However, Ieyasu suffered a crushing defeat due to Shingen's superior military force and skillful tactics, and the Tokugawa army took flight, as well as losing a number of officers and soldiers (the Battle of Mikatagahara).
しかし兵力の差、並びに信玄の戦術の前に大敗を喫し、徳川軍は多くの将兵を失い敗走した（三方ヶ原の戦い）。