Stadium: Court 4 Round: 54 Ground: Hardcourt outdoor
| ITF M25 Nur-Sultan | 2021/10/25 07:55 | Igor Trunov v Tamerlan Kalkenov | 6-4,6-3 |
| ITF M25 Nur-Sultan | 2021/10/20 08:25 | Igor Trunov v Uladzimir Ignatik | 3-6,3-6 |
| 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 M25 Nur-Sultan | 2021/10/25 08:20 | Tamerlan Evloev v Klim Kozyrev | 3-6,4-6 |
| ITF M25 Nur-Sultan | 2021/10/19 05:05 | Daniel Ibragimov v Klim Kozyrev | 6-3,6-2 |
| ITF M25 Nur-Sultan | 2021/10/18 09:05 | Yerassyl Murat v Klim Kozyrev | 6-3,0-6,5-10 |
| ITF M15 Kazan | 2021/10/11 11:10 | Bogdan Seleznev v Klim Kozyrev | 1-6,6-3,10-1 |
| ITF M15 Sozopol | 2021/09/12 10:00 | Mert Ramadan v Klim Kozyrev | 7-6,6-2 |
| ITF M15 St Petersburg | 2021/04/04 09:50 | Sarp Agabigun v Klim Kozyrev | 6-3,6-0 |
| ITF M15 Kazan | 2021/03/08 06:50 | Klim Kozyrev v Maxim Krapivin | 3-6,7-5,4-10 |
| ITF M15 Antalya | 2020/12/06 07:00 | Klim Kozyrev v Emir Sendogan | 1-6,3-6 |