小牧・長久手の戦い
In 1565 he was named one of Mikawa's San-bugyô, or Three Commissioners (along with Amano Yasukage and Koriki Kiyonaga). Shigetsugu was known for his fortitude, Yasukage for his patience, and Kiyonaga for his leniency; he was a veteran of the Battle of Nagashino, Battle of Komaki and Nagakute and fought in many of the Tokugawa clan's major battles, and was known as for his ferocity.