Odawara Castle was a firm castle, which Kenshin UESUGI and Shingen TAKEDA could not capture, but it was powerless in front of surrounding troops which had no possible reason to withdraw in that season.
小田原城は、上杉謙信や武田信玄も落とせなかった堅城だが、季節的な理由で撤兵する可能性のない包囲軍の前では無力であった。