| Unentschieden | 39-13-2 | Volk Han  | Draw (majority) | | RINGS/The Outsider: Volk Han Retirement Match | Dec 16, 2012 | 1 | 15:00 | Tokyo, Japan |
| Sieg | 39-13-1 | Ikuhisa Minowa  | Submission (heel hook) |  | Dream 6 | Sep 23, 2008 | 1 | 0:52 | Saitama, Japan |
| Niederlage | 38-13-1 | Kiyoshi Tamura | TKO (punches) |  | Dream 2: Middleweight Grand Prix 2008 First Round | Apr 29, 2008 | 1 | 0:57 | Saitama, Japan |
| Niederlage | 38-12-1 | Kazushi Sakuraba | Submission (kimura) |  | K-1 PREMIUM Dynamite!! | Dec 31, 2007 | 1 | 6:25 | Osaka, Japan |
| Niederlage | 38-11-1 | Rickson Gracie  | Technical submission (rear naked choke) | | Colosseum 2000 | Mar 26, 2000 | 1 | 12:49 | Japan |
| Sieg | 38-10-1 | Tony Petarra | Submission (punches) | | Pancrase: 1999 Anniversary Show | Sep 18, 1999 | 1 | 1:16 | Urayasu, Chiba, Japan |
| Unentschieden | 37-10-1 | Ebenezer Fontes Braga | Draw | | Pancrase: Breakthrough 4 | Apr 18, 1999 | 1 | 15:00 | Yokohama, Kanagawa, Japan |
| Sieg | 37-10 | John Renken | Submission (punches) | | Pancrase: Advance 12 | Dec 19, 1998 | 1 | 5:50 | Urayasu, Chiba, Japan |
| Niederlage | 36-10 | Kiuma Kunioku | Decision (lost points) | | Pancrase: Advance 10 | Oct 26, 1998 | 1 | 15:00 | Tokyo, Japan |
| Niederlage | 36-9 | Semmy Schilt  | KO (body punch) | | Pancrase - 1998 Anniversary Show | Sep 14, 1998 | 1 | 7:13 | Tokyo, Japan |
| Sieg | 36-8 | Osami Shibuya | Submission (arm triangle choke) | | Pancrase: 1998 Neo-Blood Tournament Second Round | Jul 26, 1998 | 1 | 6:07 | Aomori, Japan |
| Niederlage | 35-8 | Guy Mezger | Decision (unanimous) | | Pancrase: Advance 5 | Apr 26, 1998 | 1 | 30:00 | Yokohama, Kanagawa, Japan |
| Sieg | 35-7 | Semmy Schilt | Decision (lost points) | | Pancrase - Advance 4 | Mar 18, 1998 | 1 | 15:00 | Tokyo, Japan |
| Sieg | 34-7 | Katsuomi Inagaki | Submission | | Pancrase: Advance 2 | Feb 06, 1998 | 1 | 2:36 | Yokohama, Kanagawa, Japan |
| Sieg | 33-7 | Yuki Kondo | Submission (triangle kimura) | | Pancrase: Alive 11 | Dec 20, 1997 | 1 | 2:20 | Tokyo, Japan |
| Sieg | 32-7 | Jason Godsey | Submission (calf slicer) | | Pancrase: Alive 10 | Nov 16, 1997 | 1 | 7:12 | Kobe, Hyogo, Japan |
| Sieg | 31-7 | Guy Mezger | Submission (triangle armbar) | | Pancrase: 1997 Anniversary Show | Sep 06, 1997 | 1 | 3:58 | Urayasu, Chiba, Japan |
| Sieg | 30-7 | Osami Shibuya | Submission (guillotine choke) | | Pancrase: 1997 Neo-Blood Tournament, Round 1 | Jul 20, 1997 | 1 | 2:34 | Tokyo, Japan |
