| Europameisterschaft | 2021/06/23 09:55 | Maksim Grebnev v Filip Zeljko | L | 1-3 |
| Europameisterschaft | 2021/06/22 07:50 | Truls Moregard v Maksim Grebnev | L | 3-2 |
| Russia Championship | 2021/04/18 12:50 | Kirill Skachkov v Maksim Grebnev | L | 3-2 |
| Russia Championship | 2021/04/18 10:30 | Andrei Baibuldin v Maksim Grebnev | W | 0-4 |
| Russia Championship | 2021/04/17 14:30 | Maksim Grebnev v Lev Katsman | W | 3-2 |
| Russia Championship | 2021/04/16 16:30 | Viacheslav Burov v Maksim Grebnev | W | 0-4 |
| Russia Championship | 2021/04/16 09:00 | Ilya Isakov v Maksim Grebnev | W | 0-4 |
| Russia Team Championships | 2021/04/14 10:16 | Maksim Grebnev v Denis Gavrilov | W | 3-0 |