Stadium: Court 12 Round: 54 Ground: Clay
| ITF M25 Nur-Sultan | 2021/10/27 04:55 | Filip Peliwo v Nikita Sidorov | 6-1,7-6 |
| ITF M25 Nur-Sultan | 2021/10/18 05:05 | Igor Trunov v Nikita Sidorov | 6-2,6-7,11-9 |
| ITF M15 Shymkent | 2021/04/14 07:00 | Nikita Sidorov v Jurabek Karimov | 2-6,0-6 |
| ITF M15 Shymkent | 2021/04/05 05:00 | Mark Tryakshin v Nikita Sidorov | 7-6,6-4 |
| ITF M15 Nur-Sultan | 2021/02/08 06:00 | Nikita Sidorov v Oscar Weightman | 2-6,4-6 |
| ITF M15 Nur-Sultan | 2021/02/01 07:30 | Aleksandre Bakshi v Nikita Sidorov | 3-6,7-5,10-3 |
| ITF M15 Sharm El Sheikh | 2021/11/16 10:00 | Leonid Sheyngezikht v Adrian Oetzbach | 2-6,2-6 |
| ITF M15 Sharm El Sheikh | 2021/11/07 17:00 | Loic Cloes v Leonid Sheyngezikht | 6-1,6-2 |
| ITF M15 Sharm El Sheikh | 2021/11/02 07:30 | Leonid Sheyngezikht v Ondrej Horak | 7-6,1-6,9-11 |
| ITF M15 Sharm El Sheikh | 2021/10/27 11:25 | Yuichiro Inui v Leonid Sheyngezikht | 4-6,6-4,6-2 |
| ITF M15 Sharm El Sheikh | 2021/10/20 09:05 | Sergei Pogosian v Leonid Sheyngezikht | 2-6,6-3,6-2 |
| ITF M15 Sharm El Sheikh | 2021/10/12 09:25 | Leonid Sheyngezikht v Seydina Andre | 6-2,4-6,4-10 |
| ITF M15 Sharm El Sheikh | 2021/10/11 11:00 | Leonid Sheyngezikht v Bryan Aguiar Kuntz | 6-2,6-3 |
| ITF M25 Pretoria | 2021/09/29 11:30 | Leonid Sheyngezikht v Makoto Ochi | 3-6,6-7 |