Before dawn on August 5, the Emperor's army made a surprise attack on Shirakawakita-dono Palace in the three separate forces: Kiyomori led approximately 300 cavalry, Yoshitomo 200 cavalry and Yoshiyasu 100 cavalry.
7月11日(旧暦)未明、天皇方は清盛300余騎、義朝200余騎、義康100余騎の3隊に分かれて白河北殿を奇襲。