However, the change of water pressure caused by the break of side bank resulted in the break of the bank for inundation tactics on the following day, the 20th, by which many soldiers of the Ukita troops of yosete drowned.
ところが横堤が切れたために水圧に変化が生じたことで、翌9日には逆に水攻め堤防の一部が切れ、寄手の宇喜多秀家勢に多数の溺死者が出た。