20. grade of 20
10th Dan – Black Belt (Sosai)
Typical gap since previous grade: 120 monthsestimate
Title reserved exclusively for the founder - Masutatsu Oyama.
Requirements for this grade
We do not yet have documented requirements for this grade. They will be added once the relevant organisation’s syllabus is available.
Sosai wears a black belt with 10 gold stripes. Red belts are historically not worn in Kyokushin.