He also joined the Siege of Osaka, and especially in the Summer Siege of Osaka, he was appointed as leader of the spearhead army in the Yamato Province area, and fought actively in the battle of the Domyo-ji Temple and shared the honor of being first to charge the Osaka-jo Castle with the Echizen army.
大坂の役にも参加し、特に夏の陣では大和国口の先鋒の将に指名され、道明寺の戦いなどで活躍し、大坂城一番乗りの功を越前勢と分け合う。