When he went into battle at the time of the Osaka Natsu no Jin (Summer Siege of Osaka) in 1615 on the side of Tadatomo HONDA, he got military exploits in spite of the fact that he was seriously injured having as many as four wounds with spears and guns.
慶長20年（1615年）の大坂夏の陣では本多忠朝に属して出陣し、体に槍や鉄砲傷を4箇所も負う重傷を負ったが、武功を挙げた。