Kostya Tszyu
Super lightweight · Australia

Kostya Tszyu

31-2-0, 1 NC 25 KO · 1992–2005

Photo: Marina Lystseva, GFDL 1.2 via Wikimedia Commons

Kostya Tszyu was a super lightweight boxer from Australia, born Sep 19, 1969. Record 31-2-0, 1 NC with 25 knockouts over 1992–2005. World titles: IBF super lightweight (2001–2005), WBA super lightweight (2001–2002), WBC super lightweight (1999–2003), IBF super lightweight (1995–1997). Kostya Tszyu last fought Ricky Hatton on Jun 4, 2005 and lost by RTD in round 11 of 12.

Also: Константин Борисович Цзю · Константин Цзю · Костянтин Цзю
+17 moreקונסטנטין טזיו · كوستيا تسزيو · كونستانتىين بورىيسوۆىيتش تسزيۋ · کوستیا زو · コンスタンチン・チュー · 康斯坦汀·秋祖 · 考斯达·茨祖 · Konstantin "Kostya" Tszyu · Konstantin Borisovich Czyu · Konstantin Borisovich Tszyu · Konstantin Borisovitj Tszju · Konstantin Borissowitsch Zsju · Konstantin Cziu · Konstantin Tsziu · Konstantin Tszju · Konstantin Zsju · Konstantïn Borïsovïç Czyu
BornSep 19, 1969
Country🇦🇺 Australia, 🇷🇺 Russia
StanceOrthodox
Height170 cm
Reach170 cm
NicknameThunder from Down Under
DebutMar 1, 1992
Career1992–2005
Rounds boxed202
KO share81%
Born inSerov, Russian SFSR, Soviet Union
TitlesIBF, WBA, WBC super lightweight · 1995–2005
Boxerbook rating2308 ± 200 · inactive since Jun 2005Why here ›
Confirmed bouts14 of 34 · 3 official

Career record

Record
31-2-0, 1 NC, 25 KOs · 1992–2005

Last result

L
Ricky Hatton 🇺🇸
For IBF and The Ring light-welterweight titles
RTD 11/12 · MEN Arena, Manchester, 🇬🇧
2005-06-04 ›
✓✓ two sources

The record

34 bouts, 1992–2005, newest first. Records under each bout are both boxers going in.

Bouts by source: English Wikipedia · 34, Wikipedia (ru) · 34, Nevada State Athletic Commission — Results · 3, Wikipedia (ja) · 2

