▁leading ▁on ▁all ▁score cards , ▁he ▁was ▁struck ▁by ▁a ▁Y as uts une ▁U eh ara ▁right ▁hand ▁to ▁the ▁ch in ▁in ▁round ▁six , ▁and ▁lost ▁his ▁title ▁by ▁knock out ▁to ▁the ▁Japanese . ▁After ▁that ▁loss , ▁he ▁set ▁his ▁eyes ▁on ▁recover ing ▁his ▁world ▁title ▁from ▁the ▁Japanese ▁world ▁champion , ▁and ▁so ▁ ▁on ▁April ▁ 9 , ▁ 1 9 8 1 , ▁they ▁met ▁again , ▁this ▁time ▁in ▁W ak ay ama , ▁Japan . ▁Ser rano ▁was ▁more ▁c aut ious ▁this ▁time , ▁and ▁didn ' t ▁try ▁to ▁go ▁for ▁the ▁knock out ▁after ▁building ▁a ▁points ▁lead . ▁Even ▁though ▁U eh ara ▁was ▁fighting ▁in ▁his ▁hom eland , ▁all ▁jud ges ▁agreed ▁and ▁gave ▁Ser rano ▁more ▁r ounds ▁than ▁they ▁gave ▁U eh ara , ▁and ▁Ser rano ▁the ▁world ▁title ▁back ▁by ▁a ▁fifteen - round ▁un anim ous ▁decision . ▁ ▁Ser rano ▁made ▁two ▁def enses ▁and ▁then ▁went ▁to ▁Chile ▁to ▁give ▁ch allen ger ▁Ben edic to ▁Vill ab lan ca ▁a ▁chance ▁at ▁the ▁title ▁on ▁June ▁ 3 , ▁ 1 9 8 2 . ▁It ▁proved ▁to ▁be ▁a ▁highly ▁controvers ial ▁fight . ▁After ▁ 5 ▁r ounds , ▁Ser rano ▁was ▁ahead ▁on ▁the ▁score cards . ▁However , ▁a ▁cut ▁appeared ▁over ▁his ▁eye ▁during ▁the ▁ 6 th , ▁and ▁the ▁ref eree ▁ruled ▁it ▁to ▁be ▁from ▁a ▁p unch .