| Europa League 1983/1984 - Appearances as Referee |  |
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| 28/09/1983 | 1. FC Lokomotive Leipzig | - | Girondins Bordeaux | 4:0 | - | - | - |
| 06/03/1984 | Tottenham Hotspur | - | Austria Wien | 2:0 | - | - | - |
| Europa League 1983/1984 - Appearances as Referee | |
|
|
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| 28/09/1983 | 1. FC Lokomotive Leipzig | - | Girondins Bordeaux | 4:0 | - | - | - |
| 06/03/1984 | Tottenham Hotspur | - | Austria Wien | 2:0 | - | - | - |
| Complete name: | Egon Sostarić |
| Born: | 25/11/1941 |
| Place of birth: |
Yugoslavia |
| Residence: | Maribor |
| Nationality: |
Serbia |