The strategic plan of Oguri was the bakufu would entice the enemy army out to the east of Hakone and the bakufu navy would approach from Suruga Bay shutting down the enemy's retreat.
小栗の作戦は、敵軍を箱根以東に誘い込んだところで、兵力的に勝る幕府海軍が駿河湾に出動して敵の退路を断った。