Known as Brazilian Jiu Jitsu as well.
Ne-Waza (ground technique) is one of the main Jujitsu (and Judo) basis. Its important technical heritage measures up to its big efficiency and its educational value. In the official JJIF competition program Jiu-Jitsu (Ne-Waza) is a new discipline since 2010, established in the World Games 2013 the first time in two categories (men – 85kg and women – 70 kg).

The fight of two opponents starts standing. Punches and Kicks are not allowed.
After starting the fight the referee interrupt only in critical moments so normally the main part of the fight takes place on the ground. It is the goal to win by submission with a lock on the joints or strangulation. During the time of 6 minutes it is possible to gain points for throws, take down, controlling positions and actions giving you a advantage in the fight.

The Jiu-Jitsu (Ne-Waza) is extremely tactical and sometimes described as the chess game of martial arts.

From 2014 the competition is held in 10 weight devisions:
Male: -56kg, -62 kg, -69kg, -77kg, -85kg, -94kg, +94kg
Female: -49kg, -55kg, -62kg, -70kg, +70kg

2019 the number of female categories was increased:
Female: -45kg; -48kg; -52kg; -57kg; -63kg; -70kg; +70kg