On November 29, Ieyasu fought against the Takeda army at Hitokotozaka, Totomi Province, but was defeated due to Shingen's superior military force and skillful tactics.
家康は10月14日(旧暦)、武田軍と遠江一言坂において戦ったが、兵力の差と信玄の巧みな戦術に敗れた（一言坂の戦い）。