| Bonn Int. XD | 2024/05/30 10:10 | Feltes/Zoe Sinico v Koppen/Van Wijk | W | 0-2 |
| Luxembourg Open XD Qual | 2024/05/02 08:15 | Koppen/Van Wijk v Russ/Tommerup | L | 1-2 |
| Dutch Open XD | 2023/10/13 11:20 | Green/Tolman v Koppen/Van Wijk | L | 2-0 |
| Dutch Open XD | 2023/10/12 11:15 | Koppen/Van Wijk v Karl Sufryd/Rudert | W | 2-0 |
| Italian Int. XD Qual | 2021/12/16 08:00 | Koppen/Van Wijk v Danchenko/Kironda | L | 1-2 |
| Bonn Int. XD | 2024/05/30 09:50 | Koppen/Chen v Orteu/Racloz | W | 2-1 |
| Dutch Int. XD | 2024/03/15 19:00 | Melaniuk/Plawecka v Koppen/Chen | L | 2-0 |
| Czech Open XD | 2023/10/20 07:30 | Birker/Au Yeong v Koppen/Chen | L | 2-1 |
| Dutch Open XD | 2023/10/12 09:20 | Vlaar/Teuben v Koppen/Chen | L | 2-0 |
| Bonn Int. XD | 2023/06/01 10:00 | Koppen/Chen v Pognante/Labarthe | L | 1-2 |
| Dutch Int. XD | 2023/04/14 07:45 | Ichikawa/Shigeta v Koppen/Chen | L | 2-0 |
| Dutch Int. XD Qual | 2023/04/13 17:20 | Reumer/Stoffelen v Koppen/Chen | W | 0-2 |
| Slovenia Future Series XD | 2022/11/26 08:00 | Tomic/Vitman v Koppen/Chen | L | 2-1 |