NEDMMA | Grappling Dutch Open 2026 (GDO26) - No Gi

Following the successful first edition of the Grappling Dutch Open in 2023, NEDMMA x GAMMA, in cooperation with Event Organising Partner VON, proudly present the Grappling Dutch Open 2026 (GDO26) for all Grappling Athletes, Submission Artists & Mat Rats.

The GDO26 offers a professionally organised competition with experienced Event Officials, certified Referees and a qualified Combat Sports Physician present throughout the event.

All matches shall be conducted in accordance with the i.

Date: Saturday, 28 March 2026
Venue: Sporthallen Zuid – Hall 3, Burgerweeshuispad 54, 1076 EP, Amsterdam, The Netherlands

Accredited GDO26 athletes and coaches are granted access to spectate the Yokoso Dutch Open 2026 (YDO26) in the adjacent sports hall, marking the 23rd edition of the Netherlands’ largest Olympic Kickboxing tournament.

Spectator tickets for GDO26 also grant access to YDO26 and will be available to spectators for €10 (excl.€1,50 service costs). Get your ticket here! (https://matchmakingnederland.nl/nl/events/439/tickets)




Beginner (less than 2 years experience) – BEG
Intermediate (2–4 years experience) – INT
Expert (more than 4 years experience) – EXP



Beginner (less than 1 year experience) – BEG
Intermediate (1–2 years experience) – INT
Expert (more than 2 years experience) – EXP

Age Categories, Experience Divisions and Weight Classes shall be applied strictly in accordance with Appendix 2 of the GAMMA x NEDMMA Grappling Competition Rules – No Gi.

The Organising Committee (OC) holds the right to decide which categories, divisions and classes are provided at the tournament. If the OC decides that other Weight Classes are necessary, this may only be done with written approval from NEDMMA prior to the event.

All listed Weight Categories shall be available in all Experience Divisions.

Here follows the overview for the GDO26:

Male & Female:

ABSOLUTE Champion | BEG – S
ABSOLUTE Champion | INT – S
ABSOLUTE Champion | EXP – S
ABSOLUTE Champion | BEG – U18
ABSOLUTE Champion | INT – U18
ABSOLUTE Champion | EXP – U18

All Champions of the ABSOLUTE Classes organised at the Grappling Dutch Open 2026 shall be awarded an and a .

All matches shall be conducted in accordance with the GAMMA x NEDMMA Grappling Competition Rules – No Gi (Appendix 1).

:
Beginner (BEG): 5 minutes
Intermediate (INT): 5 minutes
Expert (EXP): 5 minutes

:
Beginner (BEG): 5 minutes
Intermediate (INT): 5 minutes
Expert (EXP): 5 minutes

:
All ABSOLUTE Class matches: 5 minutes

Overtime may be applied in the event of a tie, in accordance with the official Tie-Breaking procedures of the Ruleset.

The competition format is determined by the number of athletes per category:

2 athletes: Best of Three (minimum 2 matches)
3–5 athletes: Round Robin (minimum 2 matches)
6–10 athletes: Two pools followed by Cross Semi Finals (minimum 2 matches)
11–15 athletes: Double Elimination (minimum 2 matches)
16+ athletes: Single Elimination (minimum 1 match)
ABSOLUTE classes: Single Elimination (minimum 1 match)

Bronze medal matches apply in all brackets except categories with five (5) athletes or fewer. In such cases, third place shall be determined via the Round Robin results.

The Organising Committee reserves the right to adjust the draw system and to merge categories or divisions if deemed necessary due to registration numbers, while ensuring fair and safe competition.

Medals shall be awarded to all first-, second-, and third-place winners in each category, division, and class.

ABSOLUTE Class Champions shall additionally receive an and a .

: Sporthallen Zuid – Hall 3

Registration opens: 10:00
Weigh-ins: 10:00 – 11:30
Competition start: 12:00

Athletes must bring valid identification.
It is prohibited to fully strip down to make weight.

Weigh-ins, accreditation and scoring are conducted using the official federation Event Management System.

The Match day schedule is subject to changes due to unforeseen circumstances. If applicable, all registered athletes and this Event Information shall be updated 

Pre-competition medical checks are not mandatory for Grappling competitions.
Athletes are advised to undergo annual medical screening.

By registering, athletes declare themselves medically fit to compete.
A qualified Combat Sports Physician will be present throughout the competition.

1 athlete = 1 coach
2 athletes = 1 coach
3–5 athletes = 2 coaches
6–10 athletes = 3 coaches
11+ athletes = 4 coaches

Only accredited coaches are permitted in designated areas.

Super Early Bird: €30 (until 20 February 2026 – 00:01) | Early Bird Registrations
Early Bird: €40 (until 2 March 2026 – 00:01) | Normal Registrations
Standard Entry: €50 (after 2 March 2026 - 00:01) | Late Registrations

Registration in your Weight Class & an ABSOLUTE Champion Class is always:
€25 for ABSOLUTE

Registration in your 2nd Weight Class:
Super Early Bird: €25
Early Bird: €30
Standard Entry: €30

All entry fees include 2026 NEDMMA x GAMMA NL membership.

If no suitable opponent can be matched after reviewing all available options, the entry fee shall be refunded.

Event news and ticket links will be published via:
& www.gammanederland.nl