| Open du Luxembourg - Qualif. | 2022/05/05 14:20 | Dennis Koppen v Ludvig Petre Olsson | L | 2-0 |
| Open de Slovaquie - Qualif. | 2022/03/02 16:20 | Dennis Koppen v Ludvig Petre Olsson | L | 2-0 |
| International du Portugal Qualif. | 2023/03/08 16:05 | Jack Yu v Ludvig Petre Olsson | L | 2-0 |
| International du Portugal Qualif. | 2023/03/08 09:40 | Pedro Portelas v Ludvig Petre Olsson | W | 0-2 |
| Estonie Int. - Qualif. | 2023/01/12 15:20 | Parkhoei, Axel Henrik v Ludvig Petre Olsson | L | 2-0 |
| Estonie Int. - Qualif. | 2023/01/12 11:00 | Ludvig Petre Olsson v Christensen, Jeppe Bruun | W | 2-1 |
| Estonie Int. - Qualif. | 2023/01/12 09:10 | Ludvig Petre Olsson v Andrei Don | W | 2-0 |
| Norwegian Int. Qual | 2022/11/10 18:30 | Ludvig Petre Olsson v Heng Lin Ngan | L | 1-2 |
| Norwegian Int. Qual | 2022/11/10 15:00 | Avinash Shastri v Ludvig Petre Olsson | W | 0-2 |
| Czech Open Qual | 2022/10/20 11:50 | Jiri Kral v Ludvig Petre Olsson | L | 2-0 |
| Dutch Int. - | 2023/04/14 10:20 | Joel Koenig v Dennis Koppen | L | 2-0 |
| Dutch Int. - Qualif. | 2023/04/13 20:00 | Ze Xi Sean Ngu v Dennis Koppen | W | 0-2 |
| Dutch Int. - Qualif. | 2023/04/13 14:05 | Dennis Koppen v Zack Bobrowski | W | 2-0 |
| Dutch Int. - Qualif. | 2023/04/13 08:20 | Keith Mark Edison v Dennis Koppen | W | 0-2 |
| Slovenia Future Series | 2022/11/25 15:20 | Mateusz Danielak v Dennis Koppen | L | 2-1 |
| Hungarian Int. Qual | 2022/11/02 12:00 | Cholan Kayan v Dennis Koppen | L | 2-0 |
| Dutch Open | 2022/10/13 08:35 | Burestedt, Felix v Dennis Koppen | L | 2-0 |
| Dutch Open (GP) 2017, Qualification | 2022/10/12 08:45 | Dennis Koppen v Aaron Sonnenschein | W | 2-1 |