| TT Star Series | 2020/12/07 13:15 | Petr Husnik v Thomas Keinath | W | 2-3 |
| TT Star Series | 2020/12/07 11:15 | Pawel Grela v Thomas Keinath | W | 2-3 |
| TT Star Series | 2020/12/07 09:45 | Thomas Keinath v Jakub Seibert | W | 3-0 |
| TT Star Series | 2020/11/28 15:25 | Antonin Gavlas v Thomas Keinath | W | 0-3 |
| TT Star Series | 2020/11/28 13:45 | Thomas Keinath v Petr David | W | 3-2 |
| TT Star Series | 2020/11/28 12:45 | Patrik Klos v Thomas Keinath | W | 2-3 |
| TT Star Series | 2020/11/28 10:45 | Thomas Keinath v Luke Savill | W | 3-0 |
| TT Star Series | 2020/11/28 08:10 | Joseph Cope v Thomas Keinath | W | 2-3 |
| 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 |
| TT Star Series | 2020/12/07 07:00 | Pawel Grela v Artur Grela | W | 2-3 |
| Challenger - Ochsenhausen | 2020/09/20 15:04 | Adam Dosz v Artur Grela | L | 3-0 |
| Challenger - Ochsenhausen | 2020/09/13 17:05 | Artur Grela v Tomasz Lewandowski | L | 1-3 |
| U21 - Oman Open - Damen | 2020/03/12 19:05 | Maciej Kubik v Artur Grela | W | 2-3 |
| U21 - Oman Open - Damen | 2020/03/12 15:40 | Radek Skala v Artur Grela | W | 1-3 |
| Polish Open | 2020/03/12 12:30 | Miikka O'Connor v Artur Grela | W | 0-3 |