';
| Fighter | Nickname | Height | Weight | Association | |
| Taku Hatakeyama | 0'0" (0 m) |
155 lbs (70.31 kg) |
Core Quest Kushiro | ||
| Taku Kohara | 5'6" (1.68 m) |
135 lbs (61.23 kg) |
Core Oji Toshima | ||
| Taku Tazawa | 0'0" (0 m) |
135 lbs (61.23 kg) |
Core Spirit | ||
| Tatsuhiko Nakagawa | "Karate Oyaji" | 5'8" (1.73 m) |
185 lbs (83.91 kg) |
Core Oji Toshima | |
| Taylor Harvey | "Hellraiser" | 5'7" (1.7 m) |
145 lbs (65.77 kg) |
Core Strength Fitness | |
| Thibault Chambert | 0'0" (0 m) |
127 lbs (57.61 kg) |
Core Combat Thailand | ||
| Yasuhiko Kyan | 0'0" (0 m) |
135 lbs (61.23 kg) |
Core Oji Toshima | ||
| Yasunari Ikeda | 0'0" (0 m) |
187 lbs (84.82 kg) |
Core | ||
| Yoshitaka Ebina | 6'0" (1.83 m) |
169 lbs (76.66 kg) |
Core | ||
| Yoshitaka Matsuda | 0'0" (0 m) |
145 lbs (65.77 kg) |
Ground Core | ||
| Yui Aoyagi | 0'0" (0 m) |
145 lbs (65.77 kg) |
Core Spirit | ||
| Yuta Horiuchi | 0'0" (0 m) |
145 lbs (65.77 kg) |
Core | ||