Kostya Tszyu
- Born
- 1969
- Died
- —
- Nationality
- Russia / Australia
- Career
- 1992–2005
A precision puncher who unified the 140 lb division.
Titles & Honours
- Undisputed Light Welterweight Champion
Career Timeline
1992–2005- Milestone
First recorded professional bout
vs Darrell Hiles · W TKO
- Milestone
25th recorded win
vs Julio César Chávez · TKO. Newspaper decisions excluded.
- Signature fight
vs Julio César Chávez
W TKO · Veteran's Memorial Coliseum , Phoenix, Arizona , US. Archive selection: one of the first three wins over distinct fighters profiled here, not an expert-selected signature fight.
- Milestone
Latest recorded bout
vs Ricky Hatton · L RTD. Not necessarily the retirement date.
Title wins · dates not yet documented
Derived from the current archive and profile honours. Title-reign years are not exact bout dates; title claims are not independently verified. Signature fights use existing profile selections, or clearly labelled wins over other archived fighters when no selections exist. Year-only dates retain their original precision.
Photo Archive
No freely licensed photographs of Kostya Tszyu are available in this archive.
Fight-by-Fight Record
| Date | Result | Opponent | Method | Round | Venue |
|---|---|---|---|---|---|
| 1992-03-01 | W | Darrell Hiles | TKO | 1 | Princes Park , Melbourne , Australia |
| 1992-04-02 | W | Nedrick Simmons | KO | 1 | Sydney , Australia |
| 1992-05-07 | W | Tony Jones | TKO | 2 | Convention and Exhibition Centre , Sydney, Australia |
| 1992-07-23 | W | Juan Laporte | UD | 10 | Convention and Exhibition Centre, Sydney, Australia |
| 1992-09-11 | W | Daniel Ricardo Cusato | TKO | 7 | Sydney, Australia |
| 1992-11-13 | W | Sammy Fuentes | TKO | 1 | Festival Hall , Melbourne, Australia |
| 1993-01-30 | W | Steve Larrimore | TKO | 2 | The Pyramid , Memphis, Tennessee , US |
| 1993-05-14 | W | Larry LaCoursiere | TKO | 1 | Entertainment Centre , Newcastle , Australia |
| 1993-06-18 | W | Robert Rivera | KO | 1 | Entertainment Centre, Newcastle, Australia |
| 1993-08-23 | W | Livingstone Bramble | UD | 10 | Newcastle, Australia |
| 1994-01-11 | W | Hector Lopez | UD | 10 | Hyatt Regency, Tampa, Florida , US |
| 1994-05-02 | W | Angel Hernandez | RTD | 7 | Entertainment Centre, Newcastle, Australia |
| 1994-08-29 | W | Pedro Sanchez | TKO | 4 | Flinders Park , Melbourne, Australia |
| 1995-01-28 | W | Jake Rodríguez | TKO | 6 | MGM Grand Garden Arena , Paradise, Nevada , US |
| 1995-06-25 | W | Roger Mayweather | UD | 12 | Entertainment Centre, Newcastle, Australia |
| 1996-01-20 | W | Hugo Pineda | TKO | 11 | Parramatta Stadium , Sydney, Australia |
| 1996-05-24 | W | Corey Johnson | KO | 4 | Entertainment Centre , Sydney, Australia |
| 1996-09-14 | W | Jan Piet Bergman | KO | 6 | Entertainment Centre, Newcastle, Australia |
| 1997-05-31 | L | Vince Phillips | TKO | 10 | Etess Arena , Atlantic City, New Jersey , US |
| 1997-12-06 | W | Ismael Armando Chaves | TKO | 3 | Stockland Stadium , Townsville , Australia |
| 1998-04-05 | W | Calvin Grove | KO | 1 | Entertainment Centre, Newcastle, Australia |
| 1998-08-15 | W | Rafael Ruelas | TKO | 9 | County Coliseum , El Paso, Texas , US |
| 1998-11-28 | W | Diosbelys Hurtado | TKO | 5 | Fantasy Springs Resort Casino , Indio, California , US |
| 1999-08-21 | W | Miguel Angel Gonzalez | TKO | 10 | Miccosukee Resort & Gaming , Miami, Florida , US |
| 2000-02-12 | W | Ahmed Santos | TKO | 8 | Mohegan Sun Arena , Montville, Connecticut , US |
| 2000-07-29 | W | Julio César Chávez | TKO | 6 | Veteran's Memorial Coliseum , Phoenix, Arizona , US |
| 2001-02-03 | W | Sharmba Mitchell | RTD | 7 | Mandalay Bay Events Center , Paradise, Nevada, US |
| 2001-06-23 | W | Oktay Urkal | UD | 12 | Mohegan Sun Arena, Montville, Connecticut, US |
| 2001-11-03 | W | Zab Judah | TKO | 2 | MGM Grand Garden Arena, Paradise, Nevada, US |
| 2002-05-18 | W | Ben Tackie | UD | 12 | Mandalay Bay Events Center, Paradise, Nevada, US |
| 2003-01-19 | W | Jesse James Leija | RTD | 6 | Telstra Dome , Melbourne, Australia |
| 2004-11-06 | W | Sharmba Mitchell | TKO | 3 | Glendale Arena , Phoenix, Arizona, US |
| 2005-06-04 | L | Ricky Hatton | RTD | 11 | MEN Arena , Manchester , England |
Showing 33 of 33 recorded fights · last updated 2026-10-15. Imported record tables are not independently verified and may be incomplete. Early-era logs include newspaper decisions (NWS), which are not counted in the official totals above.
Record notes
Fight record last retrieved: 2026-10-11. Title histories remain subject to archival review.
Historical-era totals differ between record-keeping conventions (newspaper decisions, exhibitions).
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