As soon as Ujimasa HOJO attacked the Yanada clan of Sekijuku-jo Castle in Shimousa Province, Kenshin aimed at creating confusion by successively attacking castles such as Musashi Kisai-jo Castle, Oshi-jo Castle and Hachigata-jo Castle of the Hojo clan, but he failed but Sekijuku-jo Castle surrendered.
北条氏政が下総関宿城の簗田氏を攻撃するや、謙信は北条方の武蔵騎西城・忍城・鉢形城下など諸城を相次いで攻めて後方かく乱を狙ったが失敗、関宿城は降伏してしまった。