Nobunaga sent warlords such as Mitsuhide AKECHI, Nagahide NIWA, Kazumasu TAKIGAWA led by Nobutada as a supreme commander, to support Kozuki-jo Castle and Hideyoshi HASHIBA, who had been besieging Miki-jo Castle, also came under the command of Nobutada, deploying a total of 72 thousand of Oda army in Harima as a result.
信長も上月城救援のため、信忠を総大将に明智光秀、丹羽長秀、滝川一益ら諸将を援軍に出し、三木城を包囲中の羽柴秀吉も信忠の指揮下に入り、総勢7万2,000人の織田軍が播磨に展開する。