HomeTeamsAthletic Club1939-40Athletic Club - Arenas ClubMatchday 4Campeonato RegionalAthletic Club - Arenas ClubAthletic Club51Arenas Club Gorostiza, G40' ,44' Panizo49' Unamuno IUriarte Sunday 22/10/193915:30LocationSan Mamés, BilboLine-upsAthletic ClubArenas ClubStarting XILlorente SanzArquetaOcejaBertolImanol ViarUrraMacalaPanizoUnamuno IUnamuno IIGorostiza, GSubstitutesHead coachRoberto EtxebarriaHomeAthletic ClubStarting XILlorente SanzArquetaOcejaBertolImanol ViarUrraMacalaPanizoUnamuno IUnamuno IIGorostiza, GSubstitutesHead coachRoberto EtxebarriaAwayArenas ClubStarting XIJauregiBasagurenMardarasCampaPérezCalvoLarrondoLlona IOrtuzarLlona IIUriarteSubstitutesHead coachJosé María PeñaMatch officialsAchalandabaso Zabala AntónRefereeEuskadi