IKO - International Karate Organization - 35th All Japan Weight Category Karate Tournament (2018)
Kumite -70 kg
| Rang | Catégorie | Champion | Pays |
| 1 | Kumite -70 kg | Bay Noah | Japan |
| 2 | Kumite -70 kg | Alim Iunusov | Russia |
| 3 | Kumite -70 kg | Evgenii Glukhov | Russia |
| 4 | Kumite -70 kg | Aleksandr Aristov | Russia |
Kumite -80 kg
| Rang | Catégorie | Champion | Pays |
| 1 | Kumite -80 kg | Chiharu Higuchi | Japan |
| 2 | Kumite -80 kg | Yuki Yoza | Japan |
| 3 | Kumite -80 kg | Yuki Usuda | Japan |
| 4 | Kumite -80 kg | Takuya Takeoka | Japan |
Kumite -90 kg
| Rang | Catégorie | Champion | Pays |
| 1 | Kumite -90 kg | Andrey Luzin | Russia |
| 2 | Kumite -90 kg | Kyohei Ajima | Japan |
| 3 | Kumite -90 kg | Kashin Osawa | Japan |
| 4 | Kumite -90 kg | Yutaro Ishitsuka | Japan |
Kumite +90 kg
| Rang | Catégorie | Champion | Pays |
| 1 | Kumite +90 kg | Anton Gulyaev | Russia |
| 2 | Kumite +90 kg | Kenta Nanbara | Japan |
| 3 | Kumite +90 kg | Ryunosuke Hoshi | Japan |
| 4 | Kumite +90 kg | Kanta Tokuda | Japan |