Yoshitsune who, together with Noriyori, was ordered to expel the Taira clan, went around Harima Province with backdoor troops on February 4 (old old lunar calendar), and in the Battle of Mikusayama he broke the forces of TAIRA no Sukemori and others in a night raid.
義経は、範頼とともに平氏追討を命ぜられ、2月4日_(旧暦)、義経は搦手軍を率いて播磨国へ迂回し、三草山の戦いで夜襲によって平資盛らを撃破。