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Jack Middelkoop
Nationality
Netherlands
Age
6
Grey belt in Jiu-Jitsu (BJJ)
Achieved 2025
Grey belt
Achieved 2025, March 22nd
White belt
Competed as white belt on Smoothcomp
2023-10-21 -
Lion Cub Jiu Jitsu Competition
2023-06-03 -
Nijmegen Open BJJ 2023
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