IBF Heavyweight Rankings Archive | May 2006

Note: IBF archival data from this period duplicates the champion as Rank #1. Rankings shown here reflect the original contender order.

Rank	IBFMay 2006
	Wladimir KlitschkoNEW World Champion
1	Vacant
2	Ray Austin+1
3	Calvin Brock+1
4	Samuel Peter+1
5	Sultan Ibragimov+1
6	Vacant
7	Vacant
8	James ToneyNEW
9	Lamon BrewsterNEW
10	Davarryl Williamson-2
11	Luan Krasniqi-2
12	Shannon Briggs-1
13	Monte Barrett-3
14	Paolo Vidoz-2

Source

May 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 April 2006

There is a new Champion: Wladimir Klitschko

Became champion: 22 April 2006

Won the IBF heavyweight title on 22 April 2006, ending Chris Byrd's reign.

First shown in May 2006 rankingsView source

Entered the top 10

James ToneyEnters at #8
Lamon BrewsterInto the top 10 at #9

Dropped out of the top 10

Luan KrasniqiDropped to #11
Monte BarrettDown to #13

Biggest risers

Ray AustinUp one spot to #2
+1
Calvin BrockUp one spot to #3
+1
Samuel PeterUp one spot to #4
+1

Biggest fallers

Monte BarrettDropped from #10 to #13
-3
Davarryl WilliamsonFrom #8 to #10
-2
Luan KrasniqiDown to #11 from #9
-2

IBF Heavyweight Title History

Champions who have held each belt, from oldest to most recent. Title history only goes back as far as our earliest IBF monthly rankings (December 1983).

IBF Heavyweight - World Champion

Filip Hrgovic

29 August 2026Current

3 months

Became champion: 29 August 2026

Won the vacant title by stopping Moses Itauma in the ninth round in London.

First shown in August 2026 rankingsView source

Oleksandr Usyk

19 July 202526 June 2026

1 year

Became champion: 19 July 2025

Won the IBF title by knocking out Daniel Dubois in the fifth round at Wembley Stadium, and kept the WBA, WBC and WBO titles.

First shown in July 2025 rankingsView source

Daniel Dubois

26 June 202419 July 2025

1 year 2 months

Became champion: 26 June 2024

Recognized as IBF champion after Oleksandr Usyk relinquished the title, having previously held it on an interim basis.

First shown in June 2024 rankingsView source

Oleksandr Usyk

25 September 202126 June 2024

2 years 10 months

Became champion: 25 September 2021

Won the IBF heavyweight title on 25 September 2021, ending Anthony Joshua's reign.

First shown in September 2021 rankingsView source

Anthony Joshua

7 December 201925 September 2021

1 year 10 months

Became champion: 7 December 2019

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

First shown in June 2019 rankingsView source

Anthony Joshua

9 April 2016April 2019

3 years 1 month

Became champion: 9 April 2016

Won the IBF heavyweight title on 9 April 2016, ending Charles Martin's reign.

First shown in April 2016 rankingsView source

Charles Martin

16 January 2016February 2016

2 months

Became champion: 16 January 2016

Won the vacant IBF heavyweight title on 16 January 2016 by defeating Vyacheslav Glazkov.

First shown in January 2016 rankingsView source

Tyson Fury

28 November 20158 December 2015

2 months

Became champion: 28 November 2015

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

First shown in November 2015 rankingsView source

Wladimir Klitschko

22 April 200628 November 2015

9 years 8 months

Became champion: 22 April 2006

Won the IBF heavyweight title on 22 April 2006, ending Chris Byrd's reign.

First shown in May 2006 rankingsView source

Chris Byrd

14 December 2002February 2006

3 years 3 months

Became champion: 14 December 2002

Won the vacant title by defeating Evander Holyfield.

First shown in rankingsView source

Lennox Lewis

17 November 2001September 2002

11 months

Became champion: 17 November 2001

Won the title by defeating Hasim Rahman.

First shown in rankingsView source

Hasim Rahman

22 April 2001November 2001

8 months

Became champion: 22 April 2001

Won the title by defeating Lennox Lewis.

First shown in rankingsView source

Lennox Lewis

13 November 1999April 2001

1 year 6 months

Became champion: 13 November 1999

Won the title by defeating Evander Holyfield.

First shown in rankingsView source

Evander Holyfield

8 November 1997November 1999

2 years 1 month

Became champion: 8 November 1997

Won the title by defeating Michael Moorer.

First shown in rankingsView source

Michael Moorer

22 June 1996November 1997

1 year 6 months

Became champion: 22 June 1996

Won the vacant title by defeating Axel Schulz.

First shown in rankingsView source

George Foreman

5 November 1994June 1995

8 months

Became champion: 5 November 1994

Won the title by defeating Michael Moorer.

First shown in rankingsView source

Michael Moorer

22 April 1994November 1994

8 months

Became champion: 22 April 1994

Won the title by defeating Evander Holyfield.

First shown in rankingsView source

Evander Holyfield

6 November 1993April 1994

6 months

Became champion: 6 November 1993

Won the title by defeating Riddick Bowe.

First shown in rankingsView source

Riddick Bowe

13 November 1992November 1993

1 year 1 month

Became champion: 13 November 1992

Won the title by defeating Evander Holyfield.

First shown in rankingsView source

Evander Holyfield

25 October 1990November 1992

2 years 2 months

Became champion: 25 October 1990

Won the title by defeating Buster Douglas.

First shown in rankingsView source

James Douglas

11 February 1990October 1990

9 months

Became champion: 11 February 1990

Won the title by defeating Mike Tyson.

First shown in rankingsView source

Mike Tyson

1 August 1987February 1990

2 years 7 months

Became champion: 1 August 1987

Won the title by defeating Tony Tucker.

First shown in rankingsView source

Tony Tucker

30 May 1987August 1987

4 months

Became champion: 30 May 1987

Won the vacant title by defeating Buster Douglas.

First shown in rankingsView source

Michael Spinks

21 September 1985February 1987

1 year 6 months

Became champion: 21 September 1985

Won the title by defeating Larry Holmes.

First shown in rankingsView source

Larry Holmes

11 December 1983September 1985

1 year 10 months

Became champion: 11 December 1983

First shown in rankingsView source

IBF Heavyweight - Interim Champion

Daniel Dubois

1 June 202426 June 2024

1 month

Became champion: 1 June 2024

Won the vacant interim title by defeating Filip Hrgovic.

First shown in June 2024 rankingsView source

IBF Heavyweight Title History

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IBF Heavyweight boxing rankings- May 2006

Month-over-month changes since April 2006

Entered the top 10

Dropped out of the top 10

Biggest risers

Biggest fallers

IBF Heavyweight Title History

IBF Heavyweight - World Champion

IBF Heavyweight - Interim Champion

IBF Heavyweight Title History

IBF Heavyweight Title History

IBF Heavyweight - World Champion

IBF Heavyweight - Interim Champion