Stadium: Court 9 Round: 44 Ground: Clay
| ITF - W15 Antalya | 2020/01/21 09:00 | Sapfo Sakellaridi v Valeriya Olyanovskaya | 5-7,6-3,4-6 |
| ITF - W60 Grodzisk Mazowiecki | 2021/07/25 10:05 | Victoria Chramcova v Sapfo Sakellaridi | 2-6,1-6 |
| ITF - W60 Olomouc | 2021/07/21 10:10 | Sapfo Sakellaridi v Diane Parry | 6-7,1-6 |
| ITF - W60 Olomouc | 2021/07/20 10:10 | Sapfo Sakellaridi v Eszter Meri | 6-3,7-6 |
| ITF - W60 Olomouc | 2021/07/19 07:55 | Tara Wurth v Sapfo Sakellaridi | 2-6,5-7 |
| ITF - W60 Olomouc | 2021/07/18 08:00 | Zuzana Bohatova v Sapfo Sakellaridi | 1-6,0-6 |
| ITF - W15 Prokuplje | 2021/07/09 07:00 | Sapfo Sakellaridi v Arina Gabriela Vasilescu | 4-6,2-6 |
| ITF - W15 Prokuplje | 2021/07/07 11:15 | Sapfo Sakellaridi v Mia Ristic | 1-6,6-1,6-3 |
| ITF - W15 Antalya | 2021/07/02 06:30 | Rosa Vicens Mas v Sapfo Sakellaridi | 6-3,6-1 |
| ITF - W60 Grodzisk Mazowiecki | 2021/07/25 09:40 | Valeriya Olyanovskaya v Nuria Brancaccio | 3-6,6-4,10-6 |
| WTA - Gdynia | 2021/07/19 10:50 | Valeriya Olyanovskaya v Anna Bondar | 5-7,3-6 |
| ITF - W25 Wroclaw | 2021/06/29 13:20 | Anastasiya Konstantinovna Soboleva v Valeriya Olyanovskaya | 6-1,6-1 |
| ITF - W25 Wroclaw | 2021/06/28 08:00 | Valeriya Olyanovskaya v Ingrid Vojcinakova | 6-3,6-4 |
| ITF - W25 Wroclaw | 2021/06/27 09:30 | Valeriya Olyanovskaya v Martina Marusinova | 6-1,6-2 |
| ITF - W15 Shymkent | 2021/06/06 04:00 | Anastasiya Konstantinovna Soboleva v Valeriya Olyanovskaya | 6-4,7-6 |
| ITF - W15 Shymkent | 2021/06/05 05:00 | Valeriya Olyanovskaya v Zhibek Kulambayeva | 7-5,6-4 |
| ITF - W15 Shymkent | 2021/06/04 05:00 | Valeriya Olyanovskaya v Alina Silich | 4-6,6-4,6-3 |