A member of the eastern camp, Shigeyuki HOSOKAWA, shugo of Mikawa Province, was attacked by Myochin SAITO, shugodai (deputy military governor) of Mino Province, in 1473, and Yoshitada was ordered by the Shogun to go to Mikawa Province to join battle.
文明5年（1473年）、東軍の三河国守護細川成之が美濃国守護代斎藤妙椿から攻撃を受けたため、将軍の命により三河国へ出陣している。