Keiichiro Yamamiya Mixed martial arts record Mixed martial arts record

| Res_ | Record | Opponent | Method_ | Event | Round | Location_ |
|---|---|---|---|---|---|---|
| Loss | 5-7-1 | Guy Mezger | Decision (lost points) | Pancrase: Alive 7 | 1 | Japan |
| Draw | 5-6-1 | Kiuma Kunioku | Draw | Pancrase: Alive 5 | 1 | Kobe , Japan |
| Win | 5-6 | Taka Michinoku | Submission (keylock) | Pancrase: Alive 4 | 1 | Tokyo , Japan |
| Loss | 4-6 | Ryushi Yanagisawa | Decision (lost points) | Pancrase: Alive 3 | 1 | Nagoya , Japan |
| Win | 4-5 | Takafumi Ito | Decision (lost points) | Pancrase: Alive 2 | 1 | Tokyo , Japan |
| Win | 3-5 | Brian Gassaway | Decision (lost points) | Pancrase: Alive 1 | 1 | Tokyo , Japan |
| Win | 2-5 | Wes Gassaway | Decision (unanimous) | Pancrase - Truth 10 | 1 | Japan |
| Loss | 1-5 | Yoshiki Takahashi | Submission | Pancrase - Truth 9 | 1 | Kobe , Japan |