GrappleCity: Rotterdam Summer Open

GrappleCity: Rotterdam Summer Open

May 23, 2026
Rotterdam, Netherlands
€37 - €45
Competition

About This Event

: Hall 2 - Erasmus Sport Centre, Burgemeester Oudlaan 50, 3063 ND Rotterdam, Netherlands

Doors open 8:30am, first match is 9:30am

: IBJJF rules/points, the only difference is there are no advantages.





Early registration -  1 division €37 / 2 divisions €54 (Gi/Nogi) until Apr 11th

 1 division €45 / 2 divisions €70 (Gi/Nogi) / 3 divisions €90 (Gi/Nogi/absolute) / 4 divisions €110 (Gi/Nogi/both absolutes) until Apr 11th

Normal Registration -  1 division €47 / 2 divisions €64 (Gi/Nogi) until May 9th

 1 division €55 / 2 divisions €80 (Gi/Nogi) / 3 divisions €100 (Gi/Nogi/absolute) / 4 divisions €120 (Gi/Nogi/both absolutes) until May 9th

Late registration -  1 division €57 / 2 divisions €74 (Gi/Nogi) until May 19th

 1 division €65 / 2 divisions €90 (Gi/Nogi) / 3 divisions €110 (Gi/Nogi/absolute) / 4 divisions €130 (Gi/Nogi/both absolutes) until May 19th

 are €40 if you're looking to enter without doing regular Gi/Nogi division also. Absolute divisions are discounted to €20 if you've entered Gi or Nogi divisions. 

 €5 at the registration desk

 Normal & Late registration will continue until maximum competitors number is reached.

Brown/Black Belts 50% off. Pro MMA Fighter 50% off.

In order to claim this discount, email us before payment is made & we'll verify your registration - GrappleCityorg@gmail.com

: After late registration closes, all competitors (or coaches, parents) have until 5PM the following day to make any changes. These changes can be made by logging in & modifying your details. After this change deadline, it will no longer be available to access & change. Competitors who are on their own in a division can change to move up a division or cancel their registration for a full credit. Check out: https://support.smoothcomp.com/article/89-how-to-change-weightclass-or-cancel for more.

: Refunds can be gotten up until the late reg date via emailing GrappleCityorg@gmail.com along with reason for refund request.

For the couple of days from the late registration deadline until the tournament itself, we largely like to issue credits only as its easier/less hassle. 

If you're injured, you will be issued a credit.

If the registration deadline passes & there is no one in your division, we will aim to move you to a different division where possible (you will receive communication in relation to this), if there's no suitable merger available you will be refunded.

: Event brackets will be released at 12 midday on May 21st. You can see when your match is on by monitoring your smoothcomp page. TV screens in the venue on the day will also show this.

If the registration deadline passes & there is no one in your division, we will aim to move you to a different divison where possible (you will receive communication in relation to this). 

If there isn't a suitable merger available, a credit will be raised in line with our refund policy. This can be used on any of our tournaments.

: Visit the weigh in desk immediately once you pass registration desk. You only need to weigh in once (without Gi on) for both divisions.

Registration

Cancellation Deadline

May 19, 2026

Registration Deadline

May 21, 2026

Register Now

Registration handled by event organizer

Venue

Centrum

Rotterdam, Netherlands

Get Directions

Organizer

GrappleCity

Competition Rules

Learn how scoring and submissions work across different rulesets.

View Rulesets Guide

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