| 17. Round | 09/01/1988 | Cádiz CF | - | Athletic Club | 0:0 | ||||
| 23. Round | 13/02/1988 | Athletic Club | - | Real Betis | 2:0 | ||||
| 24. Round | 19/02/1988 | FC Barcelona | - | Athletic Club | 1:2 |  |
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| 25. Round | 27/02/1988 | Athletic Club | - | Real Murcia | 1:2 | ||||
| 26. Round | 04/03/1988 | Real Sociedad | - | Athletic Club | 0:1 | ||||
| 27. Round | 08/03/1988 | Athletic Club | - | Real Valladolid | 1:0 | |
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| 28. Round | 11/03/1988 | Real Madrid | - | Athletic Club | 5:0 | ||||
| 29. Round | 19/03/1988 | Athletic Club | - | Sporting Gijón | 1:1 | ||||
| 30. Round | 26/03/1988 | Real Zaragoza | - | Athletic Club | 1:1 | |
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| 31. Round | 02/04/1988 | Athletic Club | - | CA Osasuna | 2:1 | ||||
| 32. Round | 08/04/1988 | UD Las Palmas | - | Athletic Club | 3:1 | ||||
| 33. Round | 16/04/1988 | Athletic Club | - | Sevilla FC | 2:1 | ||||
| 34. Round | 22/04/1988 | Espanyol Barcelona | - | Athletic Club | 1:1 | ||||
| 35. Round | 30/04/1988 | Athletic Club | - | Valencia CF | 1:1 | ||||
| 36. Round | 07/05/1988 | Athletic Club | - | Cádiz CF | 0:0 | ||||
| 37. Round | 13/05/1988 | Atlético Madrid | - | Athletic Club | 1:0 | ||||
| 38. Round | 21/05/1988 | Athletic Club | - | CE Sabadell | 2:0 |
Spain