L
Ricky Hatton 🇺🇸
For IBF and The Ring light-welterweight titles
RTD 11/12 · MEN Arena, Manchester, 🇬🇧
Tszyu 31-1-0 · Hatton 39-0-0
2005-06-04 ›
✓✓ two sources
W
Sharmba Mitchell 🇺🇸
Retained IBF and The Ring light-welterweight titles
TKO 3/12 · Glendale Arena, Phoenix, 🇺🇸
Tszyu 30-1-0 · Mitchell 55-3-0
2004-11-06 ›
✓✓ two sources
W
Jesse James Leija 🇺🇸
For WBA, WBC, IBF, and The Ring light welterweight titles
RTD 6/12 · Telstra Dome, Melbourne, 🇦🇺
Tszyu 29-1-0 · Leija 43-5-2
2003-01-19 ›
✓✓ two sources
W
Ben Tackie 🇬🇭
Retained WBA, WBC, IBF, and The Ring light-welterweight titles
UD 12/12 · Mandalay Bay Hotel & Casino, Las Vegas, 🇺🇸
Tszyu 28-1-0 · Tackie 2-2-0
2002-05-18 ›
official ★
W
Zab Judah 🇺🇸
Won IBF light welterweight title
TKO 2/12 · MGM GRAND GARDEN ARENA, LAS VEGAS, 🇺🇸
Tszyu 27-1-0 · Judah 27-0-0
2001-11-03 ›
official ★
W
Oktay Urkal 🇩🇪
Retained WBA and WBC light-welterweight titles
UD 12/12 · Mohegan Sun Arena, Montville, 🇺🇸
Tszyu 26-1-0 · Urkal —
2001-06-23 ›
✓ one source
W
Sharmba Mitchell 🇺🇸
Retained WBC light-welterweight title
TKO 7/12 · Mandalay Bay Resort, Las Vegas, 🇺🇸
Tszyu 25-1-0 · Mitchell 47-2-0
2001-02-03 ›
official ★
W
Julio César Chávez 🇲🇽
Retained WBC light-welterweight title
TKO 6/12 · Veteran's Memorial Coliseum, Phoenix, Arizona, 🇺🇸
Tszyu 24-1-0 · Chávez 103-4-2
2000-07-29 ›
✓✓ two sources
W
Ahmed Santos 🇲🇽
Retained WBC light-welterweight title
TKO 8/12 · Mohegan Sun Arena, Montville, Connecticut, 🇺🇸
Tszyu 23-1-0 · Santos —
2000-02-12 ›
✓ one source
W
Miguel Ángel González 🇲🇽
Won vacant WBC light-welterweight title
TKO 10/12 · Miccosukee Resort & Gaming, Miami, Florida, 🇺🇸
Tszyu 22-1-0 · González 43-2-1
1999-08-21 ›
✓✓ two sources
W
Diosbelys Hurtado 🇨🇺
Won WBC interim light-welterweight title
TKO 5/12 · Fantasy Springs Resort Casino, Indio, California, 🇺🇸
Tszyu 21-1-0 · Hurtado 28-1-0
1998-11-28 ›
✓✓ two sources
W
Rafael Ruelas 🇺🇸
TKO 9/12 · County Coliseum, El Paso, Texas, 🇺🇸
Tszyu 20-1-0 · Ruelas 53-3-0
1998-08-15 ›
✓✓ two sources
W
Calvin Grove 🇺🇸
KO 1/10 · Entertainment Centre, Newcastle, 🇦🇺
Tszyu 19-1-0 · Grove —
1998-04-05 ›
✓ one source
W
Ismael Armando Chaves 🇦🇷
TKO 3/12 · Stockland Stadium, Townsville, 🇦🇺
Tszyu 18-1-0 · Chaves —
1997-12-06 ›
✓ one source
L
Vince Phillips 🇺🇸
Lost IBF light-welterweight title
TKO 10/12 · Etess Arena, Atlantic City, New Jersey, 🇺🇸
Tszyu 18-0-0 · Phillips 35-3-0
1997-05-31 ›
✓✓ two sources
NC
Leonardo Mas 🇵🇷
IBF light-welterweight title at stake
TD 1/12 · Thomas & Mack Center, Paradise, 🇺🇸
Tszyu 18-0-0 · Mas —
1997-01-18 ›
✓ one source
W
Jan Piet Bergman 🇿🇦
Retained IBF light-welterweight title
KO 6/12 · Entertainment Centre, Newcastle, 🇦🇺
Tszyu 17-0-0 · Bergman —
1996-09-14 ›
✓ one source
W
Corey Johnson 🇺🇸
Retained IBF light-welterweight title
KO 4/12 · Entertainment Centre, Sydney, 🇦🇺
Tszyu 16-0-0 · Johnson —
1996-05-24 ›
✓ one source
W
Hugo Pineda 🇨🇴
Retained IBF light-welterweight title
TKO 11/12 · Parramatta Stadium, Sydney, 🇦🇺
Tszyu 15-0-0 · Pineda —
1996-01-20 ›
✓ one source
W
Roger Mayweather 🇺🇸
Retained IBF light-welterweight title
UD 12/12 · Entertainment Centre, Newcastle, 🇦🇺
Tszyu 14-0-0 · Mayweather 54-11-0
1995-06-25 ›
✓✓ two sources
Show all 34 bouts
W
Jake Rodríguez 🇺🇸
Won IBF light-welterweight title
TKO 6/12 · MGM Grand Garden Arena, Paradise, Nevada, 🇺🇸
Tszyu 13-0-0 · Rodríguez —
1995-01-28 ›
✓ one source
W
Pedro Sanchez
TKO 4/10 · Flinders Park, Melbourne, 🇦🇺
Tszyu 12-0-0 · Sanchez —
1994-08-29 ›
✓ one source
W
Ángel Hernández 🇵🇷
RTD 7/10 · Entertainment Centre, Newcastle, 🇦🇺
Tszyu 11-0-0 · Hernández —
1994-05-02 ›
✓ one source
W
Héctor López 🇲🇽
UD 10/10 · Hyatt Regency, Tampa, Florida, 🇺🇸
Tszyu 10-0-0 · López —
1994-01-11 ›
✓ one source
W
Livingstone Bramble 🇰🇳
UD 10/10 · Newcastle, Newcastle, 🇦🇺
Tszyu 9-0-0 · Bramble 34-11-3
1993-08-23 ›
✓✓ two sources
W
Robert Rivera
KO 1/10 · Entertainment Centre, Newcastle, 🇦🇺
Tszyu 8-0-0 · Rivera —
1993-06-18 ›
✓ one source
W
Larry LaCoursiere 🇺🇸
TKO 1/10 · Entertainment Centre, Newcastle, 🇦🇺
Tszyu 7-0-0 · LaCoursiere —
1993-05-14 ›
✓ one source
W
Steve Larrimore 🇧🇸
TKO 2/10 · The Pyramid, Memphis, Tennessee, 🇺🇸
Tszyu 6-0-0 · Larrimore —
1993-01-30 ›
✓ one source
W
Sammy Fuentes 🇵🇷
TKO 1/10 · Festival Hall, Melbourne, 🇦🇺
Tszyu 5-0-0 · Fuentes 23-10-1
1992-11-13 ›
✓✓ two sources
W
Daniel Ricardo Cusato
TKO 7/10 · Sydney, Sydney, 🇦🇺
Tszyu 4-0-0 · Cusato —
1992-09-11 ›
✓ one source
W
Juan Laporte 🇺🇸
UD 10/10 · Convention and Exhibition Centre, Sydney, 🇦🇺
Tszyu 3-0-0 · Laporte —
1992-07-23 ›
✓ one source
W
Tony Jones 🇦🇺
TKO 2/10 · Convention and Exhibition Centre, Sydney, 🇦🇺
Tszyu 2-0-0 · Jones —
1992-05-07 ›
✓ one source
W
Nedrick Simmons
KO 1/8 · Sydney, Sydney, 🇦🇺
Tszyu 1-0-0 · Simmons —
1992-04-02 ›
✓ one source
W
Darrell Hiles 🇦🇺
TKO 1/8 · Princes Park, Melbourne, 🇦🇺
Tszyu 0-0-0 · Hiles —
1992-03-01 ›
✓ one source

