In the Meiji period, it was particularly believed by the army that the Oda army attacked by way of a detour, but in recent years, the belief that they attacked head-on has been favored, based on Shincho Koki (Biography of Nobunaga ODA).
明治時代には陸軍を中心に迂回奇襲説が、近年では信長公記に基づいて正面攻撃説が主流であった。