| KNVB beker 1977/1978 - Appearances as Referee |  |
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| 19/11/1977 | ACV Vitesse | - | FC Den Haag | 3:0 | - | - | - |
| 20/12/1977 | PSV Eindhoven | - | WVV Wageningen | 1:6 | - | - | - |
| 14/03/1978 | Sparta Rotterdam | - | ACV Vitesse | 2:0 | - | - | - |
| KNVB beker 1977/1978 - Appearances as Referee | |
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|
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| 19/11/1977 | ACV Vitesse | - | FC Den Haag | 3:0 | - | - | - |
| 20/12/1977 | PSV Eindhoven | - | WVV Wageningen | 1:6 | - | - | - |
| 14/03/1978 | Sparta Rotterdam | - | ACV Vitesse | 2:0 | - | - | - |
| Complete name: | Jan F. Beck |
| Born: | 11/08/1933 |
| Place of birth: |
Netherlands |
| Residence: | Amsterdam / Osdorp |
| Nationality: |
Netherlands |