| Challenger Ochsenhausen | 2021/10/19 16:40 | Aliaksandr Khanin v Artur Grela | L | 3-0 |
| Challenger Ochsenhausen | 2021/01/26 17:55 | Artur Grela v Zengyi Wang | L | 0-3 |
| TT Star Series | 2020/12/08 14:08 | Petr Husnik v Artur Grela | L | 3-1 |
| TT Star Series | 2020/12/08 12:15 | Boguslav Koszyk v Artur Grela | W | 1-3 |
| TT Star Series | 2020/12/08 10:45 | Jakub Seibert v Artur Grela | W | 0-3 |
| TT Star Series | 2020/12/08 08:45 | Thomas Keinath v Artur Grela | W | 0-3 |
| TT Star Series | 2020/12/07 11:45 | Petr Husnik v Artur Grela | W | 1-3 |
| TT Star Series | 2020/12/07 10:15 | Michal Bankosz v Artur Grela | W | 1-3 |