1st World Open Championship in Kyokushin karate (Rengokai). Shizuoka, Japan, 18 January 2004.
Winners
- Masaake Shimajiri — Japan
- Anzor Shikhabakhov — Russia
- Alexander Ibragimov — Russia
- Jiri Onoue — Japan
- Hiroshi Sugiyama — Japan
- Yasumichi Kikuyama — Japan
- Takeshi Miyagi — Japan
- Timofei Tsyganov — Russia