During the War of Zenshu UESUGI in 1416, Kagenaka beat a troop of Zenshu UESUGI at Yuigahama, and thanks to his victory, Norimoto UESUGI, Kanto Kanrei and Mochiuji ASHIKAGA, Kamakura Kubo (Shogun's deputy for Kamakura) managed to return to Kamakura.
応永23年（1416年）の上杉禅秀の乱では、由比ヶ浜で上杉禅秀の軍を破って主君である関東管領上杉憲基と鎌倉公方足利持氏を鎌倉へと復帰させた。