| Europa League 1972/1973 - Appearances as Referee |  |
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| 04/10/1972 | Levski Sofia | - | Universitatea Cluj | 5:1 aet | 4 | - | - |
| Europa League 1972/1973 - Appearances as Referee | |
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| 04/10/1972 | Levski Sofia | - | Universitatea Cluj | 5:1 aet | 4 | - | - |
| Complete name: | Ivan Pláček |
| Born: | |
| Place of birth: |
Slovakia |
| Residence: | Zilina / Bytca |
| Nationality: |
Czech Republic |