| 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 |
| 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 Open (GP) 2017, Qualification | 2023/10/11 16:05 | Sanjeevi Padmanabhan Vasudevan v Jasper Koppen | W | 2-1 |
| Dutch Open (GP) 2017, Qualification | 2023/10/11 13:45 | Sanjeevi Padmanabhan Vasudevan v Frits Reumer | W | 2-0 |
| Bulgarian Int | 2023/10/06 14:50 | Sanjeevi Padmanabhan Vasudevan v 크랄, 이리 | L | 0-2 |
| Bulgarian Int | 2023/10/06 08:25 | 클링가드, 매그너스 v Sanjeevi Padmanabhan Vasudevan | W | 1-2 |
| Bulgarian Int. Qual | 2023/10/05 14:45 | 야사르, 유세프 v Sanjeevi Padmanabhan Vasudevan | W | 0-2 |
| Bulgarian Int. Qual | 2023/10/05 13:00 | Sanjeevi Padmanabhan Vasudevan v Rasmus Andersson | W | 2-0 |
| Bulgarian Int. Qual | 2023/10/05 07:10 | Erik Li v Sanjeevi Padmanabhan Vasudevan | W | 0-2 |
| Latvia Int. Qual | 2023/09/01 06:40 | Arthur Wakhevitsch v Sanjeevi Padmanabhan Vasudevan | L | 2-1 |