';
| Fighter | Nickname | Height | Weight | Association | |
| Byung Seok Kim | "The Black Mamba" | 5'10" (1.78 m) |
155 lbs (70.31 kg) |
King Kong Gym | |
| Charles Williams | 5'10" (1.78 m) |
155 lbs (70.31 kg) |
King Monkey Gym | ||
| Daishi Kashiwagi | 0'0" (0 m) |
155 lbs (70.31 kg) |
King Gym Kobe | ||
| Denzel Paul Gavilo | 5'7" (1.7 m) |
135 lbs (61.23 kg) |
King Carlos Gym & Equipment | ||
| Ezatullah Hussainyar | 0'0" (0 m) |
135 lbs (61.23 kg) |
King MMA Gym | ||
| Guk Hee Lee | 5'6" (1.68 m) |
141 lbs (63.96 kg) |
King Kong Gym | ||
| Haru Hamada | 0'0" (0 m) |
145 lbs (65.77 kg) |
King Gym Kobe | ||
| Hirotoshi Konishi | "King Joh" | 0'0" (0 m) |
167 lbs (75.75 kg) |
King Gym Kobe | |
| Hitomi Ikemoto | 0'0" (0 m) |
115 lbs (52.16 kg) |
King Gym Kobe | ||
| Hyung Joo Seo | 5'7" (1.7 m) |
130 lbs (58.97 kg) |
King Kong Gym | ||
| Jin Young Lee | 6'1" (1.85 m) |
170 lbs (77.11 kg) |
King Kong Gym | ||
| Kazuki Nakada | 5'4" (1.63 m) |
123 lbs (55.79 kg) |
King Gym Kobe | ||
| Keigo Shiba | 0'0" (0 m) |
155 lbs (70.31 kg) |
King Gym Kobe | ||
| Kenta Konishi | 5'8" (1.73 m) |
154 lbs (69.85 kg) |
King Gym Kobe | ||
| Kota Fujiwara | 0'0" (0 m) |
125 lbs (56.7 kg) |
King Gym Kobe | ||
| Luke Killick | 0'0" (0 m) |
192 lbs (87.09 kg) |
King Gym | ||
| Mahendra Patil | 5'3" (1.6 m) |
125 lbs (56.7 kg) |
King Gym | ||
| Matej Kiraly | 6'3" (1.91 m) |
265 lbs (120.2 kg) |
King's Gym Bratislava | ||
| Oliver Guillermo | 5'6" (1.68 m) |
135 lbs (61.23 kg) |
King Carlos Gym & Equipment | ||
| Renz Amme Manalo | 5'6" (1.68 m) |
145 lbs (65.77 kg) |
King Carlos Gym & Equipment | ||