| KNVB beker 1968/1969 - Appearances as Referee |  |
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 |
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| 15/09/1968 | Fortuna Vlaardingen | - | MVV | 0:1 aet | - | - | - |
| 09/03/1969 | RKSV Volendam | - | AVC Heracles | 1:2 | - | - | - |
| KNVB beker 1968/1969 - Appearances as Referee | |
|
|
||||
| 15/09/1968 | Fortuna Vlaardingen | - | MVV | 0:1 aet | - | - | - |
| 09/03/1969 | RKSV Volendam | - | AVC Heracles | 1:2 | - | - | - |
| Complete name: | Joop Mulders |
| Born: | 22/02/1924 |
| Place of birth: |
Leidschendam, 
Netherlands |
| Nationality: |
Netherlands |