Stadion: Court 2 Round: 26 Ground: Hardcourt indoor
| ITF - M15 - Kazan | 2021/10/13 13:20 | Pavel Shchaya-Zubrov v Aristarkh Safonov | 4-6,3-6 |
| ITF - M15 - Kazan | 2021/10/12 07:00 | Aristarkh Safonov v Nikita Ianin | 6-0,6-3 |
| ITF - M15 - St. Petersburg | 2021/04/13 11:30 | Patrik Rikl v Aristarkh Safonov | 6-4,6-2 |
| ITF - M15 - St. Petersburg | 2021/04/09 09:40 | Aristarkh Safonov v Jan Satral | 4-6,2-6 |
| ITF - M15 - St. Petersburg | 2021/04/08 09:00 | Matic Spec v Aristarkh Safonov | 3-6,5-7 |
| ITF - M15 - St. Petersburg | 2021/04/06 07:00 | Alexander Wolfschmidt v Aristarkh Safonov | 6-4,1-6,5-7 |
| ITF - M15 - Kazan | 2021/10/13 14:40 | Ilia Simakin v Yan Sabanin | 7-5,6-2 |
| ITF - M15 - Kazan | 2021/03/08 09:10 | Ilia Simakin v Alexander Boborykin | 0-6,0-6 |
| ITF - M15 - Kazan | 2020/03/10 12:20 | Alibek Kachmazov v Ilia Simakin | 6-2,6-2 |