Stadium: Clay 1 Round: 25 Ground: Clay
| ITF W15 Kazan | 2021/10/13 07:00 | Maria Krupenina v Alina Korneeva | 3-6,1-6 |
| ITF W15 Sozopol | 2021/09/14 10:00 | Katarina Kuzmova v Maria Krupenina | 6-4,6-3 |
| ITF W25 Almaty | 2021/08/24 06:50 | Maria Krupenina v Alisa Kummel | 1-6,6-4,2-10 |
| ITF W15 Moscow | 2021/07/22 07:00 | Maria Krupenina v Eva Garkusha | 0-6,1-6 |
| ITF W60 Nur-Sultan | 2021/07/13 08:50 | Angelina Gabueva v Maria Krupenina | 7-5,6-4 |
| ITF W60 Nur-Sultan | 2021/07/12 08:10 | Elizaveta Gnilozubova v Maria Krupenina | 1-6,2-6 |
| ITF W25 Kazan | 2021/06/01 10:10 | Maria Krupenina v Anna Ureke | 1-6,3-6 |
| ITF W25 Kazan | 2021/05/31 11:05 | Maria Krupenina v Arina Solomatina | 6-1,6-0 |
| ITF W15 Sozopol | 2021/10/14 15:45 | Julia Terziyska v Eleni Christofi | 6-0,6-3 |
| ITF W15 Sozopol | 2021/10/13 13:25 | Daria Zelinskaya v Eleni Christofi | 3-6,3-6 |
| ITF W15 Sozopol | 2021/10/11 12:00 | Eleni Christofi v Defne Cirpanli | 6-1,6-3 |
| ITF W15 Sozopol | 2021/10/10 08:00 | Maria Aldea Wesselly v Eleni Christofi | 0-6,4-6 |
| ITF W15 Sozopol | 2021/10/06 10:10 | Eleni Christofi v Gergana Topalova | 6-2,2-6,5-7 |
| ITF W15 Sozopol | 2021/10/05 07:30 | Anca Alexia Todoni v Eleni Christofi | 5-7,6-7 |
| ITF W15 Sozopol | 2021/10/04 11:00 | Eleni Christofi v Anna Popescu | 6-0,6-3 |
| ITF W15 Sozopol | 2021/09/13 08:00 | Anna Ozerova v Eleni Christofi | 1-6,6-4,11-9 |