Although the army of Motonao KUMAGAI opened war with the Mori and Yoshikawa allied forces, the army was destroyed by the tactics of Motonari MORI who was the conservator of the head of the Mori clan, and Motonao died on the battlefield.
熊谷元直軍は毛利・吉川連合軍と戦端を開くも、毛利氏当主の後見役であった毛利元就の用兵により壊滅し、元直は討死した。