| Bonn Int. - Mixed dubbel | 05/30 10:00 | - | Koppen/Chen vs Orteu/Racloz | - | View |
| Dutch Int. - Mixed dubbel | 03/15 19:00 | - | Melaniuk/Plawecka v Koppen/Chen | L | 2-0 | |
| Dutch Int. - Mixed dubbel - Kval | 03/14 08:05 | - | Koppen/Chen v Franco/Paya | - | View | |
| Czech Open - Mixed dubbel | 10/20 07:30 | - | Birker/Au Yeong v Koppen/Chen | L | 2-1 | |
| Dutch Open - Mixed dubbel | 10/12 09:20 | - | Vlaar/Teuben v Koppen/Chen | L | 2-0 | |
| Bonn Int. - Mixed dubbel | 06/01 10:00 | - | Koppen/Chen v Labarthe/Pognante | L | 1-2 | |
| Dutch Int. - Mixed dubbel | 04/14 07:45 | - | Ichikawa/Shigeta v Koppen/Chen | L | 2-0 | |
| Dutch Int. - Mixed dubbel - Kval | 04/13 17:20 | - | Reumer/Stoffelen v Koppen/Chen | W | 0-2 | |
| Dutch Int. - Mixed dubbel - Kval | 04/13 07:05 | - | Koppen/Chen v Kulisek/Zuzakova | D |
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| Slovenien - Future Series - Mixed dubbel | 11/26 08:00 | - | Tomic/Vitman v Koppen/Chen | L | 2-1 | |
| Slovenien - Future Series - Mixed dubbel | 11/25 13:15 | - | Nero/Pinto Leite v Koppen/Chen | W | 0-2 |