| Fighter | Nickname | Height | Weight | Association | |
 |
Naosuke Mizoguchi | 5'7" (1.7 m) |
143 lbs (64.86 kg) |
Seiryu Kaikan | |
|
Noah Bey | "Black Panther" | 5'10" (1.78 m) |
156 lbs (70.76 kg) |
Kyokushin-Kaikan / American Kickboxing Academy |
|
Rafaela Andrade Oliveira | 5'3" (1.6 m) |
115 lbs (52.16 kg) |
Kaikan Fight Team | |
|
Rikuto Urata | 5'7" (1.7 m) |
125 lbs (56.7 kg) |
Nansei Kaikan | |
|
Roberto Silva | "Botas" | 0'0" (0 m) |
135 lbs (61.23 kg) |
Sergio Monstro MMA / Kaikan |
|
Ruki Motoshima | 0'0" (0 m) |
80 lbs (36.29 kg) |
Seido Kaikan Hishikawa Dojo | |
|
Rukiya Mukai | 0'0" (0 m) |
135 lbs (61.23 kg) |
Seido Kaikan Tiger Dojo | |
|
Ryoei Fukuoka | 0'0" (0 m) |
80 lbs (36.29 kg) |
Seido Kaikan Hishikawa Dojo | |
|
Ryota Sumiyoshi | 0'0" (0 m) |
170 lbs (77.11 kg) |
Seiryu Kaikan | |
|
Satoshi Kinno | 5'8" (1.73 m) |
155 lbs (70.31 kg) |
Takeuchi Kaikan | |
|
Sergio Matias | "Monstro" | 0'0" (0 m) |
170 lbs (77.11 kg) |
Kaikan Fight Team |
|
Shingo Koyasu | 5'7" (1.7 m) |
194 lbs (88 kg) |
Seido Kaikan | |
|
Taiga Urabe | "Octopus" | 0'0" (0 m) |
145 lbs (65.77 kg) |
Paraestra Higashi Osaka / Seido Kaikan |
|
Takuma Shinriki | 5'8" (1.73 m) |
155 lbs (70.31 kg) |
Takeuchi Kaikan | |
|
Tetsuo Seto | 5'8" (1.73 m) |
167 lbs (75.75 kg) |
Kyokushin-Kaikan | |
|
Walter Walter | "Shock" | 0'0" (0 m) |
170 lbs (77.11 kg) |
Kaikan Fight Team |
|
William Cicero | 5'7" (1.7 m) |
145 lbs (65.77 kg) |
Kaikan Fight Team | |
|
Yoshi Yoshi | 5'9" (1.75 m) |
150 lbs (68.04 kg) |
Wakajishi Kaikan | |
