WBO flyweight world title
Covers world title bouts since 1989. Current champion: Anthony Olascuaga, since 20th Jul 2024.
- World title bouts
- 83
- Champions
- 21
- Longest reign (Omar Narvaez, 2002–2010)
- 7 years, 9 months
- Most successful defences in one reign (Omar Narvaez, 2002–2010)
- 15
Current champion
World title bout
Reigns by length
- 1Omar NarvaezWBO2002–20107 years, 9 months · 15 successful defences
- 2Juan Francisco EstradaWBO2013–20163 years, 5 months · 5 successful defences
- 3Anthony OlascuagaWBO2024–present2 years, 3 months · 6 successful defences
- 4Junto NakataniWBO2020–20221 year, 11 months · 2 successful defences
- 5Alberto JimenezWBO1995–19961 year, 10 months · 4 successful defences
- 6Jacob MatlalaWBO1993–19951 year, 8 months · 3 successful defences
- 7Brian ViloriaWBO2011–20131 year, 8 months · 3 successful defences
- 8Carlos SalazarWBO1996–19981 year, 8 months · 4 successful defences
- 9Isidro PerezWBO1990–19921 year, 7 months · 2 successful defences
- 10Kosei TanakaWBO2018–20201 year, 4 months · 3 successful defences
- 11Pat ClintonWBO1992–19931 year, 1 month · 1 successful defence
- 12Sho KimuraWBO2017–20181 year, 1 month · 2 successful defences
- 13Julio Cesar MirandaWBO2010–20111 year, 1 month · 3 successful defences
- 14Elvis AlvarezWBO1989–199011 months · 0 successful defences
- 15Isidro GarciaWBO1999–200011 months · 1 successful defence
- 16Jesse RodriguezWBO2023–202411 months · 1 successful defence
- 17Fernando MontielWBO2000–20019 months · 3 successful defences
- 18Shiming ZouWBO2016–20178 months · 0 successful defences
- 19Ruben Sanchez LeonWBO1998–19998 months · 1 successful defence
- 20Jose Antonio Lopez BuenoWBO1999–19993 months · 1 successful defence
- 21Adonis RivasWBO2002–20022 months · 0 successful defences
Timeline of world title events
1989
Elvis Alvarez beats Miguel Mercedes via unanimous decision 12/12
Flyweight · WBONew champion
1990
Elvis Alvarez’s reign as the WBO flyweight world champion ends
Flyweight · WBO
Isidro Perez beats Angel Rosario via knockout 12/12
Flyweight · WBONew champion
Isidro Perez beats Alli Galvez via unanimous decision 12/12
Flyweight · WBO
1991
Isidro Perez beats Alli Galvez via split decision 12/12
Flyweight · WBO
1992
Pat Clinton beats Isidro Perez via split decision 12/12
Flyweight · WBONew champion
Pat Clinton beats Danny Porter via unanimous decision 12/12
Flyweight · WBO
1993
Jacob Matlala beats Pat Clinton via knockout 8/12
Flyweight · WBONew champion
Jacob Matlala beats Luigi Camputaro via corner retirement 7/12
Flyweight · WBO
1994
Jacob Matlala beats Francis Ampofo via corner retirement 9/12
Flyweight · WBO
Jacob Matlala beats Pretty Boy Lucas via unanimous decision 12/12
Flyweight · WBO
1995
Alberto Jimenez beats Jacob Matlala via knockout 8/12
Flyweight · WBONew champion
Alberto Jimenez beats Robbie Regan via corner retirement 9/12
Flyweight · WBO
Alberto Jimenez beats Zolile Mbityi via knockout 2/12
Flyweight · WBO
1996
Alberto Jimenez beats Miguel Martinez via knockout 5/12
Flyweight · WBO
Alberto Jimenez beats Jose Lopez via unanimous decision 12/12
Flyweight · WBO
Alberto Jimenez and Carlos Salazar draw via split decision 12/12
Flyweight · WBO
Carlos Salazar beats Alberto Jimenez via knockout 10/12
Flyweight · WBONew champion
1997
