| Internazionali di Polonia - Qual. | 2023/09/21 08:20 | Mykola Shkliaiev v Michal Walentek | W | 0-2 |
| Latvia Int. Qual | 2023/08/31 10:05 | Michal Walentek v Jonas Petkus | L | 0-2 |
| Latvia Int. Qual | 2023/08/30 13:20 | Michal Walentek v Akseli Aalto | W | 2-0 |
| Open di Polonia - Qual. | 2023/03/22 10:20 | Michal Walentek v Filip Spoljarec | L | 0-2 |
| Open della Repubblica Ceca - Qual | 2022/10/20 10:30 | Michal Walentek v Yan Kit Wong | L | 0-2 |
| Internazionali di Polonia - Qual. | 2022/09/21 09:00 | Ze Xi Sean Ngu v Michal Walentek | L | 2-0 |
| Internazionali di Bonn - Qual. | 2022/06/15 09:00 | Christopher Klauer v Michal Walentek | L | 2-0 |
| Open della Repubblica Ceca - Qual | 2021/10/21 10:15 | Valentin Singer v Michal Walentek | L | 2-0 |
| Internazionali di Polonia - Qual. | 2023/09/21 08:20 | Kai Hern Huan v Mikolaj Morawski | W | 2-0 |
| Internazionali del Belgio | 2023/09/14 11:05 | Kai Hern Huan v Joran Kweekel | L | 0-2 |
| Internazionali del Belgio - Qual. | 2023/09/13 13:20 | Kai Hern Huan v Aaron Sonnenschein | W | 2-0 |
| Internazionali del Belgio - Qual. | 2023/09/13 10:05 | Shaun Ally Aamir v Kai Hern Huan | W | 0-2 |
| Slovenia - Future Series | 2023/09/09 14:20 | Aria Dinata v Kai Hern Huan | L | 2-0 |
| Slovenia - Future Series | 2023/09/09 07:20 | Mateusz Danielak v Kai Hern Huan | W | 1-2 |
| Slovenia - Future Series | 2023/09/08 15:45 | Kai Hern Huan v Wolfgang Gnedt | W | 2-0 |
| Slovenia - Future Series | 2023/09/08 10:30 | Nadeem Dalvi v Kai Hern Huan | W | 0-2 |