7.Spanish National Championships - Bilbao - October 1-3 1931
Finals
| 1931-10-01 | 50,8kg | Salvador Lozano | Duarte | PTS |
| 1931-10-03 | 53,5kg | Jose Jimenez | De Gregorio | PTS |
| 1931-10-03 | 57,2kg | Sanz | Estevez | TKO |
| 1931-10-03 | 61,2kg | Darwin Arambilet | Guadelupe | TKOI |
| 1931-10-03 | 66,7kg | Blasco | Martinez | PTS |
| 1931-10-03 | 72,6kg | Gabriel Zubiaga | Marin | ??? |
| 1931-10-03 | 79,4kg | Jorda | Garcia Moreno | ??? |
| 1931-10-03 | +79,4kg | Jose Irastorza | Tico | AB 2 |
thanks to Zbigniew Gorlewski
Spanish National Champs History | National Champs Index | 1931 Results