After dispatching the spearhead to Kobotoke-toge Pass and Misaka-toge Pass which were located at the border between Sagami Province and Kai Province, Ujimasa invaded the eastern part of Suruga near the end of February.
氏政は小仏峠や御坂峠など相甲国境に先鋒を派遣した後、2月下旬に駿河東部に攻め入る。