| Oman Open U21 Women | 2021/11/10 13:50 | Alex Naumi v Maksim Grebnev | W | 0-4 |
| Oman Open U21 Women | 2021/11/10 09:40 | Maksim Grebnev v Goncalo Gomes | W | 4-1 |
| WTT Contender Lasko | 2021/11/02 17:35 | Kilian Ort v Maksim Grebnev | L | 3-0 |
| WTT Contender Lasko | 2021/11/02 09:10 | Maksim Grebnev v Daniel Gonzalez | W | 3-0 |
| WTT Contender Lasko | 2021/11/01 13:35 | Adam Klajber v Maksim Grebnev | W | 1-3 |
| WTT Contender Tunis | 2021/10/28 18:30 | Patrick Franziska v Maksim Grebnev | L | 3-1 |
| WTT Contender Tunis | 2021/10/27 19:00 | Truls Moregard v Maksim Grebnev | W | 2-3 |
| WTT Contender Tunis | 2021/10/26 15:10 | Joao Geraldo v Maksim Grebnev | W | 1-3 |
| Oman Open U21 Women | 2021/11/10 13:50 | Cristian Chirita v Goncalo Gomes | W | 4-0 |
| Oman Open U21 Women | 2021/11/10 09:40 | Alex Naumi v Cristian Chirita | W | 1-4 |
| WTT Contender Lasko | 2021/11/02 09:10 | Kilian Ort v Cristian Chirita | L | 3-1 |
| Challenger Ochsenhausen | 2020/08/07 09:10 | Nico Wenger v Cristian Chirita | W | 1-3 |
| Challenger Ochsenhausen | 2020/08/07 07:10 | Alexander Valuch v Cristian Chirita | L | 3-0 |
| Challenger Ochsenhausen | 2020/08/06 11:50 | Bence Majoros v Cristian Chirita | L | 3-0 |
| Challenger Ochsenhausen | 2020/08/06 09:10 | Cristian Chirita v Filip Jezo | W | 3-0 |
| Challenger Ochsenhausen | 2020/08/06 06:30 | Cristian Chirita v Dauud Cheaib | L | 2-3 |