Based on the knowledge of a Brazilian Jiu-Jitsu (BJJ) world-championship medallist, this comprehensive guide details the mental and physical rigours necessary to succeed in BJJ and grappling matches. Drawing on additional insights from famous grapplers around the world, this reference outlines the rules, regulations, and protocols of competitive sparring and provides tips on avoiding fouls, psyching out opponents, and using specific muscle groups to maximise versatility on the mat. A history of the sport's rules is also included, featuring a breakdown of judges' and referees' signals. With training recommendations for diet, physical conditioning, game plans, and day-of tactics, this guide encourages both long-time defenders and new challengers to strive for success.