Japanese tour money rankings leader Hideki Matsuyama fired a 6-under-par 66 to move into a share of the lead alongside Komei Oda after the second round of the Casio World Open on Friday.Matsuyama, who already has three JGTO wins this year -- his first as a professional -- reeled off six birdies over a 10-hole stretch from No. 9 at Kochi Kuroshio Country Club to reach 6-under 138.