Jiu Jitsu Koushien Summer 2026

Note: This tournament is exclusively for Kids and Juvenile divisions.

Tournament Overview

Event Date

Sunday, October 11, 2026

This tournament is open only to Kids and Juvenile divisions.
For the Juvenile division, as this event determines the “High School Champion of Japan,” belt ranks will be combined into one mixed category for White, Blue, and Purple belts.

Registration Period

Monday, December 22, 2025 – Thursday, October 1, 2026 (until 23:59)

Entry Change Period

Friday, October 2 – Saturday, October 3

After registration closes, only athletes registered alone in their category may request division or weight class changes during this period.
No changes will be accepted after the above dates.

Single Entry Cancellation Period

Sunday, October 4 – Monday, October 5

After registration closes, only athletes registered alone in their category may request to cancel their entry and receive a refund during this period.
No cancellations will be accepted after the above dates.
Please note that cancellations for any other reason will not be eligible for refunds.

From October 5 (Mon) onward, no division changes can be accepted as tournament brackets will be finalized. Thank you for your understanding.

Tournament Bracket Release

The tournament brackets and event schedule will be published on Thursday, October 9, 2026.

Important Notice Regarding Refunds

If the event is postponed or canceled due to government regulations such as venue closure caused by infectious disease control, or if a single-entry athlete cancels their registration, any bank transfer fees for refund processing will be the responsibility of the participant.

Fighters Ranking Points

Please note that the Juvenile division will not receive ranking points due to the mixed-belt tournament format. We appreciate your understanding.

Rules

The tournament will be held in accordance with SJJIF Rules.

You can view the rulebook at the following link:
https://files.sjjif.com/public/assets/SJJIF_Rulebook_japanese.pdf

In addition, following the policies of the Asia Sport Jiu-Jitsu Federation, there are specific guidelines regarding Gi inspection to ensure strict compliance with the rulebook.
Please review the details here:
https://wp.me/paySpG-Z2

Notes

• Please take all trash home with you after the event.

• If the registration limit is reached, entries may close before the official deadline.

Contact Information

For inquiries regarding this tournament, please contact:

Email: sjjjf.office@gmail.com

Important Venue Information

Spectator Guidelines

All attendees are kindly asked to follow the rules below for a safe and enjoyable event.

Parking Notice

Due to concurrent events at Yoyogi National Gymnasium, the venue has requested that parking not be used.
We ask that all competitors and attendees use public transportation to access the venue.
Thank you for your cooperation.