Season
| Date | Competition | Type | Home | Visitor | Stadium | ||||
|---|---|---|---|---|---|---|---|---|---|
| 03/04/1921 | King's Cup | Round of 8 (first leg) | Athletic Club |  | 2 1 |  | Sporting de Gijón | San Mamés | |
| 10/04/1921 | King's Cup | Round of 8 (second leg) | Sporting de Gijón | | 0 1 | | Athletic Club | El Molinón | |
| 01/05/1921 | King's Cup | Semifinal (first leg) | Athletic Club | |  | Sevilla | |||
| 02/05/1921 | King's Cup | Semifinal (second leg) | Sevilla | | | Athletic Club | |||
| 08/05/1921 | King's Cup | Final | Athletic Club | | 4 1 |  | Athletic de Madrid |