In the Komeno War, Tsunaie set up a camp in Komeno and fought hard enough to give a tough time to the East squad, directing 2500 soldiers together with Nagasuke IINUMA and Tozaemon TSUDA--but were forced to pull back, as they were threatened with losing the war due to the enemies size being five times their own.
米野の戦いにおいては飯沼長資、津田藤左衛門らとともに二千五百の兵を率いて米野に布陣、奮戦し東軍を苦戦させる働きをするも五倍近い兵力の差から劣勢に陥り後退を余儀なくされる。