| Slovak Open - Kwal. | 04/17 11:05 | - | Angus Meldrum v Michal Walentek | L | 2-0 | |
| Polish Open - Kwal. | 03/20 15:35 | - | Kim Linell v Michal Walentek | L | 2-0 | |
| Hungarian Int. - Kwal. | 11/01 08:35 | - | Magnus Klinggaard v Michal Walentek | L | 2-0 | |
| Polish Int. - Kwal. | 09/21 13:40 | - | Michal Walentek v Kai Hern Huan | L | 0-2 | |
| Poolse Int. | 09/21 11:40 | - | Nadeem Dalvi v Michal Walentek | - | Walkover | |
| Polish Int. - Kwal. | 09/21 08:20 | - | Mykola Shkliaiev v Michal Walentek | W | 0-2 | |
| Latvia Int. Qual | 08/31 10:05 | - | Michal Walentek v Jonas Petkus | L | 0-2 | |
| Latvia Int. Qual | 08/30 13:20 | - | Michal Walentek v Akseli Aalto | W | 2-0 | |
| Polish Open - Kwal. | 03/22 10:20 | - | Michal Walentek v Filip Spoljarec | L | 0-2 | |
| Czech Open - Kwal. | 10/20 10:30 | - | Michal Walentek v Yan Kit Wong | L | 0-2 | |
| Polish Int. - Kwal. | 09/21 09:00 | - | Ze Xi Sean Ngu v Michal Walentek | L | 2-0 | |
| Bonn Int. - Kwal. | 06/15 09:00 | - | Christopher Klauer v Michal Walentek | L | 2-0 | |
| Czech Open - Kwal. | 10/21 10:15 | - | Valentin Singer v Michal Walentek | L | 2-0 | |
| Polish Int. - Kwal. | 09/23 11:00 | - | Gustav Andree v Michal Walentek | L | 2-0 | |
| Lithuanian Int. | 06/11 11:30 | - | Michal Walentek v Cristian Savin | L | 1-2 | |
| Austrian Open - Kwal. | 05/27 10:10 | - | David Kim v Michal Walentek | L | 2-0 | |
| Polish Open - Kwal. | 03/25 12:00 | - | Dimitar Yanakiev v Michal Walentek | L | 2-0 | |
| Slovak Open - Kwal. | 02/26 09:55 | - | Michal Walentek v Alexander Rydstrom | L | 1-2 | |
| Austrian Open - Kwal. | 02/19 11:20 | - | Jannik Auberger v Michal Walentek | - | Walkover | |
| Iceland Int. - Kwal. | 01/23 15:00 | - | Michal Walentek v Mads Juel Moller | L | 0-2 | |
| Iceland Int. - Kwal. | 01/23 09:00 | - | Michal Walentek v David Orn Hardarson | W | 2-0 | |
| Estonian Int. - Kwal. | 01/09 09:00 | - | Justus Kilpi v Michal Walentek | L | 2-0 | |
| Polish Int. - Kwal. | 09/19 10:30 | - | Michal Walentek v Miha Ivancic | L | 0-2 | |
| Belarus Int. Qual | 08/29 09:10 | - | Evgeny Chertilin v Michal Walentek | L | 2-0 | |
| Hellas Int. - Kwal. | 05/03 06:00 | - | Niclas Borg Sigg v Michal Walentek | W | 0-2 | |
| Hellas Int. - Kwal. | 05/02 13:30 | - | Michal Walentek v Robby Bronselaer | W | 2-1 | |
| Hellas Int. - Kwal. | 05/02 10:30 | - | Michal Walentek v Alparslan Karaman | W | 2-0 | |
| Giraldilla Int. XD | 09/21 07:40 | 1 | Michal Walentek v Philipp Drexler | L | 0-2 |