Stadium: COURT 7 Round: 54 Ground: Hardcourt indoor
| ITF M25 Nur-Sultan | 2021/10/27 06:30 | Maxim Krapivin v Bogdan Bobrov | 5-7,3-6 |
| ITF M25 Nur-Sultan | 2021/10/26 05:00 | Maxim Krapivin v Piotr Pawlak | 6-4,3-6,11-9 |
| ITF M25 Nur-Sultan | 2021/10/25 09:15 | Maxim Krapivin v Ziv Moravia | 6-4,6-2 |
| ITF M25 Nur-Sultan | 2021/10/18 07:25 | Maxim Krapivin v Alexander Ryzhikov | 4-6,6-3,7-10 |
| ITF M15 Kazan | 2021/10/11 08:20 | Maxim Krapivin v Radimir Lutkovskii | 4-6,3-6 |
| UTR Pro Tennis Series Zadar | 2021/10/02 07:00 | Maxim Krapivin v Mile Matic | 3-6,2-6 |
| UTR Pro Tennis Series Zadar | 2021/10/01 09:30 | Maxim Krapivin v Ivan Denisov | 5-7,3-6 |
| UTR Pro Tennis Series Zadar | 2021/09/29 15:00 | Maxim Krapivin v Michalis Sakellaridis | 2-6,2-6 |
| ITF M15 Sharm El Sheikh | 2021/10/31 08:00 | Zachary Eisinga v Bogdan Seleznev | 6-3,6-0 |
| ITF M15 Sharm El Sheikh | 2021/10/24 09:30 | Bogdan Seleznev v Dennis Dragomirov | 3-6,6-3,8-10 |
| ITF M15 Sharm El Sheikh | 2021/10/17 09:30 | Bogdan Seleznev v Pavlos Parson | 4-6,5-7 |
| ITF M15 Kazan | 2021/10/12 08:55 | Radimir Lutkovskii v Bogdan Seleznev | 6-4,6-3 |
| ITF M15 Kazan | 2021/10/11 11:10 | Bogdan Seleznev v Klim Kozyrev | 1-6,6-3,10-1 |
| ITF M15 Shymkent | 2021/05/31 05:00 | Bogdan Seleznev v Saba Purtseladze | 2-6,1-6 |
| ITF M15 Shymkent | 2021/05/24 05:20 | Antonio Campo v Bogdan Seleznev | 6-0,6-1 |
| ITF M15 St Petersburg Qual | 2021/02/07 07:00 | Andrea Guerrieri v Bogdan Seleznev | 6-2,6-1 |