20th All-Japan Open Championship in Kyokushin (IKO), 1988

Winners

  1. Yasuhiro Kuwajima — Japan
  2. Yutaka Ishi — Japan
  3. Kenji Yamaki — Japan
  4. Tetsu Yamaguchi — Japan
  5. Mamoru Takahashi — Japan
  6. Hussain Kamal — Japan
  7. Makoto Kusakai — Japan
  8. Hideki Shibata — Japan