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Thomas Koski
Nationality Australia
Age 37
Brown belt in Jiu-Jitsu
Competed on Abu Dhabi Jiu Jitsu Pro
Brown belt
Competed as brown belt on Abu Dhabi Jiu Jitsu Pro
Purple belt
Achieved
2016, November 4th
Promoted by Mario Yokoyama
Competed as purple belt on Abu Dhabi Jiu Jitsu Pro
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