A Taira defeat was inevitable after Noriyori's army took control of Kyushu and Yoshitsune's army of Shikoku, which let the Kamakura side retake control over the Seto Inland Sea and thus complete their encirclement and isolation of the last Taira stronghold.
これは、範頼軍の九州制圧、義経軍の四国制圧、鎌倉方による瀬戸内海制海権の奪取という包囲・孤立化の完成に伴う必然的結末であった。