| Sieg | 18-14 | Mu Bae Choi  | TKO (Punches) |  | Road FC 50 | Nov 03, 2018 | 1 | 1:55 | Daejeon, South Korea |
| Sieg | 17-14 | Justin Morton  | Submission (North-South Choke) |  | Road FC 49 | Aug 18, 2018 | 2 | 1:19 | Seoul, South Korea |
| Sieg | 16-14 | Handong Kong  | TKO (retirement) |  | Road FC 47 | May 12, 2018 | 2 | 4:46 | Beijing, China |
| Niederlage | 15-14 | Sang Soo Lee | TKO (Punches) |  | HEAT 41 | Dec 23, 2017 | 1 | 3:59 | Nagoya Congress Center Event Hall |
| Niederlage | 15-13 | Aorigele | TKO (Punches) |  | Road FC 44 | Nov 11, 2017 | 1 | 1:59 | Shijiazhuang, Hebei, China |
| Niederlage | 15-12 | Baruto Kaito  | Decision (Unanimous) |  | RIZIN Fighting World Grand Prix | Sep 25, 2016 | 2 | 10:00 | Saitama, Japan  |
| Niederlage | 15-11 | Jiri Prochazka  | KO (Punch) |  | RIZIN FF 1 | Apr 17, 2016 | 1 | 3:18 | Nagoya, Aichi, Japan |
| Niederlage | 15-10 | Satoshi Ishii | Decision (Unanimous) |  | IGF - Inoki Bom-Ba-Ye 2013 | Dec 31, 2013 | 3 | 5:00 | Sumida, Tokyo, Japan |
| Niederlage | 15-9 | Alistair Overeem  | KO (knee) |  | Dynamite!! 2009 | Dec 31, 2009 | 1 | 1:15 | Saitama, Saitama, Japan |
| Niederlage | 15-8 | Blagoi Ivanov  | Decision (split) |  | World VRP:Sengoku 9 | Aug 02, 2009 | 3 | 5:00 | Super Arena, Saitama, Japan |
| Niederlage | 15-7 | Travis Wiuff | KO (punches) |  | World Victory Road Presents: Sengoku 3 | Jun 08, 2008 | 1 | 1:24 | Saitama, Japan |
| Sieg | 15-6 | Peter Graham  | Submission |  | WVRP: Sengoku 1 | Mar 05, 2008 | 1 | 1:23 | Tokyo, Japan |
| Niederlage | 14-6 | Jeff Monson  | Submission (rear naked choke) |  | Pride 34 | Apr 08, 2007 | 1 | 6:37 | Saitama, Saitama, Japan |
| Sieg | 14-5 | Eldar Kurtanidze | Submission (punches) |  | Pride FC - Shockwave 2006 | Dec 31, 2006 | 1 | 2:09 | Saitama, Japan |
| Niederlage | 13-5 | Wanderlei Silva  | TKO (punches and soccer kicks) |  | Pride Critical Countdown Absolute | Jul 01, 2006 | 1 | 9:21 | Saitama, Saitama, Japan |
| Sieg | 13-4 | James Thompson  | KO (right hook) | | Pride Total Elimination Absolute | May 05, 2006 | 1 | 8:25 | Osaka Dome, Osaka, Japan |
| Sieg | 12-4 | Karam Gaber | KO (punch) | | K-1 - Premium 2004 Dynamite!! | Dec 31, 2004 | 1 | 1:07 | Osaka, Japan |
| Sieg | 11-4 | Bob Sapp | Submission (soccer kicks) | | K-1 MMA ROMANEX | May 22, 2004 | 1 | 2:15 | Saitama, Japan |
| Sieg | 10-4 | Imamu Mayfield | Technical Submission (arm-triangle choke) | | Inoki Bom-Ba-Ye 2003 | Dec 31, 2003 | 2 | 2:15 | Kobe, Japan |
| Niederlage | 9-4 | Fedor Emelianenko | Submission (rear naked choke) |  | Pride 26 | Jun 08, 2003 | 1 | 4:17 | Tokyo, Tokyo, Japan |
| Sieg | 9-3 | Manabu Nakanishi | TKO (punches) | | NJPW - Ultimate Crush | May 02, 2003 | 3 | 1:09 | Tokyo, Japan |
| Niederlage | 8-3 | Mirko Filipović  | Decision (unanimous) | | Inoki Bom-Ba-Ye 2002 | Dec 31, 2002 | 3 | 5:00 | Saitama, Saitama, Japan |
| Sieg | 8-2 | Tadao Yasuda | Submission (arm-triangle choke) | | UFO - Legend | Aug 08, 2002 | 1 | 2:46 | Tokyo, Japan |
| Niederlage | 7-2 | Mirko Filipović | TKO (cut) | | K-1: Andy Hug Memorial | Aug 19, 2001 | 1 | 0:39 | Saitama, Saitama, Japan |
| Sieg | 7-1 | Yoshihiro Takayama | Submission (arm-triangle choke) |  | Pride 14 - Clash of the Titans | May 27, 2001 | 2 | 3:10 | Yokohama, Japan |
| Sieg | 6-1 | Gilbert Yvel | Decision (unanimous) | | Pride 12 | Dec 09, 2000 | 2 | 10:00 | Saitama Super Arena, Japan |
| Sieg | 5-1 | Ken Shamrock | TKO (corner stoppage) | | Pride 10 - Return of the Warriors | Aug 27, 2000 | 1 | 6:46 | Saitama, Japan |
| Niederlage | 4-1 | Mark Coleman | TKO (corner stoppage) |  | Pride Grand Prix 2000 Finals | May 01, 2000 | 1 | 0:02 | Tokyo, Japan |
| Sieg | 4-0 | Mark Kerr | Decision (unanimous) | | Pride Grand Prix 2000 Finals | May 01, 2000 | 1 | 15:00 | Tokyo, Japan |
| Sieg | 3-0 | Will Childs | Submission (rear-naked choke) | | Extreme Shootout - The Underground | Apr 01, 2000 | - | N/A | Killeen, Texas, United States |
| Sieg | 2-0 | Dan Chase | KO (punch) | | Extreme Shootout - The Underground | Apr 01, 2000 | - | N/A | Killeen, Texas, United States |
| Sieg | 1-0 | Hans Nijman | Submission (neck crank) | | PRIDE Grand Prix 2000 Opening Round | Jan 30, 2000 | 1 | 2:48 | Tokyo, Japan |
