However, on August 17, about 800 ships of the Mori navy appeared to assist the Ishiyama Hongan-ji Temple army and defeated the Oda navy, and the Mori army brought provisions and ammunition to the Ishiyama Hongan-ji Temple army (the first battle of Kizukawaguchi).
ところが7月13日、石山本願寺の援軍に現れた毛利水軍800隻の前に、織田水軍は敗れ、毛利軍により石山本願寺に兵糧弾薬が運び込まれた（第一次木津川口の戦い）。