| 43 Wins (40 knockouts, 3 decisions), 2 Losses, 0 Draws[58] |
| Res. | Record | Opponnent | Type | Rd., Time | Date | Location | Notes |
| N/A | N/A | Dereck Chisora | N/A | N/A | 2012-02-18 | Olympiahalle, Munich, Bayern | Defending WBC Heavyweight title. |
| Win | 43–2 | Tomasz Adamek | TKO | 10 (12), 2:20 | 2011-09-10 | Municipal Stadium, Wrocław, Lower Silesian | Retained WBC Heavyweight title. |
| Win | 42–2 | Odlanier Solis | KO | 1 (12), 3:00 | 2011-03-19 | Lanxess Arena, Cologne, Nordrhein-Westfalen | Retained WBC Heavyweight title. |
| Win | 41–2 | Shannon Briggs | UD | 12 | 2010-10-16 | O2 World Arena, Altona, Hamburg | Retained WBC Heavyweight title. |
| Win | 40–2 | Albert Sosnowski | KO | 10 (12), 2:30 | 2010-05-29 | Veltins-Arena, Gelsenkirchen, Nordrhein-Westfalen | Retained WBC Heavyweight title. |
| Win | 39–2 | Kevin Johnson | UD | 12 | 2009-12-12 | PostFinance Arena, Berne, Canton of Berne | Retained WBC Heavyweight title. |
| Win | 38–2 | Chris Arreola | RTD | 10 (12), 3:00 | 2009-09-26 | Staples Center, Los Angeles, California | Retained WBC Heavyweight title. |
| Win | 37–2 | Juan Carlos Gómez | TKO | 9 (12), 1:49 | 2009-03-21 | Hanns-Martin-Schleyer-Halle, Stuttgart, Baden-Württemberg | Retained WBC Heavyweight title. |
| Win | 36–2 | Samuel Peter | RTD | 8 (12), 3:00 | 2008-10-11 | O2 World, Kreuzberg, Berlin | Won WBC Heavyweight title. |
| Win | 35–2 | Danny Williams | TKO | 8 (12), 1:26 | 2004-12-11 | Mandalay Bay Resort & Casino, Las Vegas, Nevada | Retained WBC & The Ring Heavyweight titles. |
| Win | 34–2 | Corrie Sanders | TKO | 8 (12), 2:46 | 2004-04-24 | Staples Center, Los Angeles, California | Won vacant WBC & The Ring Heavyweight titles. |
| Win | 33–2 | Kirk Johnson | TKO | 2 (12), 2:54 | 2003-12-06 | Madison Square Garden, New York City, New York | WBC Heavyweight title eliminator. |
| Loss | 32–2 | Lennox Lewis | TKO | 6 (12), 3:00 | 2003-06-21 | Staples Center, Los Angeles, California | For Lineal, The Ring, WBC & IBO Heavyweight titles. |
| Win | 32–1 | Larry Donald | TKO | 10 (12), 2:35 | 2002-11-23 | Arena Westfalenhalle, Dortmund, Nordrhein-Westfalen | Retained WBA Inter-Continental Heavyweight title. WBA Heavyweight title eliminator. |
| Win | 31–1 | Vaughn Bean | TKO | 11 (12), 1:40 | 2002-02-08 | Volkswagen Halle, Braunschweig, Niedersachsen | Retained WBA Inter-Continental Heavyweight title. |
| Win | 30–1 | Ross Puritty | TKO | 11 (12), 1:16 | 2001-12-08 | König Pilsener Arena, Oberhausen, Nordrhein-Westfalen | Retained WBA Inter-Continental Heavyweight title. |
| Win | 29–1 | Orlin Norris | KO | 1 (12), 1:09 | 2001-01-27 | Rudi Sedlmayer Halle, Munich, Bayern | Won vacant WBA Inter-Continental Heavyweight title. |
| Win | 28–1 | Timo Hoffmann | UD | 12 | 2000-11-25 | Preussag Arena, Hannover, Niedersachsen | Won vacant EBU Heavyweight title. |
| Loss | 27–1 | Chris Byrd | RTD | 9 (12), 3:00 | 2000-04-01 | Estrel Convention Center, Neukölln, Berlin | Lost WBO Heavyweight title. |
