Sadayoshi OKUDAIRA and his son Nobumasa OKUDAIRA, the members of Yamaga sanpo shu (the Okudaira clan, the Suganuma clan (in Nagashino) and the Suganuma clan (in Tamine)) in sankanbu (mountain-ringed region) of Mikawa Province had followed the Takeda clan, but Ieyasu made them switch sides and the Oda and Tokugawa allied forces, which had been on the defensive, started to strike back
また家康も武田氏に従っていた三河国山間部の山家三方衆の内奥平貞能・奥平信昌親子を寝返らせるなど、信玄存命中は守勢一方であった織田・徳川連合軍の逆襲が始まった。