Amateur career

🥇 World Championships 1991 light welterweight🥇 European Championships 1991 light welterweight🥇 European Championships 1989 lightweight🥉 World Championships 1989 lightweight

Amateur record 259–11 (Wikipedia)

1988 Summer Olympics – Men's lightweight

Round of 16LAndreas Zülow GDR2:3
Round of 32WSean Knight 🇧🇧RSC R1
Round of 64WLeopoldo Cantancio 🇵🇭KO R1

3 amateur bouts at major tournaments, from the tournament articles on English Wikipedia (CC BY-SA). Not part of the professional record.

Ratings now

Not in any current ranking.

World titles

IBFSuper lightweight
2001-11-03 – 2005-06-04
WBASuper lightweight
2001-02-03 – 2002-08-05
WBCSuper lightweight
1999-08-21 – 2003-10-09
IBFSuper lightweight
1995-01-28 – 1997-05-31

Facts

What is Kostya Tszyu's record?
Kostya Tszyu's professional record is 31-2-0, 1 NC with 25 knockouts.
Who did Kostya Tszyu fight last?
Kostya Tszyu last fought Ricky Hatton on Jun 4, 2005 and lost by RTD in round 11 of 12.
Which world titles has Kostya Tszyu held?
Kostya Tszyu has held 4 world title reigns: IBF super lightweight (2001–2005), WBA super lightweight (2001–2002), WBC super lightweight (1999–2003), IBF super lightweight (1995–1997).

Sources

Boxerbook ID 4627 · permanent link boxerbook.com/id/4627. Wikidata (CC0), English Wikipedia (CC BY-SA), photo from Wikimedia Commons. Last fetched: 2026-10-12. Spot a mistake? Every bout page has a link to report it.

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