In the battle, the Satsuma's army was the imperial army, with the imperial standard; thus the bakufu were regarded as rebels; as a result, by January 5, it became clear that the bakufu would lose the war, as many clans including Yodo and Tsu changed their positions and joined the imperial army.
官軍を意味する錦の御旗が薩長軍に翻り、幕府軍が賊軍となるにおよび、淀藩・津藩などの寝返りが相次ぎ、5日には幕府軍の敗北が決定的となる。