Stadium: Court 4 Round: 25 Ground: Hardcourt outdoor
| ITF M25 Nur-Sultan | 2021/10/19 06:30 | Igor Trunov v Andrey Nelich | 6-1,6-4 |
| ITF M25 Nur-Sultan | 2021/10/18 05:05 | Igor Trunov v Nikita Sidorov | 6-2,6-7,11-9 |
| ITF M15 Kazan | 2021/10/12 09:15 | Igor Trunov v Alexander Chepik | 6-7,3-6 |
| ITF M15 Kazan | 2021/10/11 11:15 | Igor Trunov v Tamerlan Evloev | 6-7,6-3,10-8 |
| ITF M15 St Petersburg | 2021/04/05 06:55 | Sarp Agabigun v Igor Trunov | 6-0,6-2 |
| ITF M15 St Petersburg | 2021/04/04 13:40 | Igor Trunov v Alexander Zgirovsky | 1-6,6-3,10-7 |
| ITF M15 Kazan | 2021/03/08 11:25 | Aleksei Khomich v Igor Trunov | 6-3,6-7,10-6 |
| ITF M15 Sharm El Sheikh | 2021/02/28 09:30 | Aleksandr Lobanov v Igor Trunov | 7-6,6-7,10-4 |
| ITF M25 Prague | 2021/10/08 11:10 | Tobias Simon v Uladzimir Ignatik | 2-6,7-6,6-4 |
| ITF M25 Prague | 2021/10/07 09:20 | Danylo Kalenichenko v Uladzimir Ignatik | 3-6,6-3,3-6 |
| ITF M25 Prague | 2021/10/06 08:55 | Stepan Pecak v Uladzimir Ignatik | 3-6,3-6 |
| Challenger Sibiu | 2021/09/26 07:30 | Uladzimir Ignatik v Oleg Prihodko | 3-6,3-6 |
| Challenger Bucharest | 2021/09/20 08:00 | Ivan Gakhov v Uladzimir Ignatik | 0-6,6-2,6-3 |
| Challenger Bucharest | 2021/09/19 09:45 | David Poljak v Uladzimir Ignatik | 4-6,1-6 |
| Challenger Tulln | 2021/09/07 15:35 | Dennis Novak v Uladzimir Ignatik | 1-6,6-4,6-2 |
| Challenger Tulln | 2021/09/06 10:25 | Uladzimir Ignatik v Tobias Simon | 6-4,4-6,7-5 |