Konstantin Grinkevich
Nationality Russia
Age 10
Grey belt in Jiu-Jitsu
Competed on Abu Dhabi Jiu Jitsu Pro
Grey belt
Achieved
2023, September 19th
Competed as grey belt on Abu Dhabi Jiu Jitsu Pro
White belt
Competed as white belt on Abu Dhabi Jiu Jitsu Pro
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