| Open du Luxembourg - Qualif. | 2023/05/04 07:20 | Pedro Portelas v Mikolaj Szymanowski | W | 0-2 |
| Dutch Int. - Qualif. | 2023/04/13 10:35 | Mikolaj Szymanowski v Karan Rajan Rajarajan | L | 1-2 |
| Open de Pologne - Qualif. | 2023/03/22 17:55 | Mikolaj Szymanowski v van Gysel, Leo | L | 0-2 |
| Open de Pologne - Qualif. | 2023/03/22 11:30 | Davi Silva v Mikolaj Szymanowski | W | 1-2 |
| Norwegian Int. Qual | 2022/11/10 17:30 | Nadeem Dalvi v Mikolaj Szymanowski | L | 2-0 |
| Norwegian Int. Qual | 2022/11/10 16:30 | Schneidman, Idan v Mikolaj Szymanowski | W | 0-2 |
| Czech Open Qual | 2022/10/20 14:35 | Arthur Wakhevitsch v Mikolaj Szymanowski | L | 2-0 |
| Czech Open Qual | 2022/10/20 09:30 | Mikolaj Szymanowski v Ivancic, Miha | W | 2-1 |
| Open du Luxembourg - Qualif. | 2023/05/04 07:40 | Tino Daoudal v Heino, Iikka | W | 1-2 |
| Estonie Int. - Qualif. | 2023/01/12 13:40 | Yu Kai Huang v Heino, Iikka | L | 2-0 |
| Estonie Int. - Qualif. | 2023/01/12 10:55 | Heino, Iikka v Karl Kert | W | 2-0 |
| Czech Open | 2022/10/21 17:00 | Viktor Ording Kauffman v Heino, Iikka | L | 2-0 |
| Dutch Open (GP) 2017, Qualification | 2022/10/12 09:20 | Heino, Iikka v Liu, W. C. | L | 0-2 |
| Latvia Int. | 2022/09/03 07:40 | Ming Hong Lim v Heino, Iikka | L | 2-1 |
| Croatia Open | 2022/06/22 08:30 | Justin Hoh v Heino, Iikka | L | 2-0 |
| Croatia Open | 2022/06/21 14:45 | Filip Spoljarec v Heino, Iikka | W | 0-2 |