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THANONGSAK
SIMSRI
Overview
Thanongsak Simsri (Thailand) is a professional boxer competing in the Light Flyweight division, with a record of 41-1 (36 by KO). (Record and vitals verified from boxing sources; combat ratings are editorial estimates.)
Attributes (editorial ratings)
Tale of the Tape
Championships
- IBF Light Flyweight Champion
Recent Form
Fight History
Simsri defeated Mark Vicelles via TKO in round 2 (12) (2:05) on Sept. 26, 2026, taking his record to 41–1.
Simsri defeated Sergio Mendoza via KO in round 2 (12) (2:32) on April 13, 2026, taking his record to 40–1.
Simsri defeated Christian Araneta via SD in round 12 on June 19, 2025, taking his record to 39–1.
Simsri defeated Songchai Songklod via KO in round 3 (6) (0:35) on Feb. 22, 2025, taking his record to 38–1.
Simsri defeated Masataka Taniguchi via SD in round 12 on Dec. 15, 2024, taking his record to 37–1.
Simsri defeated Saravut Rongpig via TKO in round 2 (8) (0:40) on Oct. 5, 2024, taking his record to 36–1.
Simsri defeated John Paul Gabunilas via TKO in round 5 (12) (2:52) on Aug. 4, 2024, taking his record to 35–1.
Simsri defeated Assada Rakmit via KO in round 2 (6) (0:59) on June 1, 2024, taking his record to 34–1.
Simsri defeated Miel Fajardo via UD in round 12 on April 13, 2024, taking his record to 33–1.
Simsri defeated Bordin Chomphoo via TKO in round 1 (8) (0:34) on Dec. 16, 2023, taking his record to 32–1.
Simsri defeated Chiraphan Taosuwan via TKO in round 2 (8) (0:20) on Oct. 20, 2023, taking his record to 31–1.
Simsri defeated Shota Asami via KO in round 2 (8) (2:20) on Aug. 6, 2023, taking his record to 30–1.
Simsri defeated Nawamin Klaypeayoon via TKO in round 1 (8) (0:52) on June 18, 2023, taking his record to 29–1.
Simsri defeated Oatsadin Thimthep via TKO in round 3 (6) (1:50) on April 9, 2023, taking his record to 28–1.
Simsri defeated Weerawat Thongchaichan via TKO in round 2 (6) (0:33) on Feb. 19, 2023, taking his record to 27–1.
Simsri defeated Chiraphan Taosuwan via TKO in round 5 (8) (0:36) on Dec. 18, 2022, taking his record to 26–1.
Simsri defeated Sittipon Sangtean via TKO in round 3 (8) (1:08) on Nov. 20, 2022, taking his record to 25–1.
Simsri lost to Masamichi Yabuki via TKO in round 7 (10) (1:19) on Sept. 10, 2022, taking his record to 24–1.
Simsri defeated Kris Sriphum via TKO in round 3 (8) on July 24, 2022, taking his record to 24–0.
Simsri defeated Jaturong Yuenyong via TKO in round 2 (8) (1:18) on May 1, 2022, taking his record to 23–0.
Simsri defeated Benjaphon Phokam via TKO in round 2 (8) (1:20) on March 27, 2022, taking his record to 22–0.
Simsri defeated Kampanart Valsiripattanachai via TKO in round 4 (6) (2:20) on Feb. 5, 2022, taking his record to 21–0.
Simsri defeated Natthapon Buasa via TKO in round 2 (6) (2:30) on Dec. 19, 2021, taking his record to 20–0.
Simsri defeated Songkran Sosahwat via TKO in round 1 (8) (2:57) on Oct. 31, 2021, taking his record to 19–0.
Simsri defeated Chanon Sonkham via KO in round 3 (8) (1:40) on Sept. 26, 2021, taking his record to 18–0.
Simsri defeated Thaweesak Nakham via TKO in round 3 (8) (1:30) on July 18, 2021, taking his record to 17–0.
Simsri defeated Tongthep Taeyawong via RTD in round 4 (8) (3:00) on June 6, 2021, taking his record to 16–0.
Simsri defeated Nutthakorn Sungsevee via TKO in round 3 (6) (0:19) on March 19, 2021, taking his record to 15–0.
Simsri defeated Suriya Puttaluksa via TKO in round 4 (6) (1:00) on Feb. 6, 2020, taking his record to 14–0.
Simsri defeated Christian Bacolod via UD in round 8 on Dec. 8, 2019, taking his record to 13–0.
Simsri defeated Lerdchai Chaiyawed via UD in round 6 on Oct. 12, 2019, taking his record to 12–0.
Simsri defeated Nattee Thongsingcle via KO in round 3 (8) (1:17) on Aug. 31, 2019, taking his record to 11–0.
Simsri defeated Mektison Marganti via KO in round 3 (8) (1:46) on Aug. 4, 2019, taking his record to 10–0.
Simsri defeated Watcharaphon Chaisai via TKO in round 2 (8) (2:28) on June 15, 2019, taking his record to 9–0.
Simsri defeated Panuwat Yakaret via TKO in round 1 (6) (1:32) on May 19, 2019, taking his record to 8–0.
Simsri defeated Ricardo Sueno via TKO in round 1 (6) (1:06) on April 21, 2019, taking his record to 7–0.
Simsri defeated Kermoo via KO in round 1 (8) on Feb. 5, 2019, taking his record to 6–0.
Simsri defeated Phirom Padanprasert via KO in round 5 (6) on Dec. 14, 2018, taking his record to 5–0.
Simsri defeated Manop Audomphanawari via TKO in round 5 (6) (1:56) on Nov. 21, 2018, taking his record to 4–0.
Simsri defeated Suriya Puttaluksa via TKO in round 2 (4) (0:59) on Sept. 12, 2018, taking his record to 3–0.
Simsri defeated Prajak Butsree via TKO in round 2 (4) (2:02) on Aug. 2, 2018, taking his record to 2–0.
Simsri defeated Thanapong Saekoo via TKO in round 1 (4) (1:50) on June 20, 2018, taking his record to 1–0.
Career record from Verified professional boxing sources (complete fight list); fight footage plays via the official YouTube embed from its original channel.
Analytics
- KO/TKO36 · 88%
- Decision5 · 12%
- DQ/Other0 · 0%
Rates a fighter on the standard of opposition he has actually beaten: a win over someone we also rate counts far more than a win over an unrated opponent, recent bouts count more than old ones, and recent losses or a long layoff pull the score down. Proprietary FighterStatus metric — not an official ranking.
Our own rating of the division — not an official UFC, boxing or MMA ranking.
Light Flyweight
Light Flyweight
Light Flyweight