In 1600, he fought on Mitsunari ISHIDA's side at the Battle of Sekigahara, but he went to fight on Ieyasu's side after being defeated because Ieyasu guaranteed him his territory.
慶長5年（1600年）関ヶ原の戦いでは、石田三成方に付き敗戦後は、家康に所領を安堵されたことにより家康につく。