| Czech TT Star Series | 2020/08/14 09:20 | Pawel Grela v Dmitrij Prokopcov | L | 0-3 |
| Czech TT Star Series | 2020/08/14 07:40 | Pawel Grela v Thomas Keinath | L | 0-3 |
| Czech TT Star Series | 2020/08/14 06:00 | Pawel Grela v Ondrej Bajger | L | 1-3 |
| Czech TT Star Series | 2020/08/13 11:25 | Pawel Grela v Jakub Kleprlik | L | 0-3 |
| Czech TT Star Series | 2020/08/13 09:45 | Pawel Grela v Rimas Lesiv | W | 3-0 |
| Czech TT Star Series | 2020/08/13 07:40 | Michal Bankosz v Pawel Grela | L | 3-0 |
| Czech TT Star Series | 2020/08/13 06:25 | Pawel Grela v Tomas Martinko | L | 0-3 |
| Czech TT Star Series | 2020/08/07 10:40 | Vladimir Anca v Pawel Grela | W | 0-3 |
| Oman Open U21 Women | 2020/03/12 19:05 | Maciej Kubik v Artur Grela | W | 2-3 |
| Oman Open U21 Women | 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 |
| Challenger Ochsenhausen | 2020/03/09 17:33 | Artur Grela v Panagiotis Gionis | L | 1-3 |
| Oman Open U21 Women | 2020/03/05 15:20 | Fanbo Meng v Artur Grela | L | 4-1 |
| Oman Open U21 Women | 2020/03/04 17:10 | Aleksa Gacev v Artur Grela | W | 2-4 |
| Oman Open U21 Women | 2020/03/04 10:30 | Cedric Meissner v Artur Grela | L | 4-1 |
| Oman Open U21 Women | 2020/02/12 10:35 | Lars Posch v Artur Grela | W | 2-3 |