The Battle of Kusegawa was the battle fought during Ishida Mitsunari's Western Army confront against the Tokugawa Ieyasu's Eastern Army. Mitsunari had more troops than the Tokugawa and with stronger officers too he defeated the Eastern Army. In the real history, there was the Battle of Kuisegawa (杭瀬川の戦い) on the day before the Battle of Sekigahara.