| KNVB beker 1980/1981 - Appearances as Referee |  |
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 |
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| 05/09/1980 | sc Heerenveen | - | ACV Assen | 3:2 | 3 | - | - |
| 15/11/1980 | Fortuna Sittard | - | Roda JC Kerkrade | 1:2 | - | - | - |
| 24/02/1981 | SBV Haarlem | - | AZ '67 Alkmaar | 1:1 | - | - | - |
| KNVB beker 1980/1981 - Appearances as Referee | |
|
|
||||
| 05/09/1980 | sc Heerenveen | - | ACV Assen | 3:2 | 3 | - | - |
| 15/11/1980 | Fortuna Sittard | - | Roda JC Kerkrade | 1:2 | - | - | - |
| 24/02/1981 | SBV Haarlem | - | AZ '67 Alkmaar | 1:1 | - | - | - |
| Complete name: | Albert Rudolf Thomas |
| Born: | 07/10/1939 |
| Place of birth: |
Amsterdam, 
Netherlands |
| Nationality: |
Netherlands |