| Pro Record: | 7-8-0 (Win-Loss-Draw) |
| Team: | Rings U File Camp |
| Age: | 32 |
| Sex: | Male |
| Height: | 5 Feet. 9 Inch(es). |
| Weight: | 185 lbs. |
| Out of: | Tokyo |
Kazuki Okubo's Professional Record
| Date | Result | Opponent | Event | Method | Round | Time | ||
|---|---|---|---|---|---|---|---|---|
| NSF | 11/05/2005 | Loss | Kurt Pellegrino | Mixed Fighting Championship 5: USA vs. Japan | TKO/RSC Referee Stoppage from Strikes | 1 | ||
| NSF | 07/17/2005 | Win | Ryuichi Murata | Pride: Bushido 8 | Submission Reverse Arm Bar | 1 | 9:30 | |
| NSF | 02/26/2005 | Loss | Jeremy Horn | Mixed Fighting Championship 3: USA vs. the World | TKO/RSC Referee Stoppage from Body Blows | 1 | 3:19 | |
| NSF | 10/09/2004 | Loss | Flavio Luiz de Moura | M-1 Mix- Fight: Middleweight Grand Prix | Submission Guillotine Choke | |||
| NSF | 07/03/2004 | Win | Ill Num Kim | Deep: 15th Impact | Submission Choke | 2 | 1:49 | |
| NSF | 04/18/2004 | Win | Koji Okuyaka | Deep: 14th Impact | Submission Arm Bar | 1 | 4:08 | |
| NSF | 06/25/2003 | Loss | Tetsuya Onose | Deep: 10th Impact | KO Punches | 1 | 1:36 | |
| NSF | 05/05/2003 | Win | Kato Kung Lee | Deep: 9th Impact | Submission Arm Bar | 1 | 3:28 | |
| NSF | 12/23/2002 | Loss | Daijiro Matsui | Pride 24: Cold Fury 3 | Decision Unanimous Decision | 3 | ||
| NSF | 09/07/2002 | Win | Shoichi Ichimiya | Deep: 6th Impact | Submission Arm Bar | 1 | 2:41 | |
| NSF | 07/28/2002 | Loss | Hidetaka Monma | Pancrase: 2002 Neo-Blood Tournament, Round 1 | Decision Split Decision | 3 | ||
| NSF | 02/17/2002 | Loss | Hikaru Sato | Pancrase: Spirit 2 | Decision | 2 | ||
| NSF | 12/23/2001 | Loss | Ikuhisa Minowa | Deep: 3rd Impact | Submission Arm Bar | 1 | 3:38 | |
| NSF | 08/18/2001 | Win | Kato Lee | Deep: Heatwave | Submission Arm Bar | 1 | 3:05 | |
| NSF | 03/20/2001 | Win | Motomichi Mori | Rings: Battle Genesis Volume 7 | Decision Majority Decision | 2 |
 : |
Bout results verified by an official State, Tribal, Provincial, or Municipal Commission. |
| NSF: | Non Sanctioned Fight |
| * : | For a variety of reasons, including weight disparity and the demands of entertainment, Exhibition Bouts are held, in which the contest is unscripted and hard fought, but the results do not count on a fighter's Official Record. |
| NC: | Fight Declared No Contest |
