The disciples of the two schools requested a decision on which school was stronger, so Musashi and Kojiro discussed it and promised to fight by the rules of heiho, and they faced each other at an island between Buzen Province and Nagato Province.
双方の弟子ども兵法の勝劣を申立武蔵小次郎兵法之仕相仕候に相究豊前と長門之間ひく島に出合