Nicolai Firtha (Stone Man) boxer
| Date | Opponent | Last Opponents' Results | Place | Titles | Result |
|---|---|---|---|---|---|
| Oct. 26, 2013 | Deontay Wilder | WWWWWW | Boardwalk Hall, Atlantic City | LOSS KO |
|
| July 13, 2013 | Robert Hawkins | LLLLLL | Mountaineer Casino Racetrack and Resort, Chester | WIN Majority decision |
|
| Feb. 18, 2012 | Johnathon Banks | WWDWWW | Olympiahalle, Munich | NABF Heavyweight |
LOSS Unanimous decision |
| Sept. 17, 2011 | Tyson Fury | WWWWWW | Kings Hall, Belfast | LOSS Technical knockout |
|
| Aug. 13, 2011 | Ross Thompson | LWLLDL | Bob Cene Park, Struthers, Youngstown | WIN Unanimous decision |
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| Dec. 18, 2010 | Alexander Povetkin | WWWWWW | Max Schmeling Halle, Prenzlauer Berg | LOSS Unanimous decision |
|
| Aug. 20, 2010 | Mike Sheppard | LWWWWL | Nautica In The Flats, Cleveland | NABA - USA Heavyweight vacant USA Ohio State Heavyweight |
WIN Majority decision |
| June 26, 2010 | Tony Grano | WWLWWW | Mohegan Sun Casino, Uncasville | vacant NABA - USA Heavyweight |
WIN Technical knockout |
| Jan. 3, 2010 | Joseph Rabotte | LWWLLL | Lutheran High School East, Cleveland | WIN Unanimous decision |
|
| Oct. 22, 2009 | Manuel Quezada | WWWWWW | Tachi Palace Hotel & Casino, Lemoore | World Boxing Council Caribbean Boxing Federation (CABOFE) Heavyweight |
LOSS Unanimous decision |
| June 20, 2009 | Tye Fields | WWWWWL | The Venue at River Cree, Enoch | vacant USA Native American Boxing Council Heavyweight |
LOSS KO |
| April 2, 2009 | Neven Pajkic | WWWWWW | Royal York Hotel, Toronto | LOSS Unanimous decision |
|
| March 6, 2009 | Villi Bloomfield | WLLDWW | Orleans Hotel & Casino, Las Vegas | WIN Unanimous decision |
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| Sept. 25, 2008 | Jason Bergman | LLWDLW | Mountaineer Casino Racetrack and Resort, Chester | WIN Unanimous decision |
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| April 27, 2008 | Carlton Johnson | LLLLLL | Mountaineer Casino Racetrack and Resort, Chester | WIN Technical knockout |
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| Nov. 21, 2007 | Mike Jones | LWLL | Avalon Hotel, Erie | WIN Unanimous decision |
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| Oct. 30, 2007 | Mike Miller | LLLDLL | Heinz Field, Pittsburgh | WIN Unanimous decision |
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| Aug. 4, 2007 | Carlton Johnson | LLLLLL | Jerry Uht Park, Erie | WIN Technical knockout |
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| March 17, 2007 | Franklin Lawrence | WWWLWW | The Tangier, Akron | LOSS Unanimous decision |
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| Feb. 10, 2007 | Ed Perry | LLWWWW | Wolstein Center, Cleveland | WIN Split-decision |
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| June 16, 2006 | Josue Blocus | WWWLLW | Wild Bills, Duluth | LOSS Technical knockout |
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| April 13, 2006 | James Northey | WWWWWW | Mountaineer Casino Racetrack and Resort, Chester | LOSS Technical knockout |
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| Dec. 30, 2005 | Jeff Yeoman | WWWLWL | Mountaineer Casino Racetrack and Resort, Chester | WIN Technical knockout |
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| Nov. 23, 2005 | Mike Miller | LWW | Mountaineer Casino Racetrack and Resort, Chester | WIN Unanimous decision |
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| July 9, 2005 | Otis Mills | WDWL | Gray's Armory, Cleveland | WIN Split-decision |
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| April 1, 2005 | Julius Joiner | DLLWWW | DeCarlo's Convention Center, Warren | WIN Unanimous decision |
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| March 16, 2005 | Lamar Stephens | WWWWLD | Andiamo Italian, Warren | LOSS Unanimous decision |
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| Feb. 12, 2005 | David Chappell | WWLLLW | Fort Lee MacLaughlin Gym, Richmond | WIN Technical knockout |
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| Dec. 30, 2004 | Mark Johnson | LLLLLL | Mountaineer Casino Racetrack and Resort, Chester | WIN Technical knockout |
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| Nov. 24, 2004 | Lamar Stephens | WWWWL | Ramada Inn, Rosemont | DRAW Points |
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| Oct. 27, 2004 | Keith Steffan | L | Andiamo's Banquet Center, Warren | WIN Technical knockout |
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| Sept. 9, 2004 | Cornell Bradbury | DW | Chapparal's, Akron | WIN Unanimous decision |
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| June 24, 2004 | Toby Vaughn | WLLLLL | Chapparal's, Akron | WIN Technical knockout |