The loss of fighting spirit by the Higo army, which defeated the shogunal armies at Oshima-guchi, Geishu-guchi, and Sekishu-guchi in a very short space of time, and which kept attacking the shogunal army from the height of Ogura-guchi, brought a definitive victory to the Choshu side.
大島口・芸州口・石州口の三カ所で極めて短期間の内に幕府軍を撃破し、残りの小倉口も高みから徹底抗戦し続けていた肥後藩士たちの戦意喪失により長州側の勝利が確定する。