| 1931/06/21 | Athletic Bilbao |  | 3-1 |  | Real Betis |
| Ida | Vuelta | POff | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|
 | (5-6) |  | 3-1 | 1-3 | 2-1 | |||||
| (5-3) |  | 4-0 | 1-3 | ||||||
 | (1-2) | | 1-0 | 0-2 | ||||||
 | (1-6) |  | 1-2 | 0-4 | ||||||
 | (4-1) |  | 4-1 | 0-0 | ||||||
 | (3-0) |  | 3-0 | 0-0 | ||||||
 | (0-4) |  | 0-0 | 0-4 | ||||||
 | (4-3) |  | 2-2 | 2-1 |
| Ida | Vuelta | |||||||
|---|---|---|---|---|---|---|---|---|
| (4-2) |  | 3-1 | 1-1 | ||||
 | (1-7) | | 0-2 | 1-5 | ||||
 | (4-5) | | 2-2 | 2-3 | ||||
| (12-1) |  | 9-0 | 3-1 | ||||
 | (3-8) | | 2-0 | 1-8 | ||||
| (6-5) |  | 5-1 | 1-4 | ||||
| (15-1) |  | 7-0 | 8-1 | ||||
| (5-4) |  | 2-0 | 3-4 | ||||
| (4-2) |  | 2-1 | 2-1 | ||||
| (3-1) |  | 1-0 | 2-1 | ||||
 | (1-3) | | 1-0 | 0-3 | ||||
| - |  | ANU | ANU | ||||
| - |  | ANU | ANU | ||||
| (9-2) |  | 4-0 | 5-2 |
| Fase | Fecha | Hora | |||||
|---|---|---|---|---|---|---|---|
| 0 | 1/16 | Real Oviedo | ANU | Lorca Deportiva | 1931-04-12 | 00:00 | |
| 0 | 1/16 | Badalona | ANU | Real Zaragoza | 1931-04-12 | 00:00 | |
| 0 | 1/16 | Lorca Deportiva | ANU | Real Oviedo | 1931-04-26 | 00:00 | |
| 0 | 1/16 | Real Zaragoza | ANU | Badalona | 1931-04-26 | 00:00 |
