Stadium: COURT 1 Round: 54 Ground: Hardcourt indoor
| ITF M15 Kazan | 2021/10/12 07:00 | Aristarkh Safonov v Nikita Ianin | 6-0,6-3 |
| ITF M15 Kazan | 2021/11/22 12:20 | Aristarkh Safonov v Evloev, T. | 6-2,6-1 |
| ITF M15 Kazan | 2021/10/15 09:00 | Aristarkh Safonov v Bogdan Bobrov | 0-6,3-6 |
| ITF M15 Kazan | 2021/10/14 11:20 | Aristarkh Safonov v Ilia Simakin | 3-6,6-4,6-4 |
| ITF M15 Kazan | 2021/10/13 13:20 | Shchaya-Zubrov, Pavel 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 Satral, Jan | 4-6,2-6 |
| ITF M15 St Petersburg | 2021/04/08 09:00 | Spec, Matic v Aristarkh Safonov | 3-6,5-7 |
| ITF M15 Kazan | 2021/11/22 11:00 | Nikita Ianin v Kozyrev, Klim | 6-2,6-1 |
| ITF - M15 Sharm El Sheikh | 2021/11/15 11:30 | Nikita Ianin v Adrian Oetzbach | 6-7,3-6 |
| ITF - M15 Sharm El Sheikh | 2021/11/14 13:30 | Seely, Seth v Nikita Ianin | 1-6,6-4,7-10 |
| ITF - M15 Sharm El Sheikh | 2021/11/01 10:00 | Nikita Ianin v Recci, Mason | 4-6,3-6 |
| ITF - M15 Sharm El Sheikh | 2021/10/24 13:30 | Nikita Ianin v Hobbs, Roy | 7-5,6-7,4-10 |
| ITF M15 Kazan | 2021/10/12 07:00 | Aristarkh Safonov v Nikita Ianin | 6-0,6-3 |
| ITF M15 Kazan | 2021/10/11 09:50 | Egor Khotchenkov v Nikita Ianin | 6-3,6-7,3-10 |
| ITF - M15 Monastir | 2021/08/02 08:30 | Nikita Ianin v Dimitrov, Martin | 4-6,6-3,5-10 |