WBO Heavyweight Rankings Archive | April 2006

Rank	WBOApril 2006
	Siarhei LiakhovichNEW World Champion
1	Wladimir Klitschko
2	Luan Krasniqi+1
3	Sultan Ibragimov+1
4	Ruslan Chagaev+2
5	James Toney-3
6	Shannon Briggs+2
7	Lamon Brewster-7
8	Samuel Peter-3
9	Calvin Brock-2
10	Danny Williams
11	Alexander Dimitrenko
12	Tony Thompson+2
13	Matt SkeltonNEW
14	David Tua-2
15	Miguel Mollo

Source

April 2006 archive

Box-Rank presents each published list in a consistent format. Browse this division and its archive, read the methodology, or see how Box-Rank differs from BoxRec.

Month-over-month changes since March 2006

There is a new Champion: Siarhei Liakhovich(previously Lamon Brewster)

Became champion: 1 April 2006

Won the WBO heavyweight title on 1 April 2006, ending Lamon Brewster's reign.

First shown in April 2006 rankingsView source

Dropped out of the top 10

Vladimir VirchisOut of the top 10 after being #9

Biggest risers

Ruslan ChagaevClimbed from #6 to #4
+2
Shannon BriggsNow ranked #6 (was #8)
+2
Tony ThompsonNow ranked #12 (was #14)
+2

Biggest fallers

James ToneyDown 3 places to #5
-3
Samuel PeterDropped from #5 to #8
-3
Calvin BrockFrom #7 to #9
-2

WBO Heavyweight Title History

Champions who have held each belt, from oldest to most recent. Title history only goes back as far as our earliest WBO monthly rankings (May 1989).

WBO Heavyweight - Super Champion

Oleksandr Usyk

25 September 202117 November 2025

4 years 3 months

Became champion: 25 September 2021

Won the WBO heavyweight title on 25 September 2021, ending Anthony Joshua's reign, and the October 2021 WBO rankings listed him as Super Champion.

First shown in July 2022 rankingsView source

Anthony Joshua

2 August 20181 June 2019

11 months

Became champion: 2 August 2018

Elevated to WBO heavyweight Super Champion, reported on 2 August 2018.

First shown in November 2018 rankingsView source

Wladimir Klitschko

13 March 200828 November 2015

7 years 9 months

Became champion: 13 March 2008

Awarded WBO heavyweight Super Champion status on 13 March 2008.

First shown in July 2008 rankingsView source

WBO Heavyweight - World Champion

Daniel Dubois

9 May 2026Current

6 months

Became champion: 9 May 2026

Won the title by stopping Fabio Wardley in the eleventh round.

First shown in May 2026 rankingsView source

Fabio Wardley

21 November 20259 May 2026

7 months

Became champion: 21 November 2025

Elevated from Interim Champion by the WBO following Oleksandr Usyk's relinquishment of the title.

First shown in November 2025 rankingsView source

Anthony Joshua

7 December 201925 September 2021

1 year 10 months

Became champion: 7 December 2019

Won the WBO heavyweight title on 7 December 2019, ending Andy Ruiz's reign.

First shown in December 2019 rankingsView source

Andy Ruiz

1 June 20197 December 2019

7 months

Became champion: 1 June 2019

Won the WBO heavyweight title on 1 June 2019, ending Anthony Joshua's reign.

First shown in June 2019 rankingsView source

Anthony Joshua

31 March 20182 August 2018

6 months

Became champion: 31 March 2018

Won the WBO heavyweight title on 31 March 2018, ending Joseph Parker's reign.

First shown in April 2018 rankingsView source

Joseph Parker

10 December 201631 March 2018

1 year 4 months

Became champion: 10 December 2016

Won the vacant WBO heavyweight title on 10 December 2016 by defeating Andy Ruiz.

First shown in December 2016 rankingsView source

Tyson Fury

28 November 201512 October 2016

1 year

Became champion: 28 November 2015

Won the WBO heavyweight title on 28 November 2015, ending Wladimir Klitschko's reign.

First shown in December 2015 rankingsView source

Wladimir Klitschko

23 February 200813 March 2008

2 months

Became champion: 23 February 2008

Won the WBO heavyweight title on 23 February 2008, ending Sultan Ibragimov's reign.

First shown in March 2008 rankingsView source

Sultan Ibragimov

2 June 200723 February 2008

9 months

Became champion: 2 June 2007

Won the WBO heavyweight title on 2 June 2007, ending Shannon Briggs's reign.