Carlos Salazar and Antonio Ruiz draw via majority decision 12/12
Flyweight · WBO
Carlos Salazar beats Antonio Ruiz via unanimous decision 12/12
Flyweight · WBO
Carlos Salazar beats Salvatore Fanni via unanimous decision 12/12
Flyweight · WBO
Carlos Salazar beats Everardo Morales via unanimous decision 12/12
Flyweight · WBO
1998
Carlos Salazar beats Jose Lopez via split decision 12/12
Flyweight · WBO
Ruben Sanchez Leon beats Carlos Salazar via technical decision 8/12
Flyweight · WBONew champion
Ruben Sanchez Leon beats Salvatore Fanni via unanimous decision 12/12
Flyweight · WBO
1999
Jose Antonio Lopez Bueno beats Ruben Sanchez Leon via knockout 3/12
Flyweight · WBONew champion
Jose Antonio Lopez Bueno beats Igor Gerasimov via knockout 7/12
Flyweight · WBO
Jose Antonio Lopez Bueno’s reign as the WBO flyweight world champion ends
Flyweight · WBO
Isidro Garcia beats Jose Lopez via unanimous decision 12/12
Flyweight · WBONew champion
2000
Isidro Garcia beats Jose Rafael Sosa via knockout 6/12
Flyweight · WBO
Fernando Montiel beats Isidro Garcia via knockout 7/12
Flyweight · WBONew champion
2001
Fernando Montiel beats Zoltan Lunka via knockout 7/12
Flyweight · WBO
Fernando Montiel beats Juan Domingo Cordoba via knockout 1/12
Flyweight · WBO
Fernando Montiel beats Jose Lopez via unanimous decision 12/12
Flyweight · WBO
Fernando Montiel’s reign as the WBO flyweight world champion ends
Flyweight · WBO
2002
Adonis Rivas becomes the WBO flyweight world champion
Flyweight · WBONew champion
Omar Narvaez beats Adonis Rivas via unanimous decision 12/12
Flyweight · WBONew champion
Omar Narvaez beats Luis Alberto Lazarte via disqualification 10/12
Flyweight · WBO
Omar Narvaez beats Andrea Sarritzu via split decision 12/12
Flyweight · WBO
2003
Omar Narvaez beats Everardo Morales via knockout 5/12
Flyweight · WBO
Omar Narvaez and Andrea Sarritzu draw via split decision 12/12
Flyweight · WBO
Omar Narvaez beats Alexander Makhmutov via corner retirement 10/12
Flyweight · WBO
2004
Omar Narvaez beats Reginaldo Martins Carvalho via knockout 3/12
Flyweight · WBO
2005
Omar Narvaez beats Bernard Inom via knockout 11/12
Flyweight · WBO
2006
Omar Narvaez beats Rexon Flores via unanimous decision 12/12
Flyweight · WBO
Omar Narvaez beats Walberto Ramos via unanimous decision 12/12
Flyweight · WBO
2007
Omar Narvaez beats Brahim Asloum via unanimous decision 12/12
Flyweight · WBO
Omar Narvaez beats Marlon Marquez via knockout 4/12
Flyweight · WBO
2008
Omar Narvaez beats Carlos Tamara via unanimous decision 12/12
Flyweight · WBO
Omar Narvaez beats Ivan Pozo via corner retirement 7/12
Flyweight · WBO
Omar Narvaez beats Alejandro Hernandez via unanimous decision 12/12
Flyweight · WBO
2009
Omar Narvaez beats Rayonta Whitfield via knockout 10/12
Flyweight · WBO
Omar Narvaez beats Omar Soto via knockout 11/12
Flyweight · WBO
2010
Omar Narvaez’s reign as the WBO flyweight world champion ends
Flyweight · WBO
Julio Cesar Miranda beats Richie Mepranum via knockout 5/12
Flyweight · WBONew champion
Julio Cesar Miranda beats Ronald Ramos via corner retirement 8/12
Flyweight · WBO
Julio Cesar Miranda beats Michael Arango via knockout 2/12
Flyweight · WBO
2011
Julio Cesar Miranda beats Ardin Diale via knockout 4/12
Flyweight · WBO
Brian Viloria beats Julio Cesar Miranda via unanimous decision 12/12
