| KNVB beker 1980/1981 - Appearances as Referee |  |
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 |
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| 14/11/1980 | MVV | - | FC Amsterdam | 3:0 | 1 | - | - |
| 24/02/1981 | AFC Ajax | - | FC Groningen | 3:0 | - | - | - |
| KNVB beker 1980/1981 - Appearances as Referee | |
|
|
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| 14/11/1980 | MVV | - | FC Amsterdam | 3:0 | 1 | - | - |
| 24/02/1981 | AFC Ajax | - | FC Groningen | 3:0 | - | - | - |
| Complete name: | Piet Bosman |
| Born: | 03/11/1936 † 15/11/2014 |
| Place of birth: |
Rotterdam, 
Netherlands |
| Nationality: |
Netherlands |