Stadium: Court 7 Round: 62 Ground: Clay
| ITF W15 Bad Waltersdorf | 2021/08/28 09:20 | Ziva Falkner v Sapfo Sakellaridi | 6-2,6-1 |
| ITF W15 Bad Waltersdorf | 2021/08/27 11:35 | Sapfo Sakellaridi v Elena-Teodora Cadar | 6-7,6-3,6-2 |
| ITF W15 Bad Waltersdorf | 2021/08/26 11:15 | Sapfo Sakellaridi v Mavie Osterreicher | 6-2,6-3 |
| ITF W15 Bad Waltersdorf | 2021/08/25 09:30 | Sapfo Sakellaridi v Nikol Palecek | 6-1,6-0 |
| ITF W15 Warmbad-Villach | 2021/08/17 10:30 | Sapfo Sakellaridi v Fiona Ganz | 4-6,6-3,3-6 |
| ITF W25 Radom | 2021/08/09 09:40 | Carlota Martinez Cirez v Sapfo Sakellaridi | 6-3,7-5 |
| ITF W25 Radom | 2021/08/08 08:00 | Ingrid Vojcinakova v Sapfo Sakellaridi | 7-6,5-7,4-10 |
| ITF W25 Bydgoszcz | 2021/08/03 10:20 | Mei Yamaguchi v Sapfo Sakellaridi | 6-0,1-6,11-9 |
| ITF W15 Bad Waltersdorf | 2021/08/23 09:00 | Anet A Koskel v Adele Burato | 6-2,6-7,5-10 |
| ITF W15 Bad Waltersdorf | 2021/08/22 11:30 | Magdalena Stoilkovska v Anet A Koskel | 1-6,4-6 |
| ITF W25 Parnu | 2021/08/02 07:00 | Anet A Koskel v Sofiya Chekhlystova | 1-6,1-6 |
| ITF W15 Savitaipale | 2021/07/27 07:00 | Anet A Koskel v Lisa Zaar | 0-6,2-6 |
| ITF W15 Savitaipale | 2021/07/26 10:00 | Anet A Koskel v Viktoria Kleer Kliimand | 6-0,7-5 |
| ITF W15 Antalya | 2021/06/08 08:40 | Natalia Siedliska v Anet A Koskel | 6-2,6-0 |
| ITF W15 Antalya | 2021/06/02 09:40 | Anet A Koskel v Chelsea Vanhoutte | 0-6,0-6 |
| ITF W15 Antalya | 2021/06/01 12:40 | Anet A Koskel v Elsa Wan | 7-5,6-2 |