Stadium: Court 6 Round: 26 Ground: Hardcourt indoor
| ITF W15 Kazaň | 2021/10/13 07:00 | Hanna Vinahradava v Viktoriia Kalinina | 2-6,0-6 |
| ITF W15 Šymkent | 2021/04/15 04:00 | Anastasia Tikhonova v Viktoriia Kalinina | 6-2,7-5 |
| ITF W15 Šymkent | 2021/04/14 07:25 | Katarina Kuzmova v Viktoriia Kalinina | 6-3,5-7,6-7 |
| ITF W15 Šymkent | 2021/04/13 06:45 | Viktoriia Kalinina v Anastasiya Kuparev | 6-3,6-3 |
| ITF W15 Šymkent | 2021/04/08 07:25 | Viktoriia Kalinina v Jessie Aney | 2-6,0-6 |
| ITF W15 Šymkent | 2021/04/07 07:55 | Vladlena Bokova v Viktoriia Kalinina | 2-6,3-6 |
| ITF W15 Šymkent | 2021/04/06 04:00 | Viktoriia Kalinina v Ademi Amankeldi | 6-3,6-3 |
| ITF W15 Šymkent | 2021/04/05 07:00 | Viktoriia Kalinina v Elizaveta Gnilozubova | 6-1,6-2 |
| ITF W15 Kazaň | 2021/10/13 07:00 | Ekaterina Khayrutdinova v Yana Karpovich | 6-2,6-7,6-4 |
| ITF W15 Káhira | 2021/08/31 09:50 | Ekaterina Khayrutdinova v Lavinia Tanasie | 6-4,2-6,4-6 |
| ITF W15 Moskva | 2021/07/21 09:55 | Ekaterina Kazionova v Ekaterina Khayrutdinova | 7-6,7-5 |