| Oman Open U21 Women | 2021/11/13 10:50 | Leo De Nodrest v Grebnev, Maksim | W | 1-4 |
| Oman Open U21 Women | 2021/11/12 11:40 | Grebnev, Maksim v Borgar Haug | W | 4-0 |
| 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 |
| Oman Open U21 Women | 2021/11/13 10:50 | Degros, Nicolas v Rares Sipos | W | 1-4 |
| Oman Open U21 Women | 2021/11/12 11:40 | Rares Sipos v Adrien Rassenfosse | W | 4-0 |
| Oman Open U21 Women | 2021/11/11 15:35 | Rares Sipos v Vladislav Ursu | W | 4-1 |
| WTT Contender Tunis | 2021/10/26 15:45 | Frane Kojic v Rares Sipos | L | 3-2 |
| WTT Contender Tunis | 2021/10/25 17:10 | Rares Sipos v Harmeet Desai | W | 3-2 |
| WTT Contender Tunis | 2021/10/24 18:40 | Franco, Carlos v Rares Sipos | W | 0-3 |
| European Team Championships | 2021/10/01 13:00 | Rares Sipos v Mattias Falck | W | 3-2 |
| European Team Championships | 2021/09/30 18:05 | Cvetko, Tilen v Rares Sipos | W | 0-3 |