| Polish Open Qual | 2024/03/21 09:10 | Janostik, Jan v Gregoire Deschamp | L | 0-2 |
| Polish Open | 2024/03/20 18:30 | Janostik, Jan v Jan Wilczak | W | 2-0 |
| Polish Open Qual | 2024/03/20 09:45 | Janostik, Jan v Andrzej Niczyporuk | W | 2-1 |
| Spanish Int. Qual | 2023/11/13 12:05 | Alejandro Lopez v Janostik, Jan | W | 0-2 |
| Norwegian Int. Qual | 2023/11/09 17:30 | Janostik, Jan v Alexander Pedersen | L | 0-2 |
| Norwegian Int. Qual | 2023/11/09 09:40 | Deepak Pillai v Janostik, Jan | W | 0-2 |
| Hungarian Int. | 2023/11/02 15:05 | Janostik, Jan v William Bøgebjerg | L | 0-2 |
| Hungarian Int. Qual | 2023/11/02 08:00 | 하우토프, 센 v Janostik, Jan | W | 1-2 |
| Polish Open Qual | 2024/03/20 10:20 | Krajewski, Piotr v Pranav Rao Gandham | L | 0-2 |
| Czech Open Qual | 2023/10/19 13:15 | Krajewski, Piotr v Daniel Dvorak | L | 0-2 |
| Bulgarian Int. Qual | 2023/10/05 08:55 | Krajewski, Piotr v 칼리시르, 야즈간 | L | 0-2 |
| Croatia Int. Qual | 2023/09/28 09:20 | Krajewski, Piotr v Tamino Procida | L | 0-2 |
| Polish Int. Qual | 2023/09/21 07:00 | Reva, Vitaliy v Krajewski, Piotr | L | 2-0 |
| Latvia Int. Qual | 2023/08/31 08:20 | Krajewski, Piotr v Niilo Nyqvist | L | 0-2 |
| Polish Int. Qual | 2022/09/21 07:40 | Sebastian Kadlec v Krajewski, Piotr | L | 2-0 |
| Polish Int. Qual | 2019/09/19 07:35 | Krajewski, Piotr v Cassar, Samuel | L | 0-2 |