According to the "Ryuei Hikan" (Historical record of the Edo Bakufu), in October 1501, he was defeated by Nagachika MATSUDAIRA near Iwadu-jo Castle and his attempt to invade Mikawa ended in failure.
『柳営秘鑑』によると文亀元年（1501年）9月、岩津城下にて松平長親（徳川家康の先祖）と戦って敗北し、三河侵攻は失敗に終わっている。