Walter Horstmann - Football referee
| UEFA Cup 1981 - 1982 | ||||
| 1st round | Atlético de Madrid | Boavista FC | 1981-09-30 | 3 - 1 |
| Euro 1980 qualifiers | ||||
| Luxembourg | Sweden | 1979-10-23 | 1 - 1 | |
| UEFA Cup 1979 - 1980 | ||||
| 1st round | Diosgyori VTK | Rapid Wien | 1979-10-03 | 3 - 2 |
| UEFA Cup 1978 - 1979 | ||||
| 1st round | Athletic Bilbao | Ajax | 1978-09-13 | 2 - 0 |
| Fairs Cup 1970 - 1971 | ||||
| 1st round | Ferencváros | Liverpool | 1970-09-29 | 1 - 1 |
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