| Oman Open U21 Women | 2021/11/11 15:35 | Ioannis Sgouropoulos v Grebnev, Maksim | L | 4-2 |
| Oman Open U21 Women | 2021/11/10 18:00 | Grebnev, Maksim v Chirita, Cristian | W | 4-1 |
| Oman Open U21 Women | 2021/11/10 13:50 | Alex Naumi v Grebnev, Maksim | W | 0-4 |
| Oman Open U21 Women | 2021/11/10 09:40 | Grebnev, Maksim v Gomes, Goncalo | W | 4-1 |
| WTT Contender Lasko | 2021/11/02 17:35 | Ort, Kilian v Grebnev, Maksim | L | 3-0 |
| WTT Contender Lasko | 2021/11/02 09:10 | Grebnev, Maksim v Daniel Gonzalez | W | 3-0 |
| WTT Contender Lasko | 2021/11/01 13:35 | Adam Klajber v Grebnev, Maksim | W | 1-3 |
| WTT Contender Tunis | 2021/10/28 18:30 | Patrick Franziska v Grebnev, Maksim | L | 3-1 |
| Oman Open U21 Women | 2021/11/11 15:35 | Borgar Haug v Gabrielius Camara | W | 4-1 |
| Oman Open U21 Women | 2021/11/11 12:15 | Ioannis Sgouropoulos v Borgar Haug | L | 4-0 |
| Oman Open U21 Women | 2021/11/10 19:40 | Borgar Haug v Karabaxhaku, Fatih | W | 4-0 |
| Oman Open U21 Women | 2021/11/10 15:30 | Olav Kosolosky v Borgar Haug | W | 1-4 |
| Oman Open U21 Women | 2021/11/10 11:20 | Borgar Haug v Radulovic, Filip | W | 4-0 |
| ITTF European Team Championships, Singles | 2021/08/27 17:15 | Adam Szudi v Borgar Haug | W | 2-3 |
| ITTF European Team Championships, Singles | 2021/08/27 16:00 | Nandor Ecseki v Borgar Haug | W | 0-3 |
| Euro Team Champs | 2021/08/27 08:40 | Benedek Olah v Borgar Haug | L | 3-0 |