Keiichiro Yamamiya Mixed martial arts record Mixed martial arts record

| Res_ | Record | Opponent | Method_ | Event | Round | Location_ |
|---|---|---|---|---|---|---|
| Win | 32-18-8 | Chael Sonnen | Decision (majority) | Pancrase - 2004 Neo-Blood Tournament, Final | 3 | Tokyo , Japan |
| Win | 31-18-8 | Kozo Urita | Decision (unanimous) | Pancrase - Brave 5 | 2 | Tokyo , Japan |
| Draw | 30-18-8 | Bret Bergmark | Draw | Pancrase - Hybrid 11 | 3 | Tokyo , Japan |
| Draw | 30-18-7 | Keith Jardine | Draw | Pancrase - Hybrid 8 | 2 | Osaka , Japan |
| Win | 30-18-6 | Nate Marquardt | Decision (unanimous) | Pancrase - 2003 Neo-Blood Tournament, Round 2 | 3 | Tokyo , Japan |
| Loss | 29-18-6 | Nilson de Castro | TKO (punches) | Pancrase - Hybrid 6 | 1 | Tokyo , Japan |
| Draw | 29-17-6 | Tsuyoshi Kurihara | Draw | Pancrase - Hybrid 4 | 2 | Tokyo , Japan |
| Loss | 29-17-5 | Akihiro Gono | TKO (punches) | Pancrase - Spirit 9 | 3 | Tokyo , Japan |