The boxing world features several notable head-to-head clashes every week. The upcoming boxing match featuring Simsri vs. Vicelles will take place on September 26. The fight will be held at Fujisan Messe in Fuji, Japan, creating memorable momentum. This weekend, Thanongsak Simsri and Mark Vicelles will fight for the IBF World Light Flyweight title.
Thanongsak Simsri is the defending champion and a talented boxer. Simsri is from Thailand and is one of the strong contenders. Mark Vicelles is a tough challenger from the Philippines. He is in excellent form as a professional boxer. These boxers will travel to Japan to compete in the event.
Boxing World: Latest News and Future Events
Teofimo Lopez will face Jack Catterall in a WBA welterweight title bout. Another major boxing news story is developing in the heavyweight division. Ryan Garcia recorded a recent victory over Conor Benn.
The main card features Simsri vs Vicelles, a clash for the IBF World Junior flyweight title. Several boxers on the main card will step into the ring to prove themselves and improve their rankings. Ren Harada will face Shan Wu in a super flyweight bout. This co-main event will feature two rising boxers seeking to strengthen their reputations. In another matchup, Chihiro Iwashita will meet up with Rusen Zheng in a featherweight bout.
Furthermore, Shoki Nakamura will face Wachirawit Sanpakorn in a super flyweight bout. Kei Fuchigami will face Kento Shinoda in a super featherweight bout. Tomohiro Tsuruta will face Yusuke Nawa in a bantamweight bout. Shunpei Ohata will face Pete Apolinar in a super featherweight bout.
Boxing Rivalries: Previous Battles and Results
Isaac Cruz faced Nestor Bravo for the WBC Interim World Super Lightweight Championship. Cruz defeated Bravo in the sixth round by KO. John Hedges claimed a victory over Pat Brown by KO in the sixth round.
On the undercard, Shabaz Masoud defeated Ckari Cani Mansilla by unanimous decision after ten rounds. Kieron Conway defeated Mark Jeffers by unanimous decision after the tenth round. On September 12, Ryan Garcia faced Conor Benn for the WBC World Welterweight Championship. Garcia defeated Benn by TKO in the second round. On the undercard, Jai Opetaia defeated Noel Mikaelian by TKO in the ninth round. Andres Cortes claimed a victory against Mark Magsayo by unanimous decision in the tenth round. Alexis Rocha defeated Jose Carlos Ramirez after ten rounds.
Regie Suganob faced Sivenathi Nontshinga for the world light-flyweight title. Suganob defeated Nontshinga by KO in the fifth round. Julio Cesar Chavez Jr. claimed a win over Jeison Troncoso by KO early in the first round. Jordan McCann faced Charlie Cox in a heavyweight bout. McCann defeated Charlie Cox by TKO in the second round.
On the undercard, Jack Kay faced Kellen Jenkins. Kay defeated Jenkins by split decision in the fourth round. Giovani Santillan faced Abass Baraou for the WBO Inter-Continental Super Welterweight (Junior Middleweight) title. Santillan claimed a victory against Baraou in the tenth round. On the undercard, Luis Alberto Lopez faced Daniel Lugo in a non-title super featherweight fight. Lopez defeated Lugo by KO in the third round. Dominic Valle faced Frankie Scarboro Jr. in a super featherweight / junior lightweight prospect clash. Valle claimed a victory against Scarboro Jr. after ten rounds. Hebert Conceicao faced Jose “Chio” Adame in a WBO Latino super middleweight bout. Conceicao defeated Chio by KO in the eighth round.
Fighter Profiles: Backgrounds and Professional Records
Simsri vs. Vicelles
Thanongsak Simsri was born in Sisaket province, Thailand. At the age of 14, he started boxing in Muay Thai. He is a Thai professional boxer who has competed under the ring name Petchkoson Greentsuda. He has competed in the light flyweight division under the International Boxing Federation (IBF).
