Yagyuu Renyasai: Hiden Tsukikagesho

Increased competition between two samurai brothers, threatening to tear their clan apart, eventually leads them to a duel to death in the early Edo Period. One of them is trained in the famous Yagyu Shinkage Ryu, while the other was taught a secret technique by his master Miyamoto Musashi.
(Source: Joseph A. Hedger at IMDb)