| Liga Pro (2021) | 10/12 11:30 | - | Andrey Potapkov v Aleksandr Kozlov | L | 3-0 | |
| Liga Pro (2021) | 10/12 11:00 | - | Timofey Razinkov v Aleksandr Kozlov | W | 2-3 | |
| Liga Pro (2021) | 10/12 10:00 | - | Aleksandr Kozlov v Andrey Potapkov | L | 1-3 | |
| Liga Pro (2021) | 10/12 09:00 | - | Yurii Merkushin v Aleksandr Kozlov | L | 3-1 | |
| Liga Pro (2021) | 10/09 11:45 | - | Pavel Semeshin v Aleksandr Kozlov | L | 3-1 | |
| Liga Pro (2021) | 10/09 11:15 | - | Pavel Semeshin v Aleksandr Kozlov | W | 1-3 | |
| Liga Pro (2021) | 10/09 10:15 | - | Aleksandr Kozlov v Andrey Zolotov | L | 2-3 | |
| Liga Pro (2021) | 10/09 09:15 | - | Anton Sirotkin v Aleksandr Kozlov | L | 3-0 | |
| Liga Pro (2021) | 10/05 12:00 | - | Maksim Ilichev v Aleksandr Kozlov | W | 1-3 | |
| Liga Pro (2021) | 10/05 10:30 | - | Daniil Mikheev v Aleksandr Kozlov | W | 2-3 | |
| Liga Pro (2021) | 10/05 09:30 | - | Maksim Ilichev v Aleksandr Kozlov | L | 3-1 | |
| Liga Pro (2021) | 10/05 09:00 | - | Aleksandr Kozlov v Timofey Razinkov | W | 3-2 | |
| Liga Pro (2021) | 09/29 11:45 | - | Aleksandr Kozlov v Daniil Mikheev | L | 0-3 | |
| Liga Pro (2021) | 09/29 10:45 | - | Aleksandr Serebrennikov v Aleksandr Kozlov | L | 3-1 | |
| Liga Pro (2021) | 09/29 09:45 | - | Maksim Ilichev v Aleksandr Kozlov | L | 3-1 | |
| Liga Pro (2021) | 09/29 09:15 | - | Aleksandr Kozlov v Daniil Mikheev | W | 3-0 | |
| Liga Pro (2021) | 09/28 11:30 | - | Aleksandr Kozlov v Timofey Razinkov | W | 3-0 | |
| Liga Pro (2021) | 09/28 11:00 | - | Aleksandr Kozlov v Daniil Mikheev | L | 1-3 | |
| Liga Pro (2021) | 09/28 09:30 | - | Aleksandr Kozlov v Nikita Lyfenko | L | 1-3 | |
| Liga Pro (2021) | 09/28 08:30 | - | Timofey Razinkov v Aleksandr Kozlov | W | 2-3 | |
| Liga Pro (2021) | 09/22 11:45 | - | Aleksandr Kozlov v Aleksandr Fedosov | L | 0-3 | |
| Liga Pro (2021) | 09/22 10:45 | - | Aleksandr Kozlov v Aleksandr Fedosov | W | 3-1 | |
| Liga Pro (2021) | 09/22 10:15 | - | Nikita Lyfenko v Aleksandr Kozlov | L | 3-2 | |
| Liga Pro (2021) | 09/22 08:45 | - | Aleksandr Kozlov v Maksim Ilichev | L | 1-3 | |
| Liga Pro (2021) | 09/21 12:00 | - | Aleksandr Kozlov v Timofey Razinkov | L | 0-3 | |
| Liga Pro (2021) | 09/21 10:30 | - | Aleksandr Kozlov v Timofey Razinkov | W | 3-0 | |
| Liga Pro (2021) | 09/21 10:00 | - | Maksim Ilichev v Aleksandr Kozlov | L | 3-0 | |
| Liga Pro (2021) | 09/21 08:30 | - | Aleksandr Kozlov v Sergey Vardanyan | W | 3-2 | |
| Liga Pro (2021) | 09/16 11:30 | - | Maksim Ilichev v Aleksandr Kozlov | L | 3-1 | |
| Liga Pro (2021) | 09/16 11:00 | - | Maksim Ilichev v Aleksandr Kozlov | L | 3-1 |