Willem van Kooi
| Date | Contest | Band | Position | Draw |
|---|---|---|---|---|
| 12 Jun 2010 |
Euro Brass (C-Group)
|
Backum Brass
|
7 | 6 |
| 13 Jun 2009 |
Euro Brass (C-Group)
|
Backum Brass
|
5 | |
| 2009 |
Gouden Spiker Festival (Fourth Division)
|
Backum Brass - Castricum
|
1 | |
| 2008 |
Gouden Spiker Festival (Fourth Division)
|
Alkmaar Brass
|