| Sieg | 29-7 | Wes Gassaway | Submission (achilles lock) | | Pancrase: Alive 7 | Jun 30, 1997 | 1 | 1:05 | Hakata, Fukuoka, Japan |
| Niederlage | 28-7 | Yuki Kondo | Submission (triangle armbar) | | Pancrase: Alive 4 | Apr 27, 1997 | 1 | 15:12 | Urayasu, Chiba, Japan |
| Sieg | 28-6 | Paul Lazenby | Submission (top wristlock) | | Pancrase: Alive 3 | Mar 22, 1997 | 1 | 4:36 | Nagoya, Aichi, Japan |
| Sieg | 27-6 | Semmy Schilt | Submission (toe hold) | | Pancrase: Alive 2 | Feb 22, 1997 | 1 | 5:47 | Chiba, Japan |
| Sieg | 26-6 | Jason DeLucia | TKO (leg injury) | | Pancrase: Truth 10 | Dec 15, 1996 | 1 | 2:34 | Tokyo, Japan |
| Sieg | 25-6 | Yuki Kondo | Submission (rear-naked choke) | | Pancrase: Truth 9 | Nov 09, 1996 | 1 | 1:43 | Kobe, Hyogo, Japan |
| Niederlage | 24-6 | Bas Rutten | KO (knee) | | Pancrase: 1996 Anniversary Show | Sep 07, 1996 | 1 | 17:05 | Urayasu, Chiba, Japan |
| Sieg | 24-5 | Takafumi Ito | Submission (rear-naked choke) | | Pancrase: 1996 Neo-Blood Tournament, Round 2 | Jul 23, 1996 | 1 | 2:01 | Tokyo, Japan |
| Sieg | 23-5 | Vernon White | Submission (achilles lock) | | Pancrase: Truth 6 | Jun 25, 1996 | 1 | 2:34 | Fukuoka, Japan |
| Sieg | 22-5 | August Smisl | Submission (rear-naked choke) | | Pancrase: Truth 5 | May 16, 1996 | 1 | 2:01 | Tokyo, Japan |
| Sieg | 21-5 | Katsuomi Inagaki | Submission (kneebar) | | Pancrase: Truth 2 | Mar 02, 1996 | 1 | 1:14 | Kobe, Hyogo, Japan |
| Sieg | 20-5 | Ryushi Yanagisawa | Technical Submission (americana) | | Pancrase: Truth 1 | Jan 28, 1996 | 1 | 8:42 | Yokohama, Kanagawa, Japan |
| Sieg | 19-5 | Takaku Fuke | Submission (rear-naked choke) | | Pancrase: Eyes of Beast 7 | Dec 14, 1995 | 1 | 0:31 | Sapporo, Hokkaido, Japan |
| Niederlage | 18-5 | Frank Shamrock  | Submission (toehold) | | Pancrase: Eyes of Beast 6 | Nov 04, 1995 | 1 | 10:31 | Yokohama, Japan |
| Sieg | 18-4 | Guy Mezger | Submission (achilles lock) | | Pancrase: 1995 Anniversary Show | Sep 01, 1995 | 1 | 6:46 | Tokyo, Japan |
| Sieg | 17-4 | Leon Dijk | Submission (achilles lock) | | Pancrase: 1995 Neo-Blood Tournament Second Round | Jul 23, 1995 | 1 | 1:01 | Tokyo, Japan |
| Sieg | 16-4 | Gregory Smit | Submission (achilles lock) | | Pancrase: Eyes of Beast 5 | Jul 13, 1995 | 1 | 7:30 | Tokyo, Japan |
| Sieg | 15-4 | Alex Cook | Submission (heel hook) | | Pancrase: Eyes of Beast 4 | May 13, 1995 | 1 | 7:14 | Urayasu, Chiba, Japan |
| Niederlage | 14-4 | Manabu Yamada | Submission (heel hook) | | Pancrase: Eyes of Beast 3 | Apr 08, 1995 | 1 | 4:43 | Nagoya, Aichi, Japan |
