Yona Ko

Brown belt

Achieved 2022, March 1st

Promoted by Pedro sauer

Competed as brown belt on Abu Dhabi Jiu Jitsu Pro

2023-04-09 - AJP TOUR SEOUL INTERNATIONAL JIU-JITSU CHAMPIONSHIP - GI

Purple belt

Competed as purple belt on Abu Dhabi Jiu Jitsu Pro

2022-09-25 - AJP TOUR SEOUL INTERNATIONAL PRO - GI

2019-10-20 - ABU DHABI INTERNATIONAL PRO JIU-JITSU CHAMPIONSHIP - SEOUL - GI

Blue belt

Achieved 2014

Promoted by park jin ho

Competed as blue belt on Abu Dhabi Jiu Jitsu Pro

2017-11-05 - SEOUL INTERNATIONAL PRO JIU-JITSU CHAMPIONSHIP - GI

Academies