| Champions League 1978/1979 - Appearances as Referee |  |
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| 21/03/1979 | Dynamo Dresden | - | Austria Wien | 1:0 | 1 | - | 1 |
| Champions League 1978/1979 - Appearances as Referee | |
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|
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| 21/03/1979 | Dynamo Dresden | - | Austria Wien | 1:0 | 1 | - | 1 |
| Complete name: | Johannes Nicolaus Ignacius Keizer |
| Born: | 06/10/1940 |
| Place of birth: |
Volendam, 
Netherlands |
| Nationality: |
Netherlands |