| WTT Contender Lasko | 2021/11/03 12:40 | Steffen Mengel v Eric Jouti | W | 3-0 |
| WTT Contender Lasko | 2021/11/02 18:45 | Steffen Mengel v Snehit Suravajjula | W | 3-0 |
| WTT Contender Lasko | 2021/11/02 12:05 | Steffen Mengel v Pedro Osiro | W | 3-0 |
| Europe Cup | 2021/05/15 09:20 | Patrick Baum v Steffen Mengel | L | 3-2 |
| Europe Cup | 2021/05/14 17:05 | Zsolt Peto v Steffen Mengel | W | 1-3 |
| Europe Cup | 2021/05/13 08:25 | Steffen Mengel v Miho Simovic | W | 3-1 |
| Europe Cup | 2021/05/12 12:45 | Steffen Mengel v Marc Duran | W | 3-1 |
| Europe Cup | 2021/05/12 11:35 | Steffen Mengel v Joan Masip | W | 3-1 |
| WTT Contender Lasko | 2021/11/03 13:15 | Olav Kosolosky v Ivor Ban | W | 3-2 |
| WTT Contender Lasko | 2021/11/02 17:00 | Olav Kosolosky v John Oyebode | W | 3-1 |
| WTT Contender Lasko | 2021/11/02 08:35 | Qihao Zhou v Olav Kosolosky | W | 2-3 |
| WTT Contender Lasko | 2021/11/01 13:00 | Carlo Rossi v Olav Kosolosky | W | 2-3 |
| Oman Open - U21 - Damer | 2020/03/12 16:20 | Olav Kosolosky v Layan Neumann | W | 3-0 |
| Polish Open | 2020/03/12 13:15 | Olav Kosolosky v Leonardo Castillo Herrera | W | 3-0 |
| Polish Open | 2020/03/11 16:20 | Emiliano Riofrio v Olav Kosolosky | W | 0-3 |
| Oman Open - U21 - Damer | 2020/03/11 10:20 | Olav Kosolosky v Leonardo Castillo Herrera | W | 3-0 |