In 1600 he took the Western side in the Battle of Sekigahara and attacked Tanabe-jo Castle in the Tango Province which was the castle of Yusai HOSOKAWA (the Battle of Tanabe-jo Castle).
1600年、関ヶ原の戦いでは西軍に味方し、細川幽斎の居城である丹後国田辺城(丹後国)を攻めた（田辺城の戦い）。