The encouraged Taketoshi, fought against the Ashikaga side, in the Battle of Tatarahama with Korenori ASO, Tanemichi AKIZUKI, Takehisa HASUIKE, Ieyoshi HOSHINO and others, but lost the fight and withdrew to Kikuchi.
勢いづいた武敏は阿蘇惟直・秋月種道・蒲池武久・星野家能等を誘って多々良浜の戦いで足利方と戦ったが敗北し、菊池に逃げ帰った。