Thanongsak Simsri began his professional boxing career with a strong record. Simsri recorded 24 consecutive victories between 2018 and 2022. He recorded 16 consecutive victories between 2022 and 2026. Now, Thanongsak Simsri is set to face Mark Vicelles for the IBF World Junior flyweight title.
Mark Vicelles was born in Lebak, Philippines. His family strongly supported his interest in sports. His full name is Ronnie Mark Mendoza Vicelles. He began his professional boxing career in 2016. Vicelles started his professional career with three consecutive victories in 2016, marking a strong start to his boxing career. Later in 2016, he drew with Rodel Kirk Pelenio.
Following the draw, Mark Vicelles recorded 14 consecutive victories between 2017 and 2022. He struggled with inconsistent performances throughout his career from 2023 to 2025.
Boxing Event Details
Main Event: Simsri vs. Vicelles
Date: September 26, 2026 (Saturday)
Time: 08:00 AM ET | 05:00 AM PT | 05:30 PM IST
Venue: Fujisan Messe, Fuji, Japan.
How to Watch Simsri vs. Vicelles Live
The boxing match featuring Simsri vs. Vicelles will be broadcast live on DAZN. This platform requires a subscription for all boxing events worldwide.
Simsri vs. Vicelles Fight Card
Main Card
Thanongsak Simsri vs. Mark Vicelles (IBF World Junior Flyweight)
Ren Harada vs. Shan Wu (Super Flyweight)
Chihiro Iwashita vs. Rusen Zheng (Featherweight)
Shoki Nakamura vs. Wachirawit Sanpakorn (Super Flyweight)
Kei Fuchigami vs. Kento Shinoda (Super Featherweight)
Sky Tampol vs. Isami Ozaki (Super Lightweight)
Tomohiro Tsuruta vs Yusuke Nawa (Bantamweight)
Shunpei Ohata vs. Pete Apolinar (Super Featherweight)
Fighter Profiles and Key Stats
Bio and Stats Details
Thanongsak Simsri
Mark Vicelles
Nationality
Thai
Filipino
Age
26
30
Height
5′ 3½″
5’5”
Reach
64½″
N/A
Total Fights
41
21
Record
40-1-0 (35 Knockouts)
20-2-1 (11 Knockouts)
Boxer-by-Boxer Statistical Comparison
Statistical Category
Thanongsak Simsri
Mark Vicelles
Knockout Ratio (KO %)
87.5%
52.38%
Split Decision (SD%)
N/A
N/A
Unanimous Decision (UD%)
N/A
N/A
Stance
Orthodox
Southpaw
Current Streak
Win Streak (Multiple)
1 Win
Last Fight
Win vs. Sergio Alfonso Mendoza Cordova (April 2026)
Win in April 2026
Current Division
Light Flyweight division
Light Flyweight Division
Weight Limit
108 pounds (49 kg)
108 pounds (49 kg)
Debut
June 20, 2018
January 9, 2016
Current Status
Reigning IBF Light-Flyweight Champion
OPBF Light Flyweight Champion & IBF Contender
Currently Ranking
IBF World Champion (No. 2 by The Ring)
OPBF Champion / IBF No. 13 Contender
Professional Records of Both Boxers
Thanongsak Simsri
Sl.No
Opponents
Result
Type
1
Thanapong Saekoo
Win
TKO
2
Prajak Butsree
Win
TKO
3
Suriya Puttaluksa
Win
TKO
4
Manop Audomphanawari
Win
TKO
5
Phirom Padanprasert
Win
KO
6
Kermoo
Win
KO
7
Ricardo Sueno
Win
TKO
8
Panuwat Yakaret
Win
TKO
9
Watcharaphon Chaisai
Win
TKO
10
Mektison Marganti
Win
KO
11
Nattee Thongsingcle
Win
KO
12
Lerdchai Chaiyawed
Win
UD
13
Christian Bacolod
Win
UD
14
