While the tournament provided the structure, the "Super Fights" on the undercard provided the emotional weight of the event. This card featured two significant storylines involving Japanese legend Masato and the controversial fan-favorite Bob Sapp.
The fight card was dominated by "Super Fights" involving the world's elite kickboxers. vs. Mighty Mo Remy Bonjasky Peter Aerts vs. Gary Goodridge Peter Aerts Decision (R3) Glaube Feitosa vs. Musashi Glaube Feitosa Decision (R3) Hong-man Choi vs. Akebono Hong-man Choi Hiromi Amada vs. Freddy Kemayo Hiromi Amada Decision (R3) Paul Slowinski vs. Tatsufumi Tomihira Paul Slowinski Decision (R3) Bjorn Bregy vs. Tsuyoshi Nakasako Bjorn Bregy Yusuke Fujimoto vs. Bobby Ologun Yusuke Fujimoto Key Highlights k1 world gp 2006 japiso 1