana Zlochova v Elizabeth Jurna | 6-2,4-6,5-0 |
| UTR Pro Tennis Series Barcelona Women | 2021/10/26 11:00 | Zuzana Zlochova v Lucia Aranda Arcas | 6-4,6-5 |
| UTR Pro Tennis Series Barcelona Women | 2021/10/25 13:30 | Agustina Chlpac v Zuzana Zlochova | 6-1,2-6,3-6 |
| UTR Pro Tennis Series Nis Women | 2021/10/17 09:30 | Mia Ristic v Zuzana Zlochova | 6-4,6-4 |
| UTR Pro Tennis Series Nis Women | 2021/10/15 07:30 | Natalia Schwarcova v Zuzana Zlochova | 2-6,0-6 |
| UTR Pro Tennis Series Nis Women | 2021/10/13 14:30 | Sara Mikaca v Zuzana Zlochova | 6-3,0-6,6-5 |