| Europa League 1989/1990 - Appearances as Referee |  |
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| 11/09/1989 | FC Wettingen | - | Dundalk FC | 3:0 | - | - | - |
| Europa League 1989/1990 - Appearances as Referee | |
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| 11/09/1989 | FC Wettingen | - | Dundalk FC | 3:0 | - | - | - |
| Complete name: | Dušan Krchňák |
| Born: | 14/10/1947 |
| Place of birth: |
Bratislava, 
Slovakia |
| Residence: | Bratislava |
| Nationality: |
Czech Republic |
| Club: | Karriereende |