Seiji "Oz" Otsuka
| First Name: Seiji | Last Name: Otsuka |
| Nickname: Oz | |
| Date of Birth: Oct 07, 1978 | Age: 45 |
| Weight: 60.0 | Height: 163.0 |
| Reach: 0.0 | |
| Location: Mito, Ibaraki Japan | |
| Hometown: Mito, Ibaraki Japan | |
| Fighting Styles: | |
| Affiliations: Combat Sports Circle OZ | |
| Fight Stats | |||||
| Record | 16 - 13 - 5 | Last 5 Fights | |||
| Total Fights | 36 fights | Professional Fights | 34 fights | ||
| Amateur Fights | 2 fights | Years Fighting | 22 years | ||
| Days Last Fought | 2446 days | Rounds Fought | 70 rounds | ||
| Finish Wins | 8 finishes | Finish Losses | 4 finish losses | ||
| Finish Win Percentage | 50 % | Finish Loss Percentage | 30 % | ||
| Knockout Wins | 2 KOs | Knockout Losses | 2 KO losses | ||
| TKO Wins | 5 TKOs | TKO Losses | 2 TKO losses | ||
| KO/TKO Win Percentage | 43 % | KO/TKO Loss Percentage | 30 % | ||
| Submission Wins | 1 subs | Submission Losses | 0 sub losses | ||
| Submission Win Percentage | 6 % | Submission Loss Percentage | 0 % | ||
| Decision Wins | 8 decision wins | Decision Losses | 9 decision losses | ||
| Decision Win Percentage | 50 % | Decision Loss Percentage | 69 % | ||
| Unanimous Decision Wins | 4 UD wins | Unanimous Decision Losses | 7 UD losses | ||
| Split Decision Wins | 2 SD wins | Split Decision Losses | 1 SD losses | ||
Professional Fights
Pancrase - 289
August 20, 2017 SundayDiffer Ariake, Tokyo, Japan
Decision (Split) Round: 3 Time: 5:00
283
December 18, 2016 SundayDiffer Ariake, Tokyo, Japan
TKO (Punches) Round: 2 Time: 1:34
281
October 02, 2016 SundayDiffer Ariake, Tokyo, Japan
KO (Punch) Round: 1 Time: 0:25
265
March 15, 2015 SundayDiffer Ariake, Tokyo, Japan
KO (Head Kick) Round: 2 Time: 1:39
Fight Nights - Battle of Moscow 11
April 20, 2013 SaturdayRussia Concert Hall, Moscow, Russia
TKO (Punches) Round: 1 Time: 0:25
Pancrase - Progress Tour 13
November 25, 2012 SundayAzalea Taisho Hall, Osaka, Japan
Decision (Majority) Round: 3 Time: 5:00
Pancrase - Progress Tour 7
June 02, 2012 SaturdayDiffer Ariake, Tokyo, Japan
Decision (Unanimous) Round: 2 Time: 5:00
Pancrase - Progress Tour 1
January 28, 2012 SaturdayDiffer Ariake, Tokyo, Japan
Draw (Majority) Round: 3 Time: 5:00
Impressive Tour 8
August 07, 2011 SundayDiffer Ariake, Tokyo, Japan
TKO (Punches) Round: 2 Time: 0:57
Impressive Tour 5
June 05, 2011 SundayDiffer Ariake, Tokyo, Japan
Draw (Majority) Round: 2 Time: 5:00
Nitro MMA - Nitro 1
August 27, 2010 FridayChandler Arena, Chandler, Queensland, Australia
Decision (Majority) Round: 3 Time: 5:00
GCM - Cage Force Preliminary Festival 1
July 25, 2010 SundayDiffer Ariake, Tokyo, Japan
TKO (Elbow) Round: 3 Time: 0:14
GCM - Cage Force 16
April 11, 2010 SundayDiffer Ariake, Tokyo, Japan
TKO (Punches) Round: 3 Time: 1:59
GCM - Cage Force EX
February 28, 2009 SaturdayTokorozawa City Gymnasium, Tokorozawa, Saitama, Japan
KO (Head Kick) Round: 1 Time: 2:39
Shooto - Shooting Disco 6: Glory Shines In You
October 05, 2008 SundayShinjuku Face, Tokyo, Japan
Draw (Unanimous) Round: 2 Time: 5:00
Shooto - Shooting Disco 5: Earth, Wind and Fighter
June 21, 2008 SaturdayShinjuku FACE, Tokyo, Japan
KO (Knee) Round: 2 Time: 0:59
GCM - Cage Force 5
December 01, 2007 Saturday
Decision (Unanimous) Round: 2 Time: 5:00
Deep - clubDeep Yamaguchi
September 23, 2007 SundayShinnanyo Gymnasium, Shinnanyo, Yamaguchi, Japan
Decision (Unanimous) Round: 2 Time: 5:00
Shooto - Battle Mix Tokyo 4
July 20, 2007 FridayTokyo Kinema Club, Tokyo, Japan
Draw (Majority) Round: 2 Time: 5:00
Deep - clubDeep Tokyo
June 16, 2007 SaturdayShinjuku FACE, Tokyo, Japan
Decision (Split) Round: 2 Time: 5:00
Bodog Fight
October 04, 2006 WednesdayShinjuku Face, Tokyo, Japan
Decision (Unanimous) Round: 2 Time: 5:00
Kill Or Be Killed
August 15, 2006 TuesdayKorakuen Hall in Tokyo, Japan
Decision (Unanimous) Round: 2 Time: 5:00
Shooto - 3/24 in Korakuen Hall
March 24, 2006 FridayKorakuen Hall, Tokyo, Japan
Decision (Unanimous) Round: 2 Time: 5:00
Shooto - Shooter's Summer
July 14, 2005 ThursdayKitazawa Town Hall, Setagaya, Tokyo, Japan
Decision (Unanimous) Round: 2 Time: 5:00
Shooto - 2/6 in Kitazawa Town Hall
February 06, 2005 SundayKitazawa Town Hall, Setagaya, Tokyo, Japan
TKO (Doctor Stoppage) Round: 2 Time: 0:20
Shooto - Wanna Shooto 2004
November 12, 2004 FridayKorakuen Hall, Tokyo, Japan
Decision (Unanimous) Round: 2 Time: 5:00
GCM - Demolition 031227
December 27, 2003 SaturdayTokyo, Japan
Submission (Straight Armbar) Round: 1 Time: 1:40
Shooto - 7/13 in Korakuen Hall
July 13, 2003 SundayKorakuen Hall, Tokyo, Japan
Decision (Unanimous) Round: 2 Time: 5:00
GCM - Demolition 030501
May 01, 2003 ThursdayShimokitazawa Town HallTokyo, Japan
Decision (Majority) Round: 2 Time: 5:00
Shooto - Treasure Hunt 5
March 15, 2002 FridayKorakuen Hall, Tokyo, Japan
Decision (Unanimous) Round: 2 Time: 5:00
Shooto - Gig East 7
November 26, 2001 MondayKitazawa Town Hall, Tokyo, Japan
Draw Round: 2 Time: 5:00
To The Top 5
June 30, 2001 SaturdayKitazawa Town Hall, Setagaya, Tokyo, Japan
Decision (Split) Round: 2 Time: 5:00
Shooto Gig East 2
May 22, 2001 TuesdayKitazawa Town Hall, Tokyo, Japan
Decision (Unanimous) Round: 2 Time: 5:00
