On June 6, 1600, a war council was convened in the Nishi-demaru (defense strongpoint) of the Osaka-jo Castle and it was determined that Ieyasu and Ietada would take up their position at Shirakawa-guchi Gate, Yoshinobu SATAKE (Ukyo no daibu [Master of the Western Capital Offices]) at Sendo-guchi Gate, Masamune DATE at Shiraishi-guchi Gate, and Toshinaga MAEDA and Hideharu HORI at Echigo-guchi Gate.
慶長5年（1600年）6月6日、大坂城西出丸において軍議が招集され、家康・秀忠が白河口、佐竹義宣(右京大夫)が仙道口、伊達政宗が白石口、前田利長・堀秀治が越後口と布陣が決定した。