| Bonn Int. Qual | 2023/05/31 09:10 | Niederhuber, Kai v Kim Kristensen, D. | W | 0-2 |
| Slovenia Open Quals | 2023/05/18 09:30 | Yu Huang v Kim Kristensen, D. | L | 2-1 |
| Slovenia Open Quals | 2023/05/17 15:45 | Bene Benjamin Kiss v Kim Kristensen, D. | W | 0-2 |
| Slovenia Open Quals | 2023/05/17 07:40 | Kim Kristensen, D. v 크라페즈, 안드라즈 | W | 2-1 |
| Luxembourg Open | 2023/05/05 11:00 | 그네에트, 볼프강 v Kim Kristensen, D. | L | 2-0 |
| Luxembourg Open Qual | 2023/05/04 16:50 | 바슈비츠, 에르네스토 v Kim Kristensen, D. | W | 0-2 |
| Luxembourg Open Qual | 2023/05/04 14:50 | Kim Kristensen, D. v Grinblat, Maxim | W | 2-0 |
| Luxembourg Open Qual | 2023/05/04 09:50 | Kim Kristensen, D. v Naren Shankar Iyer | W | 2-1 |
| Bonn Int. Qual | 2023/05/31 17:20 | James Robertson v Koppen, Dennis | W | 0-2 |
| Bonn Int. Qual | 2023/05/31 09:45 | David Silva v Koppen, Dennis | W | 0-2 |
| Luxembourg Open Qual | 2023/05/04 14:50 | Simon Baron-Vezilier v Koppen, Dennis | L | 2-0 |
| Luxembourg Open Qual | 2023/05/04 12:15 | Kian-Yu Oei v Koppen, Dennis | W | 0-2 |
| Luxembourg Open Qual | 2023/05/04 08:00 | 올슨, 루드비히 페트레 v Koppen, Dennis | W | 0-2 |
| Dutch Int. | 2023/04/14 10:20 | 코에니그, 조엘 v Koppen, Dennis | L | 2-0 |
| Dutch Int. Qual | 2023/04/13 20:00 | Ze Xi Sean Ngu v Koppen, Dennis | W | 0-2 |
| Dutch Int. Qual | 2023/04/13 14:05 | Koppen, Dennis v Zack Bobrowski | W | 2-0 |