| Team | Paraestra Omiya |
|---|---|
| Age | 46 |
| Gender | Male |
| Height | 5' 3" |
| Weight Class | Flyweight |
| Out of | Omiya, |
Seiji Otsuka is a MMA fighter with a professional fight record of 9 wins, 8 losses and 3 draws
| Pro Record | 9-8-3 (Win-Loss-Draw) |
|---|---|
| Career Length | 8 years, 10 months, 20 days |
| Rounds Fought | 37.0 |
| Avg. Fights/Year | 2.3 |
| Longest Layoff | 1 year, 9 months, 21 days |
| Quickest Turnaround | 1 month, 3 days |
| Date | Opponent | Weightclass | Method | Round | Time | |||
|---|---|---|---|---|---|---|---|---|
| NSF | 04/11/2010 | W (8-8-3) | Kazuki Itaya (0-0-2) | FLY | TKO/RSC Greatest Common Multiple - Cage Force 16 | 3 | 01:59 | |
| NSF | 06/21/2008 | W (7-8-3) | Ayumu Shioda (3-5-0) | KO (Knee) Shooto: Shooting Disco 5 | 2 | 00:59 | ||
| NSF | 12/01/2007 | L (7-7-3) | Takeya Mizugaki (7-2-2) | Decision (Unanimous Decision) Greatest Common Multiple: Cage Force 5 | 2 | 05:00 | ||
| NSF | 09/23/2007 | L (7-6-3) | Toru Harai (0-0-0) | Decision (Unanimous Decision) DEEP: Club DEEP - Yamaguchi | 2 | 05:00 | ||
| NSF | 07/20/2007 | D (7-6-2) | Junya Kudo (3-0-0) | FTW | Draw (Majority Draw) Shooto: Battle Mix Tokyo 04 | 2 | 05:00 | |
| NSF | 06/16/2007 | W (6-6-2) | Taro Shimazaki (0-0-1) | Decision (Split Decision) DEEP: DEEP X | 2 | 05:00 | ||
| NSF | 10/04/2006 | L (6-5-2) | Tomohiko Hori (2-3-3) | Decision (Unanimous Decision) Greatest Common Multiple: Mars - Bodog Fight | 2 | 05:00 | ||
| NSF | 08/15/2006 | L (6-4-2) | Zach Rapadas (0-0-0) | Decision (Unanimous Decision) Kokoro: Kill or be Killed | 2 | 05:00 | ||
| NSF | 07/08/2006 | D (6-4-1) | Motomare Takahashi (2-1-0) | Draw Deep: Club Deep | 2 | 05:00 | ||
| NSF | 03/24/2006 | W (5-4-1) | Takamaro Watari (1-1-2) | WW | Decision (Unanimous Decision) Professional Shooto JAPAN 2006 | 2 | 05:00 | |
| NSF | 07/14/2005 | L (5-3-1) | Takahiro Hosoi (1-2-0) | FTW | Decision (Unanimous Decision) Shooto: Shooter's Summer | 2 | 05:00 | |
| NSF | 02/06/2005 | L (5-2-1) | So Tazawa (4-1-0) | FTW | TKO/RSC Professional Shooto JAPAN 2005 | 2 | 00:20 | |
| NSF | 11/12/2004 | L (5-1-1) | Kenji Osawa (7-3-0) | FTW | Decision (Unanimous Decision) Shooto : Wanna Shooto 2004 | 2 | 05:00 | |
| NSF | 12/27/2003 | W (4-1-1) | Yoshinobu Ohta (4-5-3) | Submission (Arm Bar) Greatest Common Multiple: Demolition 12 | 1 | 01:40 | ||
| NSF | 07/13/2003 | W (3-1-1) | Luciano Azevedo (0-0-0) | FTW | Decision (Unanimous Decision) Shooto: Professional Shooto JAPAN 2003 | 2 | 05:00 | |
| NSF | 05/01/2003 | W (2-1-1) | Takahiro Sanehara (2-1-1) | Decision (Majority Decision) Greatest Common Multiple: Demolition 7 | 2 | 05:00 | ||
| NSF | 03/15/2002 | L (2-0-1) | Noriyuki Yokoyama (0-0-1) | FTW | Decision (Unanimous Decision) Shooto: Professional Shooto JAPAN 2002 | 2 | 05:00 | |
| NSF | 11/26/2001 | D (2-0-0) | Hiroshi Umemura (2-5-1) | FTW | Draw Shooto: Gig East Vol.7 | 2 | 05:00 | |
| NSF | 06/30/2001 | W (1-0-0) | Katsuhisa Akasaki (0-6-1) | FTW | Decision (Split Decision) Shooto: To The Top Vol. 5 | 2 | 05:00 | |
| NSF | 05/22/2001 | W (0-0-0) | Yoshihiro Fujita (2-3-1) | Decision (Unanimous Decision) Shooto: GIG East 2 | 2 | 05:00 |
| * Bouts marked with an 'Official' logo denote results which have been verified by an ABC-recognized athletic commission * Bouts marked with an (*) are considered exhibition bouts and do not count towards the fighter's record * Weights marked with an (*) denote those over the limit for the weight class |