Suriya Puttaluksa
Win
TKO
15
Nutthakorn Sungsevee
Win
TKO
16
Tongthep Taeyawong
Win
RTD
17
Thaweesak Nakham
Win
TKO
18
Chanon Sonkham
Win
KO
19
Songkran Sosahwat
Win
TKO
20
Natthapon Buasa
Win
TKO
21
Kampanart Valsiripattanachai
Win
TKO
22
Benjaphon Phokam
Win
TKO
23
Jaturong Yuenyong
Win
TKO
24
Kris Sriphum
Win
TKO
25
Masamichi Yabuki
Loss
TKO
26
Sittipon Sangtean
Win
TKO
27
Chiraphan Taosuwan
Win
TKO
28
Weerawat Thongchaichan
Win
TKO
29
Oatsadin Thimthep
Win
TKO
30
Nawamin Klaypeayoon
Win
TKO
31
Shota Asami
Win
KO
32
Chiraphan Taosuwan
Win
TKO
33
Bordin Chomphoo
Win
TKO
34
Miel Fajardo
Win
UD
35
Assada Rakmit
Win
KO
36
John Paul Gabunilas
Win
TKO
37
Saravut Rongpig
Win
TKO
38
Masataka Taniguchi
Win
SD
39
Songchai Songklod
Win
KO
40
Christian Araneta
Win
SD
41
Sergio Mendoza
Win
TKO
Mark Vicelles
Sl.No
Opponents
Result
Type
1
Jonard Tabar
Win
KO
2
Junrey Amora
Win
TKO
3
Jesrel Corabal
Win
UD
4
Rodel Kirk Pelenio
Draw
UD
5
Fabio Marfa
Win
TKO
6
Rey Tagulaylay
Win
UD
7
Ernesto Alera
Win
UD
8
Daryl Monggon
Win
RTD
9
Roldan Sasan
Win
TKO
10
Lyster Jun Pronco
Win
UD
11
Robert Onggocan
Win
UD
12
Jesse Espinas
Win
UD
13
Junuel Lacar
Win
KO
14
Richard Rosales
Win
KO
15
Jerven Mama
Win
KO
16
Toto Landero
Win
UD
17
Richard Claveras
Win
KO
18
Jaysever Abcede
Win
KO
19
Regie Suganob
Loss
TD
20
Ronald Alapormina
Win
RTD
21
Albert Francisco
Win
UD
22
Xiang Li
Win
UD
23
Kosuke Tomioka
Loss
UD
Prediction
Thanongsak Simsri vs. Mark Vicelles
The boxing fight will see Thanongsak Simsri face Mark Vicelles for the IBF World Junior Flyweight title. Thanongsak Simsri is a young, talented boxer. He fights in an orthodox style and has achieved several notable milestones in his career. He currently holds a light flyweight/junior flyweight world title. His recent title defense reflects solid form during his boxing career. Simsri has suffered only one loss in his professional career.
Thanongsak Simsri suffered a defeat to Masamichi Yabuki by TKO in September 2022. His record includes more knockout victories than wins by other methods.
Mark Vicelles is one of the strong contenders in the light flyweight division. Vicelles currently holds the Oriental and Pacific Boxing Federation (OPBF) light flyweight title. He won the title by defeating Carlos Diaz via unanimous decision in April 2026. Mark Vicelles is now also scheduled to challenge for the International Boxing Federation (IBF) light flyweight world title. He has two losses in his professional boxing record, compared to Simsri’s one loss.
Vicelles has displayed more knockout victories than wins by other methods. His orthodox style has been a consistent part of his boxing style. His strong southpaw stance and counterattack power have been an important part of his style. He recently traveled to Japan and secured a clear unanimous decision win over Xiang Li in Shizuoka. Mark Vicelles will face Simsri in Japan for the upcoming bout. Based on his recent results, Thanongsak Simsri will look to earn a victory in the anticipated bout.