IKO - International Karate Organization - 50th All Japan Open Karate Championship (2018)
Open Kumite
| Rang | Catégorie | Champion | Pays |
| 1 | Open Kumite | Mikio Ueda | Japan |
| 2 | Open Kumite | Syohei Kamada | Japan |
| 3 | Open Kumite | Shoki Arata | Japan |
| 4 | Open Kumite | Kirill Kochnev | Russia |
| 5 | Open Kumite | Andrey Luzin | Russia |
| 6 | Open Kumite | Yuta Takahashi | Japan |
| 7 | Open Kumite | Anton Gulyaev | Russia |
| 8 | Open Kumite | Aleksandr Eremenko | Russia |