Minimumweight title history

WBA

Takeshi Ishii

2 September 2026Reigning for 2 months

Won the vacant WBA minimumweight world title by knocking out Wilfredo Mendez in the first round in Yokohama.

Division

All recorded title changes121

Exact dates are shown where recorded. Month-only dates mark the first appearance in our ranking archive, not necessarily the date the title was won.

Minimumweight champions and recorded title changes
Date	Organisation	Champion	Title	Evidence
2 September 2026	WBA	Takeshi Ishii	World Champion	Won the vacant title by knocking out Wilfredo Mendez in the first round in Yokohama WBA source
16 May 2026	WBC	Siyakholwa Kuse	Champion	Won the title by defeating Melvin Jerusalem in their rematch at Emperors Palace in South Africa WBC source
14 September 2025	WBA	Ryusei Matsumoto	World Champion	Won the title by defeating Yuni Takada WBA source
16 November 2024	WBARING	Oscar Collazo	Super Champion, Champion	WBA source RING source
28 July 2024	IBF	Pedro Taduran	Champion	Regained the IBF title by stopping Ginjiro Shigeoka in the ninth round in Japan IBF source
31 March 2024	WBC	Melvin Jerusalem	Champion	Won the title WBC source
7 October 2023	IBF	Ginjiro Shigeoka	Champion	Won the title IBF source
7 October 2023	WBC	Yudai Shigeoka	Champion	WBC source
August 2023	IBF	Ginjiro Shigeoka	Interim Champion
June 2023	WBC	Yudai Shigeoka	Interim Champion
27 May 2023	WBO	Oscar Collazo	Champion	Won the title by stopping Melvin Jerusalem after seven rounds WBO source
6 January 2023	WBO	Melvin Jerusalem	Champion	Won the title WBO source
1 July 2022	IBF	Daniel Valladares	Champion	Won the title IBF source
21 December 2021	WBA	Erick Rosa	World Champion	Won the title WBA source
14 December 2021	WBO	Masataka Taniguchi	Champion	Won the title WBO source
27 February 2021	IBF	Rene Mark Cuarto	Champion	Won the title IBF source
20 February 2021	WBA	Vic Saludar	World Champion	Won the title by defeating Robert Paradero WBA source
27 November 2020	WBC	Panya Pradabsri	Champion	WBC source
February 2020	WBA	Thammanoon Niyomtrong	Super Champion
7 September 2019	IBF	Pedro Taduran	Champion	Won the title by defeating Samuel Salva IBF source
24 August 2019	WBO	Wilfredo Mendez	Champion	Won the title WBO source
16 February 2019	IBF	DeeJay Kriel	Champion	Won the title IBF source
1 December 2018	IBF	Carlos Licona	Champion	Won the title by defeating Mark Anthony Barriga IBF source
13 July 2018	WBO	Vic Saludar	Champion	Won the title WBO source
27 August 2017	WBO	Ryuya Yamanaka	Champion	Won the title WBO source
23 July 2017	IBF	Hiroto Kyoguchi	Champion	Won the title IBF source
14 April 2017	WBO	Tatsuya Fukuhara	Interim Champion	Promoted to this title WBO source
April 2017	WBO	Tatsuya Fukuhara	Champion
20 August 2016	WBO	Katsunari Takayama	Champion	Won the title by defeating Riku Kano WBO source
June 2016	WBA	Thammanoon Niyomtrong	World Champion
19 March 2016	WBA	Byron Rojas	World Champion	Won the title WBA source
31 December 2015	IBF	Jose Argumedo	Champion	Won the title IBF source
30 May 2015	WBO	Kosei Tanaka	Champion	Won the title by defeating Julian Yedras WBO source
31 December 2014	IBFWBO	Katsunari Takayama	Champion	IBF source WBO source
6 November 2014	WBC	Wanheng Menayothin	Champion	WBC source
9 August 2014	IBF	Francisco Rodriguez Jr	Champion	Won the title IBF source
22 March 2014	WBO	Francisco Rodriguez Jr	Champion	Won the title WBO source
1 March 2014	WBA	Hekkie Budler	Super Champion	Won the title by defeating Karluis Diaz WBA source
5 February 2014	WBC	Oswaldo Novoa	Champion	WBC source
5 February 2014	WBC	Osvaldo Novoa	Champion	Won the title WBC source
19 April 2013	WBO	Merlito Sabillo	Interim Champion	Promoted to this title WBO source
April 2013	WBO	Merlito Sabillo	Champion
30 March 2013	IBF	Katsunari Takayama	Champion	Won the title IBF source
March 2013	WBC	Xiong Zhao Zhong	Champion
31 December 2012	WBA	Ryo Miyazaki	World Champion	Won the title by defeating Pornsawan Porpramook WBA source
24 November 2012	WBC	Xiong Chaozhong	Champion	WBC source
1 September 2012	IBF	Mario Rodriguez	Champion	Won the title IBF source
24 June 2012	WBA	Kazuto Ioka	World Champion	Won the title WBA source
24 October 2011	WBA	Akira Yaegashi	World Champion	Won the title WBA source
27 August 2011	WBO	Moises Fuentes	Champion	Won the title WBO source
30 July 2011	WBA	Pornsawan Porpramook	World Champion	Won the title WBA source
May 2011	WBA	Juan Palacios	Interim Champion
April 2011	WBA	Muhammad Rochim	World Champion
March 2011	WBO	Raul Garcia	Champion
11 February 2011	WBC	Kazuto Ioka	Champion	WBC source
