54th All-Japan Open Championship in Kyokushin (IKO), 2022
Winners
- Kaito Nishimura — Japan
- Konstantin Kovalenko — Russia
- Ryoji Ohata — Japan
- Shoki Arata — Japan
- Takehiro Kaga — Japan
- Yuki Shimizu — Japan
- Koinosuke Ishizake — Japan
- Daiki Yamagami — Japan