👑 3-Division World Champion

John Riel “Quadro Alas” Casimero

📍 Place of Birth: Ormoc City, Philippines

36 Wins

–

5 Losses

–

1 Draws

25 KOs

Ranking July 2026: IBF #9 IBO #1

Career: 2007 – present

World Titles

WBO WBO World Bantamweight

Won: Nov 30, 2019 TKO R3 Zolani Tete; 2 DefensesLost: Aug 14, 2022 Vacated

WBO WBO Interim Bantamweight

Won: Apr 20, 2019 KO R12 Ricardo Espinoza Franco; 1 DefenseLost: Aug 23, 2020 Vacated

IBF IBF World Flyweight

Won: May 25, 2016 KO R4 Amnat Ruenroeng; 1 DefenseLost: Sep 10, 2017 Vacated

IBF IBF World Light Flyweight

Won: Aug 04, 2012 SD Pedro Guevara; 3 DefensesLost: May 03, 2015 Vacated

IBF IBF Interim Light Flyweight

Won: Feb 10, 2012 TKO R10 Luis Alberto LazarteLost: Feb 09, 2013 Vacated

WBO WBO Interim Light Flyweight

Won: Dec 19, 2009 TKO R11 Cesar CanchilaLost: Jul 24, 2010 SD Ramon Garcia

Regional Belts

WBO WBO Global Super Bantamweight

Won: May 13, 2023 UD Fillipus NghitumbwaLost: May 12, 2024 Vacated

WBO WBO Asia Pacific Light Flyweight

Won: Oct 03, 2008 TKO R5 Phaiboon Chumthong; 1 DefenseLost: May 28, 2010 Vacated

Philippines Philippines PBF Flyweight

Won: Aug 23, 2008 UD Rodel QuilatonLost: Aug 23, 2009 Vacated

About John Riel Casimero

John Riel Reponte Casimero (born February 13, 1989) is a Filipino professional boxer and YouTuber, recognized as a three-division world champion. He held the IBF junior-flyweight title (2012–2013), the IBF flyweight title (2016), and the WBO bantamweight title (2019–2022). Known for his explosive style and resilience, Casimero has scored notable victories over César Canchila, Amnat Ruenroeng, Zolani Tete, and Guillermo Rigondeaux. Despite controversies outside the ring, his career achievements across multiple weight classes have established him as one of the Philippines’ most accomplished fighters in the modern era.

