Mezue ahịrịokwu na-esonụ: O ruru eru maka asọmpi PDC World Championship nke abụọ ya na
2012, ebe o meriri Dennis Nilsson 4-2 na ụkwụ na agba nke mbụ iji guzobe nzukọ ikpeazụ 64 na onye mmeri ụwa ugboro 15, Phil Taylor. E meriri ya 0-3 mana o jisiri ike merie ụkwụ atọ n'oge egwuregwu ahụ, gụnyere imebi Taylor ugboro abụọ. Taylor kwuru mgbe egwuregwu ahụ gasịrị na Muramatsu gaara "egwu onye ọ bụla pro" na ọkwa nke arụmọrụ ya n'oge egwuregwu ahụ. Ọ kwagara 94 na PDC Order of Merit mgbe Championship gasịrị. Muramatsu nọchitere anya Japan na Morihiro Hashimoto na 2012 PDC World Cup of Darts na ha abụọ meriri Sweden 2-5 na agba nke mbụ.