| 7. Ronde | 12.10.1999 | Málaga CF | - | Athletic Club | 3:4 | ||||
| 10. Ronde | 31.10.1999 | Athletic Club | - | Real Oviedo | 1:1 | ||||
| 11. Ronde | 07.11.1999 | Sevilla FC | - | Athletic Club | 0:0 | ||||
| 17. Ronde | 22.12.1999 | Racing Santander | - | Athletic Club | 2:2 |  |
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| 19. Ronde | 09.01.2000 | Deportivo Alavés | - | Athletic Club | 1:2 | ||||
| 20. Ronde | 16.01.2000 | Real Betis | - | Athletic Club | 2:1 | ||||
| 21. Ronde | 23.01.2000 | Athletic Club | - | Real Valladolid | 1:0 | |
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| 22. Ronde | 30.01.2000 | Real Madrid | - | Athletic Club | 3:1 | ||||
| 23. Ronde | 06.02.2000 | Athletic Club | - | CD Numancia | 2:1 | ||||
| 24. Ronde | 12.02.2000 | Athletic Club | - | RCD Mallorca | 1:1 | ||||
| 25. Ronde | 19.02.2000 | Deportivo La Coruña | - | Athletic Club | 2:0 | |
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| 26. Ronde | 27.02.2000 | Athletic Club | - | Málaga CF | 2:2 |  |
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| 27. Ronde | 04.03.2000 | Valencia CF | - | Athletic Club | 2:0 |  |
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| 29. Ronde | 19.03.2000 | Real Oviedo | - | Athletic Club | 1:0 | ||||
| 30. Ronde | 25.03.2000 | Athletic Club | - | Sevilla FC | 1:1 | ||||
| 32. Ronde | 09.04.2000 | Athletic Club | - | Rayo Vallecano | 1:2 | ||||
| 34. Ronde | 22.04.2000 | Athletic Club | - | Celta de Vigo | 1:0 |
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