World Victory Road Presents: Sengoku 4 was promoted by World Victory Road. The event took place on August 24, 2008 at the Saitama Super Arena in Saitama City, Japan. It featured the second World Victory Road appearance by the last PRIDE Lightweight Champion, Takanori Gomi, as well as the beginning of a lightweight tournament which will determine a contender who will go on to challenge Takanori Gomi for the vacant Sengoku Lightweight Championship at a later date.
| Match | Winner | Loser | Method | Round | Time |
| 1 | Valentijn Overeem | Yoshiki Takahashi | KO (Flying Knee) | 1 | 2:42 |
| 2 | Moise Rimbon | Peter Graham | Submission (Rear-Naked Choke) | 2 | 0:42 |
| 3 | Yang Dong Yi | Pawel Nastula | TKO | 2 | 2:15 |
| 4 | Mizuto Hirota | Ryan Schultz | KO (Superman Punch) | 2 | 4:25 |
| 5 | Kazunori Yokota | Bojan Kosednar | Decision (Unanimous) | 3 | 5:00 |
| 6 | Eiji Mitsuoka | Rodrigo Damm | Submission (Rear-Naked Choke) | 1 | 3:13 |
| 7 | Satoru Kitaoka | Clay French | Submission (Achilles Lock) | 1 | 0:31 |
| 8 | Frank Trigg | Makoto Takimoto | Decision (Unanimous) | 3 | 5:00 |
| 9 | Takanori Gomi | Seung Hwan Bang | Decision (Unanimous) | 3 | 5:00 |
