| Primera División 1986/1987 Playoff 1-6 - Appearances as Referee |  |
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| 11/04/1987 | Real Madrid | - | FC Barcelona | 0:0 | 3 | - | - |
| 22/05/1987 | FC Barcelona | - | Real Madrid | 2:1 | 4 | - | - |
| Primera División 1986/1987 Playoff 1-6 - Appearances as Referee | |
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|
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| 11/04/1987 | Real Madrid | - | FC Barcelona | 0:0 | 3 | - | - |
| 22/05/1987 | FC Barcelona | - | Real Madrid | 2:1 | 4 | - | - |
| Complete name: | Ildefonso Urizar Azpitarte |
| Born: | 19/11/1943 |
| Place of birth: |
Bilbao, 
Spain |
| Nationality: |
Spain |