| Sieg | 14-3 | Frank Shamrock | Submission (toehold) | | Pancrase: Eyes of Beast 2 | Mar 10, 1995 | 1 | 5:11 | Yokohama, Kanagawa, Japan |
| Sieg | 13-3 | Jason DeLucia | Submission (heel hook) | | Pancrase: Eyes of Beast 1 | Jan 26, 1995 | 1 | 9:04 | Nagoya, Aichi, Japan |
| Niederlage | 12-3 | Ken Shamrock | Submission (arm triangle choke) | | Pancrase: King of Pancrase Tournament Second Round | Dec 17, 1994 | 1 | 5:50 | Tokyo, Japan |
| Sieg | 12-2 | Vernon White | Submission (americana) | | Pancrase: King of Pancrase Tournament Opening Round | Dec 16, 1994 | 1 | 5:37 | Tokyo, Japan |
| Sieg | 11-2 | Todd Bjornethun | Submission (armbar) | | Pancrase: King of Pancrase Tournament Opening Round | Dec 16, 1994 | 1 | 2:20 | Tokyo, Japan |
| Sieg | 10-2 | Minoru Suzuki | Technical Submission (rear-naked choke) | | Pancrase: Road to the Championship 5 | Oct 15, 1994 | 1 | 1:51 | Newark, New Jersey, United States |
| Sieg | 9-2 | Ken Shamrock | Submission (choke) | | Pancrase: Road to the Championship 4 | Sep 01, 1994 | 1 | 2:30 | Osaka, Japan |
| Sieg | 8-2 | Scott "Bam Bam" Sullivan | Submission (heel hook) | | Pancrase: Road to the Championship 3 | Jul 26, 1994 | 1 | 0:56 | Tokyo, Japan |
| Niederlage | 7-2 | Jason DeLucia | Submission (kneebar) | | Pancrase: Road to the Championship 2 | Jul 06, 1994 | 1 | 1:01 | Amagasaki, Hyogo, Japan |
| Sieg | 7-1 | Gregory Smit | Submission (rear-naked choke) | | Pancrase: Road to the Championship 1 | May 31, 1994 | 1 | 1:58 | Tokyo, Japan |
| Sieg | 6-1 | Takaku Fuke | Submission (rear-naked choke) | | Pancrase: Pancrash! 3 | Apr 21, 1994 | 1 | 6:55 | Osaka, Japan |
| Sieg | 5-1 | Vernon White | KO (palm strike) | | Pancrase: Pancrash! 2 | Mar 12, 1994 | 1 | 1:13 | Nagoya, Aichi, Japan |
| Sieg | 4-1 | Bas Rutten | Submission (toe hold) | | Pancrase: Pancrash! 1 | Jan 19, 1994 | 1 | 2:58 | Yokohama, Kanagawa, Japan |
| Sieg | 3-1 | Kazuo Takahashi | KO (palm strikes and knees) | | Pancrase: Yes, We Are Hybrid Wrestlers 4 | Dec 08, 1993 | 1 | 3:09 | Hakata, Fukuoka, Japan |
| Sieg | 2-1 | Cees Bezems | Submission (americana) | | Pancrase: Yes, We Are Hybrid Wrestlers 3 | Nov 08, 1993 | 1 | 1:42 | Kobe, Hyogo, Japan |
| Sieg | 1-1 | Ryushi Yanagisawa | Submission (kneebar) | | Pancrase: Yes, We Are Hybrid Wrestlers 2 | Oct 14, 1993 | 1 | 1:35 | Nagoya, Aichi, Japan |
| Niederlage | 0-1 | Ken Shamrock | Submission (arm triangle choke) | | Pancrase: Yes, We Are Hybrid Wrestlers 1 | Sep 21, 1993 | 1 | 6:15 | Urayasu, Japan |
