In the main fight that took place on September 15th, despite the commander-in-chief Yoshitsugu and other military commanders of the West squad troops, including Tamehiro and Nagatsugu, having fought to the death, Nobuyoshi succeeded in escaping the battle with his life.
9月15日の本戦では主将吉継以下為広、長次ら同陣した諸将は討ち死にしたものの、信吉は戦場を離脱に成功した。