- Rules.
- No punching.
- No kick above the ankles. This means sweeping is fine.
- No joint locks.
- Cannot hold on to the neck. Can briefly do when applying a technique.
- When the two competitors are stuck for more than 15 seconds, the ref will break them up.
- The fighting area is 6 meter in diameter, circle or square.
- Scoring.
- Falling down, including hand touching the floor, lose one point.
- Out, including touching the line, lose one point.
- Falling down and out, lose 2 points.
- Violation once: warning.
- Violation twice: lose one point.
- Further violation: lose one point.