Read full article on Wikipedia ↗

Bio last updated: 20 Apr 2026

Fight Record 42 bouts

No.	Date	Location	Opponent	Division	Result	Rds	At Stake
42	06 Jun 2026	Aichi Sky Expo, Tokoname, JP	Luis Nery	Featherweight	W-TKO	4/10
41	27 Dec 2025	Aichi Sky Expo, Tokoname, JP	Tom Mizokoshi 11-5-2	Featherweight	W-KO	5/8
40	25 Oct 2025	Bishkek Arena, Bishkek	Kyonosuke Kameda 15-5-2	Super Featherweight	L-UD	10
39	13 Oct 2024	Yokohama Budokan, Yokohama, JP	Saul Sanchez 21-3-0	Featherweight	W-TKO	1/10
38	12 Oct 2023	Ariake Colosseum, Tokyo, JP	Yukinori Oguni 21-2-2	Super Bantamweight	D	4/10
37	13 May 2023	Okada Manila Hotel and Casino, Paranaque City, PH	Fillipus Nghitumbwa 12-1-0	Super Bantamweight	W-UD	12	WBO Global Super Bantamweight
36	03 Dec 2022	Paradise City Plaza, Incheon, KR	Ryo Akaho 39-2-2	Super Bantamweight	W-KO	2/10
35	14 Aug 2021	Dignity Health Sports Park, Carson, US	Guillermo Rigondeaux 20-1-0	Bantamweight	W-SD	12	WBO World Bantamweight
34	26 Sep 2020	Mohegan Sun Casino, Uncasville, US	Duke Micah 24-0-0	Bantamweight	W-TKO	3/12	WBO World Bantamweight
33	30 Nov 2019	Utilita Arena, Birmingham, GB	Zolani Tete 28-3-0	Bantamweight	W-TKO	3/12	WBO World Bantamweight
32	24 Aug 2019	San Andres Civic & Sports Center, Manila, PH	Cesar Ramirez Lora 18-3-0	Bantamweight	W-KO	10/12	WBO Interim Bantamweight
31	20 Apr 2019	Dignity Health Sports Park, Carson, US	Ricardo Espinoza Franco 23-2-0	Bantamweight	W-KO	12	WBO Interim Bantamweight
30	16 Feb 2019	SM City North EDSA Skydome, Quezon City, PH	Kenya Yamashita 13-4-0	Bantamweight	W-TKO	6/10
29	21 Jul 2018	Casino Hipodromo Agua Caliente, Tijuana, MX	Jose Pech 4-25-0	Featherweight	W-TKO	2/6
28	16 Sep 2017	Cebu Waterfront Hotel and Casino, Cebu City, PH	Jonas Sultan 13-3-0	Super Flyweight	L-UD	12
27	25 Jun 2017	Iligan City Public Plaza, Iligan City, PH	Jecker Buhawe 16-13-1	Bantamweight	W-UD	6
26	10 Sep 2016	O2 Arena, Greenwich, GB	Charlie Edwards 8-0-0	Flyweight	W-TKO	10/12	IBF World Flyweight
25	25 May 2016	Diamond Court, Beijing, CN	Amnat Ruenroeng 17-0-0	Flyweight	W-KO	4/12	IBF World Flyweight
24	27 Jun 2015	Hua Mark Indoor Stadium, Bangkok, TH	Amnat Ruenroeng 15-0-0	Flyweight	L-UD	12	IBF World Flyweight
23	13 Dec 2014	Salón Las Palmas, Pesqueria, MX	Armando Santos 14-3-2	Flyweight	W-TKO	2/12
22	03 May 2014	Cebu Waterfront Hotel and Casino, Cebu City, PH	Mauricio Andres Fuentes Rebolledo 16-2-0	Super Flyweight	W-KO	1/12	IBF World Light Flyweight
21	26 Oct 2013	Makati Coliseum, Makati City, PH	Felipe Salguero 18-5-1	Light Flyweight	W-TKO	11/12	IBF World Light Flyweight
20	16 Mar 2013	Megapolis Convention Center, Panama City, PA	Luis Alberto Rios 18-1-1	Light Flyweight	W-UD	12	IBF World Light Flyweight
19	04 Aug 2012	Centro de Convenciones, Mazatlan, MX	Pedro Guevara 18-0-1	Light Flyweight	W-SD	12	IBF World Light Flyweight
18	10 Feb 2012	Club Once Unidos, Mar del Plata, AR	Luis Alberto Lazarte 49-10-2	Light Flyweight	W-TKO	10/12	IBF Interim Light Flyweight
17	15 Oct 2011	Hoops Dome, Lapu-Lapu City, PH	Roemart Sentillas 11-7-0	Flyweight	W-KO	1/10
16	26 Mar 2011	Nasrec Indoor Arena, Johannesburg, ZA	Moruti Mthalane 26-2-0	Flyweight	L-TKO	5/12	IBF World Flyweight
15	24 Jul 2010	Polideportivo Centenario, Los Mochis, MX	Ramon Garcia 12-1-1	Light Flyweight	L-SD	12	WBO Interim Light Flyweight
14	19 Dec 2009	Estadio Nacional, Managua, NI	Cesar Canchila 28-2-0	Light Flyweight	W-TKO	11/12	WBO Interim Light Flyweight
13	28 May 2009	Cebu Coliseum, Cebu City, PH	Ardin Diale 11-4-1	Light Flyweight	W-TKO	8/12	WBO Asia Pacific Light Flyweight
12	08 May 2009	Naga Sports Complex, Naga City, PH	Allan Ranada 18-19-1	Super Flyweight	W-UD	8
11	03 Oct 2008	Talisay City Sports Complex, Talisay City, PH	Phaiboon Chumthong 11-3-0	Light Flyweight	W-TKO	5/12	WBO Asia Pacific Light Flyweight
10	23 Aug 2008	Alcoy Multi-Purpose Sports Complex, Alcoy, Cebu, PH	Rodel Quilaton 20-8-1	Flyweight	W-UD	10	Philippines PBF Flyweight
9	17 Jul 2008	Compostela, Cebu, PH	Roemart Sentillas 6-2-0	Light Flyweight	W-TKO	3/10
8	12 Jun 2008	Baybay City Sports Complex, Baybay, Leyte, PH	Roel Honor 5-11-2	Flyweight	W-TKO	1/8
7	21 Apr 2008	Lapu-Lapu City Auditorium, Lapu-Lapu City, PH	Daryl Amoncio 6-6-0	Flyweight	W-MD	8
6	29 Mar 2008	Mandaue City Plaza Square, Mandaue City, PH	Jerome Bontog 4-3-1	Flyweight	W-KO	3/6
5	12 Jan 2008	Borbon Sports Complex, Borbon, Cebu, PH	Rogen Flores 7-2-2	Super Bantamweight	W-TD	6/8
4	16 Dec 2007	Carmen Sports Complex, Carmen, PH	Dodong Zalde 0-14-2	Flyweight	W-KO	2/6
3	26 Aug 2007	Daanbantayan Sports Center, Daanbantayan, Cebu, PH	Roel Honor 4-8-1	Flyweight	W-UD	6
2	16 Aug 2007	Alcoy Multi-Purpose Sports Complex, Alcoy, Cebu, PH	Andrew Pal	Flyweight	W-RTD	1/4
1	03 Jun 2007	Gethsemane Parish Grounds, Mandaue City, PH	Lobert Bayo 2-1-0	Flyweight	W-UD	4

Fighters’ record database is an ongoing project. Fight data may be incomplete or inaccurate. Send comment or info to feedback@philboxing.com.

John Riel Casimero Also Mentioned In 473 articles

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