Shutting himself in the Yano-jo Castle, built strongly utilizing a natural fortress, Renkaku with his small force furiously fought against the outnumbering TAKEDA force and killed many enemies including Shihei YOSHIKAWA and injured many others.
少数とはいえ天然の要害を利用した堅城であった矢野城に立てこもった蓮覚は、多勢の武田軍を相手に奮戦奮闘し、寄せ手の吉川師平が討死、多くの将兵が負傷、死亡した。