IKO - International Karate Organization - 45th All Japan Open Karate Championship (2013)
Open Kumite
| Rang | Catégorie | Champion | Pays |
| 1 | Open Kumite | Kyohei Ajima | Japan |
| 2 | Open Kumite | Alejandro Navarro | Spain |
| 3 | Open Kumite | Cyril Kochnev | Russia |
| 4 | Open Kumite | Takaichi Onuma | Japan |
| 5 | Open Kumite | Shohei Kamada | Japan |
| 6 | Open Kumite | Ivan Mezentsev | Russia |
| 7 | Open Kumite | Mikio Ueda | Japan |
| 8 | Open Kumite | David Sarkhoshyan | Russia |