| Hungarian Int. MD | 11/04 12:20 | - | Sondergaard/Thogersen v Koppen/Stoffelen | L | 2-0 | |
| Hungarian Int. MD | 11/03 18:40 | - | Koppen/Stoffelen v Papai/Papai | W | 2-0 | |
| Dutch Open MD | 10/13 15:35 | - | Kjaer/Sogaard v Koppen/Stoffelen | L | 2-0 | |
| Spanish Int. MD | 09/14 14:00 | - | Koppen/Stoffelen v Olivares/Perez | L | 0-2 | |
| Spanish Int. MD | 09/14 11:30 | - | Koppen/Stoffelen v Barbieri/Peillet | W | 2-0 | |
| Bonn Int. MD | 06/17 11:00 | - | Chiu T / Yang V v Koppen/Stoffelen | L | 2-0 | |
| Bonn Int. MD | 06/16 19:35 | - | Rodrigo Almeida/Tremoceiro v Koppen/Stoffelen | W | 0-2 | |
| Lithuanian Int. MD | 06/10 14:35 | - | Abela M / Cassar S v Koppen/Stoffelen | W | 1-2 | |
| Luxembourg Open MD | 05/06 13:40 | - | Gupta/Yap v Koppen/Stoffelen | L | 2-0 | |
| Dutch Int. - Doubles Hommes | 04/14 09:40 | - | Koppen/Stoffelen v Kjaer/Sogaard | L | 0-2 | |
| Slovak Open MD | 03/03 20:00 | - | Koppen/Stoffelen v Boon/Wong | L | 0-2 | |
| Open de Suède - Doubles Hommes | 01/21 17:25 | - | Koppen/Stoffelen v Corvee/Gaudin | L | 0-2 |