November 2010	WBO	Raul Garcia	Interim Champion
October 2010	WBA	Ekkawit Songnui	World Champion
October 2010	WBA	Sammy Guti	Interim Champion
August 2010	WBC	Oleydong Sithsanerchai	Champion
26 March 2010	IBF	Nkosinathi Joyi	Champion	Won the title IBF source
March 2009	WBC	Juan Palacios	Champion
January 2009	WBO	Manuel Vargas	Interim Champion
October 2008	WBO	Daniel Reyes	Interim Champion
15 September 2008	WBA	Roman Gonzalez	World Champion	Won the title WBA source
August 2008	WBC	Oleydong Sithsanerchai	Champion
14 June 2008	IBF	Raul Garcia	Champion	Won the title IBF source
29 November 2007	WBC	Oleydong Sithsamerchai	Champion	WBC source
30 September 2007	WBO	Donnie Nietes	Champion	Won the title by defeating Pornsawan Porpramook WBO source
7 July 2007	IBF	Florante Condes	Champion	Won the title IBF source
October 2006	WBA	Katsunari Takayama	Interim Champion
6 August 2005	WBC	Eagle Den Junlaphan	Champion	WBC source
4 April 2005	WBC	Katsunari Takayama	Champion	WBC source
18 December 2004	WBC	Isaac Bustos	Champion	WBC source
14 September 2004	IBF	Muhammad Rachman	Champion	Won the title IBF source
3 July 2004	WBA	Yutaka Niida	World Champion	Won the title by defeating Noel Arambulet WBA source
June 2004	WBA	Juan Landaeta	Interim Champion
10 January 2004	WBC	Eagle Den Junlaphan	Champion	WBC source
4 October 2003	IBF	Daniel Reyes	Champion	IBF source
31 May 2003	IBF	Edgar Cardenas	Champion	IBF source
3 May 2003	WBO	Ivan Calderon	Champion, Super Champion	WBO source
28 March 2003	WBO	Eduardo Marquez	Champion	Won the title WBO source
December 2002	WBO	Jorge Mata Ferradal	Champion
9 August 2002	IBF	Miguel Barrera	Champion	IBF source
29 July 2002	WBA	Noel Alfonso Arambulet	World Champion	Won the title WBA source
29 July 2002	WBA	Noel Arambulet	Champion	WBA source
29 January 2002	WBA	Keitaro Hoshino	World Champion	Won the title by defeating Joma Gamboa WBA source
25 August 2001	WBA	Yutaka Niida	World Champion	Won the title WBA source
29 April 2001	IBF	Roberto Carlos Leyva	Champion	Won the vacant title by defeating Daniel Reyes IBF source
16 April 2001	WBA	Chana Porpaoin	World Champion	Won the title WBA source
6 December 2000	WBA	Keitaro Hoshino	World Champion	Won the title WBA source
20 August 2000	WBA	Joma Gamboa	World Champion	Won the title by defeating Noel Arambulet WBA source
11 February 2000	WBC	Jose Antonio Aguirre	Champion	WBC source
9 October 1999	WBA	Noel Alfonso Arambulet	World Champion	Won the title by defeating Joma Gamboa WBA source
9 October 1999	WBA	Noel Arambulet	Champion	WBA source
28 September 1999	WBC	Wandee Singwangcha	Champion	Won the vacant title WBC source
13 November 1998	WBA	Ricardo Lopez	Champion	Won the vacant title by defeating Rosendo Álvarez WBA source
30 May 1998	WBO	Kermin Guardia	Champion	Won the title WBO source
27 December 1997	IBF	Zolani Petelo	Champion	IBF source
19 December 1997	WBO	Eric Jamili	Champion	Won the vacant title by defeating Mickey Cantwell WBO source
23 August 1997	WBO	Ricardo Lopez	Champion	WBO source
18 May 1996	IBF	Ratanapol Sor Vorapin	Champion	Won the vacant title by defeating Jun Arlos IBF source
2 December 1995	WBA	Rosendo Alvarez	Champion	WBA source
22 December 1993	WBO	Alex Sanchez	Champion	Won the vacant title by defeating Orlando Malone WBO source
15 May 1993	WBO	Paul Weir	Champion	Won the vacant title by defeating Fernando Martínez WBO source
10 February 1993	WBA	Chana Porpaoin	Champion	WBA source
10 December 1992	IBF	Ratanapol Sor Vorapin	Champion	IBF source
14 October 1992	WBA	Hideyuki Ohashi	Champion	WBA source
6 September 1992	IBF	Manny Melchor	Champion	IBF source
2 February 1991	WBA	Choi Hi Yong	Champion	WBA source
25 October 1990	WBC	Ricardo Lopez	Champion	WBC source
22 February 1990	IBF	Fahlan Sakkreerin	Champion	IBF source
7 February 1990	WBC	Hideyuki Ohashi	Champion	WBC source
12 November 1989	WBC	Choi Jum Hwan	Champion	WBC source
21 September 1989	IBF	Eric Chavez	Champion	IBF source
17 June 1989	IBF	Nico Thomas	Champion	IBF source
16 April 1989	WBA	Kim Bong Jun	Champion	Won the vacant title by defeating Agustín García WBA source
13 November 1988	WBC	Napa Kiatwanchai	Champion	WBC source
24 March 1988	IBF	Samuth Sithnaruepol	Champion	Won the vacant title by defeating Domingo Lucas IBF source
10 January 1988	WBA	Leo Gamez	Champion	Won the title by defeating Kim Bong-Jun WBA source
18 October 1987	WBC	Hiroki Ioka	Champion	Won the title by defeating Mai Thomburifarm WBC source
14 June 1987	IBF	Kyung Yung Lee	Champion	Won the title by defeating Masaharu Kawakami IBF source