';
| Fighter | Nickname | Height | Weight | Association | |
| Abror Yigitaliev | "Borz" | 0'0" (0 m) |
170 lbs (77.11 kg) |
Reversal Gym Osaka Anne | |
| Akihiro Izumi | 5'11" (1.8 m) |
155 lbs (70.31 kg) |
Reversal Gym Osaka Anne | ||
| Akira Enomoto | 5'9" (1.75 m) |
135 lbs (61.23 kg) |
Reversal Gym Tokyo Standout | ||
| Arashi Okada | 5'7" (1.7 m) |
125 lbs (56.7 kg) |
Reversal Gym Shinjuku Me, We | ||
| Arashi Nakajo | 0'0" (0 m) |
145 lbs (65.77 kg) |
Reversal Gym Ground Slam Krew | ||
| Arihito Yamamoto | 5'7" (1.7 m) |
135 lbs (61.23 kg) |
Reversal Gym Tokyo Standout | ||
| Asami Kodera | 5'4" (1.63 m) |
113 lbs (51.26 kg) |
Reversal Gym Kawaguchi Redips | ||
| Asato Takehara | 0'0" (0 m) |
119 lbs (53.98 kg) |
Reversal Gym Tokyo Standout | ||
| Asuka Yokoe | 5'5" (1.65 m) |
108 lbs (48.99 kg) |
Reversal Gym Tachikawa Alpha | ||
| Atsushi Matsumori | 0'0" (0 m) |
132 lbs (59.87 kg) |
Reversal Gym Yokohama Ground Slam | ||
| Charles Prete | "Guts" | 5'9" (1.75 m) |
227 lbs (102.97 kg) |
Reversal Gym Tachikawa Alpha | |
| Chelsey Hibsch | 5'7" (1.7 m) |
135 lbs (61.23 kg) |
Reversal Gym Tachikawa Alpha | ||
| Chris Shimada | 5'9" (1.75 m) |
155 lbs (70.31 kg) |
Reversal Gym Osaka Anne | ||
| Clement Gabriel | 0'0" (0 m) |
135 lbs (61.23 kg) |
Reversal Gym Shinjuku Me, We | ||
| Daiji Naito | 5'7" (1.7 m) |
145 lbs (65.77 kg) |
Reversal Gym Kuki Wings | ||
| Daiki Takashima | 5'4" (1.63 m) |
145 lbs (65.77 kg) |
Reversal Gym Shinjuku Me, We | ||
| Daiki Kaneko | 5'5" (1.65 m) |
143 lbs (64.86 kg) |
Reversal Gym Kawaguchi Redips | ||
| Daiki Fukumoto | 5'8" (1.73 m) |
135 lbs (61.23 kg) |
Reversal Gym Tachikawa Alpha | ||
| Daiki Taguchi | 5'5" (1.65 m) |
135 lbs (61.23 kg) |
Reversal Gym Osaka Anne | ||
| Daisuke Teramoto | 0'0" (0 m) |
145 lbs (65.77 kg) |
Reversal Gym Yokohama Ground Slam | ||