It can be said that one of causes of his defeat was that he did not have sufficient military strength caused by his failure to acquire support from powerful warlord in the Kinki area such as Yusai HOSOKAWA, who was his relative, and Junkei TSUTSUI, who was a yoriki (warlord attached to another) to Mitsuhide.
期待していた親類の細川幽斎、与力の筒井順慶ら近畿の有力大名の支持を得られなかったことが戦力不足につながり、敗因の一つであったと言える。