When Mitsunari ISHIDA and those in the West squad raised an army, Kyogoku forces once sided with Mitsunari, but in the Battle of Sekigahara, they belonged to the East squad while being confined in the Otsu-jo castle (the battle at besieged Otsu-jo castle).
石田三成ら（西軍）が挙兵すると京極家は一時、三成側につくが、関ヶ原の戦いでは大津城に籠城して東軍に属する（大津篭城戦）。