GATAME Kosen Judo Online
Real Kosen Judo, Real Groundwork
Black Belt Path : 4 Steps
4 Steps to Black Belt Start at Sankyu
- Join Annual member ($120/yr) — Full access to 100+ videos and Promo Code for the Sankyu Curriculum.
- Buy Sankyu ($200) — Get the checklist and pass criteria.
- Train & record using the checklist (required angles, durations, and techniques).
- Book Evaluation ($200) — Submit your video and receive your results.
The Sankyu Curriculum ($200) and the Official Skill Evaluation ($200) are separate purchases.
Membership renews annually at $120; cancel anytime before renewal.
Explore Our Courses

Kosen Judo Videos
+100 Technique Videos

Black Belt Curriculum
Master Kosen Judo

Judo Technique Videos
+100 Technique Videos
Kosen Judo
Technique Video
What you'll get:
- Unlimited access to all videos
- More than 100 videos
- Minimum explanation
- About 1min to learn each technique
- Updated monthly
- Progress through six levels — clear requirements & skills at each level. Start at Sankyu (Level 1)
- Online Knowledge Test (15 questions) — check your understanding.
- Kosen Judo & Judo history — short lessons to learn context and rules.
- Official Skill Evaluation (15–21 techniques) — submit your video and receive your results.

Sankyu (Level 1)
Start your Kosen Black Belt journey
- Start at Sankyu (Level 1) — Required starting point for all students.
- Sankyu is $200 with Annual — Members-only price; Annual Membership is $120/year.
Membership provides full access to 100+ videos and a members-only price for the Sankyu Curriculum ($200). The Sankyu Curriculum ($200) and the Official Skill Evaluation ($200) are separate purchases.
Judo
Technique Video
Coming soon

Before → After

Before using Kosen Judo Online
1, Nowhere or no time to practice
2, Don’t know what to work on
3, Confused by random YouTube videos
4, Hard to keep going by myself

After using Kosen Judo Online
1, Train anytime, anywhere online
2, Learn from a professional curriculum
3, Get promoted with our unique ranking system
4, Strengthen both groundwork and standing techniques
About Us

MEET JOICHI HIRAO
Hi, I'm Joichi, after competing and training in Japan under Hidehiko Yoshida (Olympic gold medalist), I was invited as a training partner for Antoine Valois - Fortier (Olympic bronze medalist) by Judo Canada.
Coming from Kyoto, Japan a particularly notable region on the Kosen judo scene, I want to share my love of judo and Kosen Judo.
Join our virtual curriculum for Gym and Club owners and increase your student base as well as student retention.
Joichi Hirao in the Media
Contact us
Get started today before this once in a lifetime opportunity expires.