| Eredivisie 1961/1962 - Appearances as Referee |  |
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| 25/03/1962 | DOS Utrecht | - | Rapid JC Heerlen | 5:0 | - | - | - |
| 23/04/1962 | Willem II | - | VVV | 1:2 | - | - | - |
| 13/05/1962 | Blauw Wit | - | DWS Amsterdam | 1:2 | - | - | - |
| Eredivisie 1961/1962 - Appearances as Referee | |
|
|
||||
| 25/03/1962 | DOS Utrecht | - | Rapid JC Heerlen | 5:0 | - | - | - |
| 23/04/1962 | Willem II | - | VVV | 1:2 | - | - | - |
| 13/05/1962 | Blauw Wit | - | DWS Amsterdam | 1:2 | - | - | - |
| Complete name: | Jaap Verkerk |
| Born: | 02/06/1933 |
| Place of birth: |
Netherlands |
| Nationality: |
Netherlands |