▁was ▁K ats ura ▁and ▁M ats uy ama ' s ▁last ▁close ▁interaction . ▁After ▁returning ▁to ▁Japan , ▁M ats uy ama ▁suffered ▁a ▁heart ▁attack ▁and ▁died ▁on ▁December ▁ 2 0 , ▁ 1 9 5 3 . ▁He ▁had ▁had ▁plans ▁to ▁move ▁to ▁Hon ol ulu ▁with ▁his ▁family , ▁become ▁an ▁American ▁citiz en , ▁and ▁purchase ▁a ▁bill i ard ▁par lor . ▁His ▁el dest ▁son , ▁H ideo , ▁ 1 8 , ▁was ▁att ending ▁a ▁San ▁Francisco ▁high ▁school ▁at ▁the ▁time . ▁He ▁was ▁said ▁to ▁have ▁taught ▁all ▁of ▁Japan ' s ▁top ▁players , ▁among ▁which ▁K ats ura ▁was ▁the ▁star ▁pup il . ▁ ▁Next , ▁K ats ura ▁played ▁a ▁five - day , ▁ 6 0 0 ▁point ▁three - c ush ion ▁exhibition ▁series ▁with ▁Ray ▁Kil g ore ▁in ▁San ▁Francisco , ▁March ▁ 1 2 – 1 7 , ▁ 1 9 5 3 . ▁At ▁the ▁end ▁Kil g ore ▁was ▁the ▁winner ▁with ▁a ▁final ▁score ▁of ▁ 6 0 0 ▁to ▁ 5 4 7 . ▁Kil g ore ▁said : ▁" She ▁played ▁really ▁remarkable ▁bill i ards ▁and ▁I ▁played ▁a ▁little ▁over ▁my ▁head ." ▁The ▁next ▁week ▁K ats ura ▁faced ▁Kil g ore ▁again ▁in ▁another ▁exhibition ▁at ▁Wel ker ▁C och ran ' s ▁room , ▁be ating ▁him ▁ 5 0 – 3 3 ▁in ▁ 4 5 ▁inn ings .