| Win | 27–0 | Obed Sullivan | RTD | 9 (12), 3:00 | 1999-12-11 | Alsterdorfer Sporthalle, Alsterdorf, Hamburg | Retained WBO Heavyweight title. |
| Win | 26–0 | Ed Mahone | TKO | 3 (12), 1:45 | 1999-10-09 | König Pilsener Arena, Oberhausen, Nordrhein-Westfalen | Retained WBO Heavyweight title. |
| Win | 25–0 | Herbie Hide | KO | 2 (12), 1:14 | 1999-06-26 | New London Arena, Millwall, London | Won WBO Heavyweight title. |
| Win | 24–0 | Ismael Youla | TKO | 2 (12), 1:30 | 1999-02-20 | Alsterdorfer Sporthalle, Alsterdorf, Hamburg | Retained EBU Heavyweight title. |
| Win | 23–0 | Francesco Spinelli | TKO | 1 (12), 1:49 | 1998-12-05 | Sport Palace, Kiev, Kiev Oblast | Retained EBU Heavyweight title. |
| Win | 22–0 | Mario Schiesser | TKO | 2 (12), 2:00 | 1998-10-24 | Alsterdorfer Sporthalle, Alsterdorf, Hamburg | Won vacant EBU Heavyweight title. |
| Win | 21–0 | Ricardo Kennedy | TKO | 1 (8), 1:31 | 1998-08-11 | Miccosukee Indian Gaming Resort, Miami, Florida | |
| Win | 20–0 | Jose Ribalta | TKO | 2 (8), 2:13 | 1998-06-05 | Sporthalle, Wandsbek, Hamburg | |
| Win | 19–0 | Dicky Ryan | TKO | 5 (12) | 1998-05-02 | Hansehalle, Lübeck, Schleswig-Holstein | Won vacant WBO Inter-Continental Heavyweight title. |
| Win | 18–0 | Julius Francis | TKO | 2 (12) | 1998-04-18 | Eurogress, Aachen, Nordrhein-Westfalen | |
| Win | 17–0 | Levi Billups | KO | 2 (10) | 1998-03-20 | Ballsporthalle, Frankfurt, Hessen | |
| Win | 16–0 | Louis Monaco | KO | 3 (10) | 1998-03-07 | Sartory Saale, Cologne, Nordrhein-Westfalen | |
| Win | 15–0 | Alben Belinski | KO | 2 (8) | 1998-01-30 | Berdux Filmstudios, Munich, Bayern | |
| Win | 14–0 | Marcus Rhode | TKO | 2 (10) | 1998-01-17 | Sport und Erholungszentrum, Friedrichshain, Berlin | |
| Win | 13–0 | Anthony Willis | KO | 5 (8) | 1997-12-20 | Oberrheinhalle, Offenburg, Baden-Württemberg | |
| Win | 12–0 | Herman Delgado | TKO | 3 (8) | 1997-11-29 | Rheinstrandhalle, Karlsruhe, Baden-Württemberg | |
| Win | 11–0 | Gilberto Williamson | KO | 6 (8), 2:50 | 1997-11-08 | Ballsporthalle, Frankfurt, Hessen | |
| Win | 10–0 | Will Hinton | KO | 2 (6) | 1997-10-04 | Stadionsporthalle, Hannover, Niedersachsen | |
| Win | 9–0 | Jimmy Haynes | KO | 2 (6) | 1997-06-14 | Saaltheater Geulen, Aachen, Nordrhein-Westfalen | |
| Win | 8–0 | Cleveland Woods | KO | 2 (6), 2:16 | 1997-05-10 | Ballsporthalle, Frankfurt, Hessen | |
| Win | 7–0 | Derrick Roddy | TKO | 2 (6), 2:14 | 1997-04-12 | Eurogress, Aachen, Nordrhein-Westfalen | |
| Win | 6–0 | Calvin Jones | KO | 1 (6), 2:58 | 1997-03-08 | Sartory Saale, Cologne, Nordrhein-Westfalen | |
| Win | 5–0 | Troy Roberts | TKO | 2 (6), 1:14 | 1997-02-22 | Sporthalle, Wandsbek, Hamburg | |
| Win | 4–0 | Mike Acklie | KO | 1 (6), 0:32 | 1997-01-25 | Maritim Hotel, Stuttgart, Baden-Württemberg | |
| Win | 3–0 | Brian Sargent | TKO | 2 (6), 1:08 | 1996-12-21 | Zoo-Gesellschaftshaus, Frankfurt, Hessen | |
| Win | 2–0 | Frantisek Sumina | TKO | 1 (4), 1:12 | 1996-11-30 | Nova Arena, Wiener Neustadt, Niederösterreich | |
| Win | 1–0 | Tony Bradham | KO | 2 (4), 1:14 | 1996-11-16 | Sporthalle, Wandsbek, Hamburg | Professional debut. |