In Sports Chanbara (a free-style Japanese combat sport based on sword fighting), players must be in the two-sword style in nito (two swords) tournaments, and players are allowed to fight in the two-sword style in ishu (a match between different weapons) tournaments.
スポーツチャンバラでは、二刀の部では二刀流が義務づけられ、異種の部では二刀流が認められている。