FAQs
Age Prerequisites for Ranks
| BELT | RANK | NAME | AGE |
| White | 6th Kyu | Rokyu | |
| Yellow | 5th Kyu | Gokyu | At least 7 years old |
| Orange | 4th Kyu | Yonkyu | At least 8 years old |
| Green | 3rd Kyu | Sankyu | At least 10 years old |
| Blue | 2nd Kyu | Nikyu | At least 12 years old |
| Brown | 1st Kyu | Ikkyu | At least 14 years old |
| Black | 1st Dan | Shodan | At least 15 years old |