Motokatsu MATSUDA personally led his troops and arranged his ranks at Kasaiyama in Mino County whereupon both armies clashed on the rock-strewn river bed of the Asahi-gawa River (Okayama Prefecture).
松田元勝も自ら兵を率い御野郡笠井山に陣を定め、旭川(岡山県)の牧石の河原で両軍は激突した。