Flyweight · WBONew champion
Brian Viloria beats Giovani Segura via knockout 8/12
Flyweight · WBO
2012
Brian Viloria beats Omar Nino Romero via knockout 9/12
Flyweight · WBO
Brian Viloria beats Hernan Marquez via knockout 10/12
Flyweight · WBA Super and WBO
2013
Juan Francisco Estrada beats Brian Viloria via split decision 12/12
Flyweight · WBA Super and WBONew WBO champion
Juan Francisco Estrada beats Milan Melindo via unanimous decision 12/12
Flyweight · WBA Super and WBO
2014
Juan Francisco Estrada beats Richie Mepranum via corner retirement 9/12
Flyweight · WBA Super and WBO
Juan Francisco Estrada beats Giovani Segura via knockout 11/12
Flyweight · WBA Super and WBO
2015
Juan Francisco Estrada beats Rommel Asenjo via knockout 3/12
Flyweight · WBA Super and WBO
Juan Francisco Estrada beats Hernan Marquez via knockout 10/12
Flyweight · WBA Super and WBO
2016
Juan Francisco Estrada’s reign as the WBO flyweight world champion ends
Flyweight · WBO
Shiming Zou beats Prasitsak Phaprom via unanimous decision 12/12
Flyweight · WBONew champion
2017
Sho Kimura beats Shiming Zou via knockout 11/12
Flyweight · WBONew champion
Sho Kimura beats Toshiyuki Igarashi via knockout 9/12
Flyweight · WBO
2018
Sho Kimura beats Froilan Saludar via knockout 6/12
Flyweight · WBO
Kosei Tanaka beats Sho Kimura via majority decision 12/12
Flyweight · WBONew champion
2019
Kosei Tanaka beats Ryoichi Taguchi via unanimous decision 12/12
Flyweight · WBO
Kosei Tanaka beats Jonathan Gonzalez via knockout 7/12
Flyweight · WBO
Kosei Tanaka beats Wulan Tuolehazi via knockout 3/12
Flyweight · WBO
2020
Kosei Tanaka’s reign as the WBO flyweight world champion ends
Flyweight · WBO
Junto Nakatani beats Giemel Magramo via knockout 8/12
Flyweight · WBONew champion
2021
Junto Nakatani beats Angel Acosta via knockout 4/12
Flyweight · WBO
2022
Junto Nakatani beats Ryota Yamauchi via technical knockout 8/12
Flyweight · WBO
Junto Nakatani’s reign as the WBO flyweight world champion ends
Flyweight · WBO
2023
Jesse Rodriguez beats Cristian Gonzalez Hernandez via unanimous decision 12/12
Flyweight · WBONew champion
Jesse Rodriguez beats Sunny Edwards via corner retirement 9/12
Flyweight · IBF and WBO
2024
Jesse Rodriguez’s reign as the WBO flyweight world champion ends
Flyweight · WBO
Anthony Olascuaga beats Riku Kano via knockout 3/12
Flyweight · WBONew champion
Anthony Olascuaga beats Jonathan Gonzalez via technical knockout 1/12
Flyweight · WBO
2025
Anthony Olascuaga beats Hiroto Kyoguchi via unanimous decision 12/12
Flyweight · WBO
Anthony Olascuaga beats Juan Carlos Camacho via technical knockout 2/12
Flyweight · WBO
Source: The Underdog live results: Anthony Olascuaga stops Juan Carlos Camacho – Video(opens in a new tab), Fight Mag, Parviz Iskenderov,
Anthony Olascuaga beats Taku Kuwahara via technical knockout 4/12
Flyweight · WBO
Source: Olascuaga Stops Kuwahara In 4 To Retain WBO Crown(opens in a new tab), Boxing Only,
2026
Anthony Olascuaga beats Jukiya Iimura via technical knockout 9/12
Flyweight · WBO
Source: March 2026(opens in a new tab), World Boxing Organization
Anthony Olascuaga beats Yuberjen Martinez via unanimous decision 12/12
Flyweight · WBO
Source: Anthony Olascuaga wins a 'war' against Yuberjen Martinez(opens in a new tab), BoxingScene, Jason Langendorf,