| Challenger - Ochsenhausen | 2019/09/30 11:50 | Pawel Grela v Irvin Bertrand | L | 0-3 |
| Challenger - Ochsenhausen | 2019/08/28 12:30 | Irvin Bertrand v Pawel Grela | L | 3-0 |
| Challenger - Ochsenhausen | 2020/01/27 15:00 | Sebestyen Kovacs v Pawel Grela | W | 0-3 |
| Challenger - Ochsenhausen | 2020/01/27 11:30 | Andriy Sitak v Pawel Grela | L | 3-1 |
| Challenger - Ochsenhausen | 2020/01/27 08:50 | Jiri Vrablik v Pawel Grela | L | 3-0 |
| Challenger - Ochsenhausen | 2019/12/10 10:40 | Mathieu De Saintilan v Pawel Grela | L | 3-1 |
| Challenger - Ochsenhausen | 2019/12/10 09:20 | Andrew Baggaley v Pawel Grela | L | 3-1 |
| Challenger - Ochsenhausen | 2019/12/09 19:00 | Viktor Brodd v Pawel Grela | L | 3-0 |
| Challenger - Ochsenhausen | 2019/12/09 17:00 | Josip Huzjak v Pawel Grela | L | 3-1 |
| Challenger - Ochsenhausen | 2019/12/09 13:30 | Abdel Kader Salifou v Pawel Grela | L | 3-0 |
| Challenger - Ochsenhausen | 2020/01/27 13:30 | Patrik Klos v Irvin Bertrand | W | 2-3 |
| Challenger - Ochsenhausen | 2020/01/27 12:10 | Sebestyen Kovacs v Irvin Bertrand | W | 0-3 |
| Challenger - Ochsenhausen | 2020/01/27 07:30 | Romain Lorentz v Irvin Bertrand | W | 1-3 |
| North American Open | 2019/12/06 20:15 | Irvin Bertrand v Maharu Yoshimura | L | 0-4 |
| North American Open | 2019/12/05 21:00 | Licen Yuan v Irvin Bertrand | W | 3-4 |
| Oman Open U21 - Dames | 2019/12/04 17:00 | Irvin Bertrand v Beixun Zeng | L | 0-3 |
| Belarus Open | 2019/10/31 11:40 | Haidong Xu v Irvin Bertrand | L | 4-2 |
| Oman Open U21 - Dames | 2019/10/30 11:35 | Irvin Bertrand v Matthew Daish | W | 3-0 |