First shown in June 2007 rankingsView source

Shannon Briggs

4 November 20062 June 2007

8 months

Became champion: 4 November 2006

Won the WBO heavyweight title on 4 November 2006, ending Siarhei Liakhovich's reign.

First shown in November 2006 rankingsView source

Siarhei Liakhovich

1 April 20064 November 2006

8 months

Became champion: 1 April 2006

Won the WBO heavyweight title on 1 April 2006, ending Lamon Brewster's reign.

First shown in April 2006 rankingsView source

Lamon Brewster

10 April 20041 April 2006

2 years 1 month

Became champion: 10 April 2004

Won the vacant WBO heavyweight title on 10 April 2004 by defeating Wladimir Klitschko.

First shown in April 2004 rankingsView source

Corrie Sanders

8 March 20037 October 2003

8 months

Became champion: 8 March 2003

Won the WBO heavyweight title on 8 March 2003, ending Wladimir Klitschko's reign.

First shown in March 2003 rankingsView source

Wladimir Klitschko

14 October 20008 March 2003

2 years 6 months

Became champion: 14 October 2000

Won the WBO heavyweight title on 14 October 2000, ending Chris Byrd's reign.

First shown in October 2000 rankingsView source

Chris Byrd

1 April 200014 October 2000

7 months

Became champion: 1 April 2000

Won the WBO heavyweight title on 1 April 2000, ending Vitali Klitschko's reign.

First shown in April 2000 rankingsView source

Vitali Klitschko

26 June 19991 April 2000

11 months

Became champion: 26 June 1999

Won the WBO heavyweight title on 26 June 1999, ending Herbie Hide's reign.

First shown in January 2000 rankingsView source

Herbie Hide

28 June 1997June 1999

2 years 1 month

Became champion: 28 June 1997

Won the vacant title by defeating Tony Tucker.

First shown in rankingsView source

Henry Akinwande

29 June 1996January 1997

8 months

Became champion: 29 June 1996

Won the vacant title by defeating Jeremy Williams.

First shown in rankingsView source

Riddick Bowe

11 March 1995May 1996

1 year 3 months

Became champion: 11 March 1995

Won the title by defeating Herbie Hide.

First shown in rankingsView source

Herbie Hide

19 March 1994March 1995

1 year 1 month

Became champion: 19 March 1994

Won the title by defeating Michael Bentt.

First shown in rankingsView source

Michael Bentt

29 October 1993March 1994

6 months

Became champion: 29 October 1993

Won the title by defeating Tommy Morrison.

First shown in rankingsView source

Tommy Morrison

7 June 1993October 1993

5 months

Became champion: 7 June 1993

Won the vacant title by defeating George Foreman.

First shown in rankingsView source

Michael Moorer

15 May 1992February 1993

10 months

Became champion: 15 May 1992

Won the vacant title by defeating Bert Cooper.

First shown in rankingsView source

Ray Mercer

11 January 1991December 1991

1 year

Became champion: 11 January 1991

Won the title by defeating Francesco Damiani.

First shown in rankingsView source

Francesco Damiani

6 May 1989January 1991

1 year 9 months

Became champion: 6 May 1989

Won the title by defeating Johnny du Plooy.

First shown in rankingsView source

WBO Heavyweight - Interim Champion

Joseph Parker

8 March 202425 October 2025

1 year 8 months

Became champion: 8 March 2024

Won the interim title by majority decision over Zhilei Zhang in Riyadh.

First shown in March 2024 rankingsView source

Zhilei Zhang

15 April 20238 March 2024

1 year

Became champion: 15 April 2023

Won the interim title by stopping Joe Joyce in the sixth round.

First shown in April 2023 rankingsView source

Joe Joyce

24 September 202215 April 2023

8 months

Became champion: 24 September 2022

Won the vacant interim title by stopping Joseph Parker in the 11th round.

First shown in October 2022 rankingsView source

WBO Heavyweight Title History

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WBO Heavyweight boxing rankings- April 2006

Month-over-month changes since March 2006

Dropped out of the top 10

Biggest risers

Biggest fallers

WBO Heavyweight Title History

WBO Heavyweight - Super Champion

WBO Heavyweight - World Champion

WBO Heavyweight - Interim Champion

WBO Heavyweight Title History

WBO Heavyweight Title History

WBO Heavyweight - Super Champion

WBO Heavyweight - World Champion

WBO Heavyweight - Interim Champion