Stadium: Court 5 Round: 25 Ground: Hardcourt indoor
| ITF - W15 Antalya | 2021/04/23 07:00 | Anastasiya Konstantinovna Soboleva v Valentina Ryser | 6-0,6-0 |
| ITF - W25 Karaganda | 2021/10/19 04:45 | Anastasiya Konstantinovna Soboleva v Iuliia Nikitina | 6-0,6-3 |
| ITF - W25 Karaganda | 2021/10/18 05:00 | Anastasiya Konstantinovna Soboleva v Stefanya Shalakhova | 6-4,6-1 |
| ITF - W25 Frydek Mistek | 2021/09/08 13:05 | Nefisa Berberovic v Anastasiya Konstantinovna Soboleva | 6-2,6-3 |
| ITF - W25 Frydek Mistek | 2021/09/07 10:10 | Sapfo Sakellaridi v Anastasiya Konstantinovna Soboleva | 6-4,4-6,6-10 |
| ITF - W25 Frydek Mistek | 2021/09/06 09:00 | Yui Chikaraishi v Anastasiya Konstantinovna Soboleva | 4-6,0-6 |
| ITF - W25 Frydek Mistek | 2021/09/05 08:00 | Ivana Sebestova v Anastasiya Konstantinovna Soboleva | 2-6,4-6 |
| ITF - W25 Marbella | 2021/09/02 10:50 | Anastasiya Konstantinovna Soboleva v Leyre Romero Gormaz | 6-1,5-7,4-6 |
| ITF - W25 Marbella | 2021/09/01 09:40 | Mallaurie Noel v Anastasiya Konstantinovna Soboleva | 3-6,6-2,5-7 |
| ITF - W15 Sozopol | 2021/10/06 08:00 | Valentina Ryser v Yeon Woo Ku | 3-6,2-6 |
| ITF - W15 Dijon | 2021/09/18 08:30 | Alina Granwehr v Valentina Ryser | 4-6,6-2,6-2 |
| ITF - W15 Dijon | 2021/09/17 08:30 | Amarissa K Toth v Valentina Ryser | 3-6,6-7 |
| ITF - W15 Dijon | 2021/09/16 08:00 | Arina Gabriela Vasilescu v Valentina Ryser | 6-3,1-6,2-6 |
| ITF - W15 Dijon | 2021/09/15 08:00 | Vivian Wolff v Valentina Ryser | 4-6,5-7 |
| ITF - W15 Dijon | 2021/09/14 07:30 | Marine Szostak v Valentina Ryser | 4-6,7-5,3-6 |
| ITF - W60 Montreux | 2021/09/08 10:35 | Conny Perrin v Valentina Ryser | 6-1,7-6 |
| ITF - W60 Collonge-Bellerive | 2021/09/01 09:35 | Oceane Dodin v Valentina Ryser | 6-3,7-5 |