Stadium: Court 1 Round: 54 Ground: Hardcourt outdoor
| 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 M15 Sharm El Sheikh | 2021/02/21 17:00 | Igor Trunov v Bastien Presuhn | 4-6,5-7 |
| ITF M25 Nur-Sultan | 2021/10/18 07:05 | Tamerlan Kalkenov v Andrey Nelich | 2-6,7-6,2-10 |
| ITF M25 Nur-Sultan | 2021/07/06 04:00 | Ibrokhimjon Urinov v Andrey Nelich | 4-6,6-1,10-4 |
| ITF M25 Nur-Sultan | 2021/07/05 04:50 | Tamerlan Kalkenov v Andrey Nelich | 2-6,5-7 |
| ITF M15 Shymkent | 2021/04/12 08:40 | Jack Gibbens v Andrey Nelich | 6-1,6-2 |
| ITF M15 Shymkent | 2021/04/05 09:10 | Andrey Nelich v Aleksandr Braynin | 1-6,0-6 |