Stadium: Court 7 Round: 54 Ground: Hardcourt indoor
| ITF W25 Karaganda | 2021/10/18 05:00 | Anastasiya Konstantinovna Soboleva v Shalakhova, Stefanya | 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 W60 Prerov | 2021/08/24 08:00 | Nikola Bartunkova v Anastasiya Konstantinovna Soboleva | 6-3,6-2 |
| ITF W25 Karaganda | 2021/10/18 05:00 | Mariya Sinitsyna v Nikitina, Iuliia | 4-6,0-6 |
| ITF W25 Almaty | 2021/08/25 08:25 | Nikitina, Iuliia v Dalakishvili, Mariam | 2-6,6-2,3-6 |
| ITF W25 Almaty | 2021/08/24 05:00 | Nikitina, Iuliia v Rizvanova, Karina | 6-3,2-6,10-8 |
| ITF W25 Telavi | 2021/07/14 12:40 | Valeriya Strakhova v Nikitina, Iuliia | 6-0,6-3 |
| ITF W25 Telavi | 2021/07/13 08:55 | Dalakishvili, Mariam v Nikitina, Iuliia | 3-6,3-6 |
| ITF W25 Telavi | 2021/07/12 07:50 | Tilbuerger, Jantje v Nikitina, Iuliia | 6-2,6-2 |
| ITF W25 Telavi | 2021/07/11 09:50 | Nikitina, Iuliia v Mana Kawamura | 6-3,1-6,10-7 |
| ITF - W15 Antalya | 2021/06/28 09:35 | Nikitina, Iuliia v Senli, Melisa | 3-6,0-6 |