| 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. | 2021/09/23 11:00 | Gustav Andree v Michal Walentek | L | 2-0 |
| Internazionali di Lituania | 2021/06/11 11:30 | Michal Walentek v Cristian Savin | L | 1-2 |
| Open d'Austria - Qual. | 2021/05/27 10:10 | David K Kristensen v Michal Walentek | L | 2-0 |
| Open di Polonia - Qual. | 2021/03/25 12:00 | Dimitar Yanakiev v Michal Walentek | L | 2-0 |
| Open di Slovacchia - Qual. | 2020/02/26 09:55 | Michal Walentek v Alexander Rydstrom | L | 1-2 |
| Internazionali d'Islanda - Qual. | 2020/01/23 15:00 | Michal Walentek v Mads Juel Moller | L | 0-2 |