Duane Ludwig
| Result | Record | Opponent | Method | Event | Date | Round | Time | Location | Notes |
| Win | 20-11 | Nick Osipczak | Decision (Split) | UFC 122: Marquardt vs. Okami | November 13, 2010 | 3 | 5:00 | Oberhausen, Germany | Returns to Welterweight Division |
| Loss | 19-11 | Darren Elkins | TKO (Ankle Injury) | UFC Live: Vera vs. Jones | March 21, 2010 | 1 | 0:44 | Broomfield, Colorado | |
| Loss | 19-10 | Jim Miller | Submission (Armbar) | UFC 108: Evans vs. Silva | January 2, 2010 | 1 | 2:31 | Las Vegas, Nevada | |
| Win | 19-9 | Ryan Roberts | Submission (Punches) | ROF 36 | December 4, 2009 | 1 | 2:05 | Denver, Colorado | |
| Loss | 18-9 | Lyle Beerbohm | Submission (Bulldog Choke) | ShoMMA 2 | June 19, 2009 | 1 | 4:27 | Kent, Washington | |
| Win | 18-8 | Yves Edwards | Decision (Unanimous) | Strikeforce: Destruction | November 21, 2008 | 3 | 5:00 | San Jose, California | |
| Win | 17-8 | Sammy Morgan | TKO (Punches) | Strikeforce: Payback | October 3, 2008 | 1 | 2:01 | Broomfield, Colorado | |
| Loss | 16-8 | Takanori Gomi | TKO (Doctor Stoppage) | Sengoku - First Battle | March 5, 2008 | 1 | 2:28 | Tokyo | |
| Win | 16-7 | Mario Stapel | KO (Knees and Punches) | ROF 30: Domination | September 15, 2007 | 1 | 1:50 | Broomfield, Colorado | |
| Loss | 15-7 | Paul Daley | TKO (Punches) | Strikeforce: Shamrock vs. Baroni | June 22, 2007 | 2 | 0:42 | San Jose, California | |
| Win | 15-6 | Shinya Kumazawa | Technical Submission (Arm-Triangle Choke) | ROF 28: Evolution | February 16, 2007 | 2 | 4:32 | Broomfield, Colorado | |
| Win | 14-6 | Tony Fryklund | TKO (Knee) | Strikeforce: Triple Threat | December 8, 2006 | 2 | 3:37 | San Jose, California | |
| Loss | 13-6 | Josh Thomson | Submission (Guillotine Choke) | Strikeforce: Tank vs. Buentello | October 7, 2006 | 2 | 4:36 | Fresno, California | |
| Loss | 13-5 | Tyson Griffin | TKO (Punches) | Strikeforce: Revenge | June 9, 2006 | 1 | 3:57 | San Jose, California | |
| Win | 13-4 | Jason Palacios | Submission (Armbar) | I.F.F. 1 | May 6, 2006 | 1 | 4:56 | Fort Worth, Texas | |
| Win | 12-4 | Toshikatsu Harada | KO | ROF 21: Full Blast | February 11, 2006 | 1 | 1:44 | Castle Rock, Colorado | |
| Win | 11-4 | Jonathan Goulet | KO (Punch) | UFC Fight Night 3 | January 16, 2006 | 1 | 0:11 | Las Vegas, Nevada | |
| Loss | 10-4 | Sam Morgan | KO | Ring of Fire 16 | April 9, 2005 | 1 | 0:52 | Denver, Colorado | |
| Loss | 10-3 | B.J. Penn | Submission (Arm Triangle Choke) | K-1 MMA ROMANEX | May 22, 2004 | 1 | 1:45 | Saitama | |
| Win | 10-2 | Genki Sudo | Decision (Unanimous) | UFC 42: Sudden Impact | April 25, 2003 | 3 | 5:00 | Miami, Florida | |
| Win | 9-2 | Jens Pulver | KO (Punch) | UCC 12: Adrenaline | January 25, 2003 | 1 | 1:13 | Montreal, Quebec | |
| Win | 8-2 | Thomas Denny | Submission (Knees) | Shogun 1 | December 15, 2001 | 1 | 4:18 | Honolulu, Hawaii | |
| Win | 7-2 | Ressen Messer | TKO | GC 5: Rumble in the Rockies | August 19, 2001 | N/A | N/A | Denver, Colorado | |
| Win | 6-2 | Charles Bennett | Submission (Exhaustion) | KOTC 10: Critical Mass | August 4, 2001 | 2 | 2:38 | San Jacinto, California | |
| Win | 5-2 | Caesar Moreno | KO | GC 4: Collision at Colusa | June 17, 2001 | 1 | 3:58 | California | |
| Loss | 4-2 | Eric Payne | Submission (Rear Naked Choke) | ROF 2: Trial By Fire | February 10, 2001 | 1 | 0:35 | Denver, Colorado | |
| Loss | 4-1 | Kelly Dullanty | Decision (Unanimous) | KOTC 6: Road Warriors | November 29, 2000 | 3 | 5:00 | Mt. Pleasant, Michigan | |
| Win | 4-0 | Shad Smith | TKO (Corner Stoppage) | KOTC 4: Gladiators | June 24, 2000 | 1 | 3:08 | San Jacinto, California | |
| Win | 3-0 | Jason Maxwell | Decision | KOTC 3: Knockout Nightmare | April 15, 2000 | 2 | 5:00 | San Jacinto, California | |
| Win | 2-0 | Earl Littlepage | Submission (Verbal) | Aspen Slammer | February 25, 2000 | 1 | N/A | Aspen, Colorado | |
| Win | 1-0 | David Ibarra | KO (Head Kick) | KOTC 2: Desert Storm | February 5, 2000 | 1 | 4:15 | San Jacinto, California |
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