On February 28, 1582, Ujimasa captured Tokura-jo Castle and Sanmaibashi-jo Castle which were part of the few remaining footholds of Takeda in Suruga, and subsequently in March, he took control of castles on the Takeda side in Numazu City and Fuji City.
2月28日には駿河に残された武田側の数少ない拠点の一つである戸倉城・三枚橋城を落とし、続いて3月に入ると沼津市や富士市にあった武田側の諸城を陥落させていった。