| Luxembourg Open Qual | 2024/05/02 13:30 | 코, 지아 웨이 조엘 v Koppen, Dennis | W | 1-2 |
| Spanish Int. | 2023/11/14 16:20 | Jakob Houe v Koppen, Dennis | L | 2-1 |
| Czech Open | 2023/10/20 08:20 | 그네에트, 볼프강 v Koppen, Dennis | L | 2-0 |
| Dutch Open (GP) 2016 | 2023/10/13 14:25 | Koppen, Dennis v 드와카효, 에이드 레스키 | L | 0-2 |
| Dutch Open (GP) 2016 | 2023/10/12 13:55 | Koppen, Dennis v Sanjeevi Padmanabhan Vasudevan | W | 2-1 |
| Dutch Open (GP) 2017, Qualification | 2023/10/11 17:50 | Koppen, Dennis v Karl Sufryd | W | 2-0 |
| Dutch Open (GP) 2017, Qualification | 2023/10/11 14:00 | Koppen, Dennis v 루세브, 이반 | W | 2-1 |
| Bonn Int. Qual | 2023/05/31 17:20 | James Robertson v Koppen, Dennis | W | 0-2 |
| Luxembourg Open Qual | 2024/05/02 16:20 | 홈, 디틀레프 예거 v Bjorkler, Gustav | L | 1-2 |
| Luxembourg Open Qual | 2024/05/02 07:40 | 홈, 디틀레프 예거 v Shao-Hsuan Chen | W | 2-0 |
| Polish Open Qual | 2024/03/21 08:20 | Aria Dinata v 홈, 디틀레프 예거 | L | 2-1 |
| Polish Open Qual | 2024/03/20 18:30 | Andrej Suchy v 홈, 디틀레프 예거 | W | 1-2 |
| Polish Open Qual | 2024/03/20 08:35 | 홈, 디틀레프 예거 v 스토크피즈, 시몬 | W | 2-0 |
| Dutch Int. | 2024/03/16 09:00 | 홈, 디틀레프 예거 v Tharun Mannepalli | L | 1-2 |
| Dutch Int. | 2024/03/15 18:41 | 홈, 디틀레프 예거 v Tharun Mannepalli | L | 1-2 |
| Dutch Int. | 2024/03/15 13:40 | Huang, Harry v 홈, 디틀레프 예거 | W | 1-2 |