Nicolai Firtha (Stone Man) boxer
- bouts
- 33
- won
- 21
- lost
- 11
- draw
- 1
- Status
- inactive
- Division
- heavyweight
- Debut
- 2004-06-24
- Height
- 6′ 6″/198cm
- Reach
- -
- Age
- -
- Born
- 1979-02-08
- Death
- -
- Nationality
- USA
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| Date | Opponent | Last Opponents' Results | Place | Result |
|---|---|---|---|---|
| 2013-10-26 | Deontay Wilder | WWWWWW | Boardwalk Hall, Atlantic City | LOST KO |
| 2013-07-13 | Robert Hawkins | LLLLLL | Mountaineer Casino Racetrack and Resort, Chester | WIN Majority decision |
| 2012-02-18 | Johnathon Banks | WWDWWW | Olympiahalle, Munich | LOST Unanimous decision |
| 2011-09-17 | Tyson Fury | WWWWWW | Kings Hall, Belfast | LOST Technical knockout |
| 2011-08-13 | Ross Thompson | LWLLDL | Bob Cene Park, Struthers, Youngstown | WIN Unanimous decision |
| 2010-12-18 | Alexander Povetkin | WWWWWW | Max Schmeling Halle, Prenzlauer Berg | LOST Unanimous decision |
| 2010-08-20 | Mike Sheppard | LWWWWL | Nautica In The Flats, Cleveland | WIN Majority decision |
| 2010-06-26 | Tony Grano | WWLWWW | Mohegan Sun Casino, Uncasville | WIN Technical knockout |
| 2010-01-03 | Joseph Rabotte | LWWLLL | Lutheran High School East, Cleveland | WIN Unanimous decision |
| 2009-10-22 | Manuel Quezada | WWWWWW | Tachi Palace Hotel & Casino, Lemoore | LOST Unanimous decision |
| 2009-06-20 | Tye Fields | WWWWWL | The Venue at River Cree, Enoch | LOST KO |
| 2009-04-02 | Neven Pajkic | WWWWWW | Royal York Hotel, Toronto | LOST Unanimous decision |
| 2009-03-06 | Villi Bloomfield | WLLDWW | Orleans Hotel & Casino, Las Vegas | WIN Unanimous decision |
| 2008-09-25 | Jason Bergman | LLWDLW | Mountaineer Casino Racetrack and Resort, Chester | WIN Unanimous decision |
| 2008-04-27 | Carlton Johnson | LLLLLL | Mountaineer Casino Racetrack and Resort, Chester | WIN Technical knockout |
| 2007-11-21 | Mike Jones | LWLL | Avalon Hotel, Erie | WIN Unanimous decision |
| 2007-10-30 | Mike Miller | LLLDLL | Heinz Field, Pittsburgh | WIN Unanimous decision |
| 2007-08-04 | Carlton Johnson | LLLLLL | Jerry Uht Park, Erie | WIN Technical knockout |
| 2007-03-17 | Franklin Lawrence | WWWLWW | The Tangier, Akron | LOST Unanimous decision |
| 2007-02-10 | Ed Perry | LLWWWW | Wolstein Center, Cleveland | WIN Split-decision |
| 2006-06-16 | Josue Blocus | WWWLLW | Wild Bills, Duluth | LOST Technical knockout |
| 2006-04-13 | James Northey | WWWWWW | Mountaineer Casino Racetrack and Resort, Chester | LOST Technical knockout |
| 2005-12-30 | Jeff Yeoman | WWWLWL | Mountaineer Casino Racetrack and Resort, Chester | WIN Technical knockout |
| 2005-11-23 | Mike Miller | LWW | Mountaineer Casino Racetrack and Resort, Chester | WIN Unanimous decision |
| 2005-07-09 | Otis Mills | WDWL | Gray's Armory, Cleveland | WIN Split-decision |
| 2005-04-01 | Julius Joiner | DLLWWW | DeCarlo's Convention Center, Warren | WIN Unanimous decision |
| 2005-03-16 | Lamar Stephens | WWWWLD | Andiamo Italian, Warren | LOST Unanimous decision |
| 2005-02-12 | David Chappell | WWLLLW | Fort Lee MacLaughlin Gym, Richmond | WIN Technical knockout |
| 2004-12-30 | Mark Johnson | LLLLLL | Mountaineer Casino Racetrack and Resort, Chester | WIN Technical knockout |
| 2004-11-24 | Lamar Stephens | WWWWL | Ramada Inn, Rosemont | DRAW Points |
| 2004-10-27 | Keith Steffan | L | Andiamo's Banquet Center, Warren | WIN Technical knockout |
| 2004-09-09 | Cornell Bradbury | DW | Chapparal's, Akron | WIN Unanimous decision |
| 2004-06-24 | Toby Vaughn | WLLLLL | Chapparal's, Akron | WIN Technical knockout |
