Also, to save Ujizane IMAGAWA who held up fighting in Kakegawa-jo Castle, Ujimasa had a peace negotiation with Ieyasu TOKUGAWA of Mikawa Province, and succeeded in putting Ujizane (Ujizane's lawful wife was Ujimasa's younger sister, Hayakawa-dono) under Ujimasa's protection.
さらに掛川城に籠城していた今川氏真を救出するため、三河国の徳川家康と和議を結び、氏政は氏真（氏真の正室は、氏政の妹の早川殿）を保護した。