 Tadataka served with distinction at the Battle of Takatenjin Castle, taking the head of enemy general Okabe Motonobu.He also fought at the siege of Ueda Castle.After the Siege of Odawara, when Tokugawa Ieyasu moved to the Kantō Region, he granted Tadataka land assessed at 3,000 "koku", and appointed him "yari-bugyō" (magistrate of spears) in the Tokugawa main battle camp.