| Friendlies 1921 - Appearances as Referee |  |
 |
 |
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| 06/03/1921 | Belgium | - | France | 3:1 | - | - | - |
| 24/04/1921 | Austria | - | Hungary | 4:1 | - | - | - |
| 21/05/1921 | Belgium | - | England | 0:2 | - | - | - |
| Friendlies 1921 - Appearances as Referee | |
|
|
||||
| 06/03/1921 | Belgium | - | France | 3:1 | - | - | - |
| 24/04/1921 | Austria | - | Hungary | 4:1 | - | - | - |
| 21/05/1921 | Belgium | - | England | 0:2 | - | - | - |
| Complete name: | D. Johannes Mutters |
| Born: | 19/02/1889 † 08/03/1974 |
| Place of birth: |
Den Haag, 
Netherlands |
| Nationality: |
Netherlands |