Below is the history of the ONE Championship Featherweight Muay Thai World championship:
Tawanchai PK Saenchai remains the reigning undisputed champion. He was sidelined indefinitely after suffering a broken leg under kickboxing rules against Liu Mengyang at ONE Friday Fights 137 in December 2025. With Tawanchai out, Nico Carrillo claimed the Interim Featherweight Muay Thai World Title at ONE Fight Night 40 on February 13, 2026, beating Shadow Singha Mawynn by unanimous decision.
| # | Champion | Event | Date | Opponent |
|---|---|---|---|---|
| 3 | Nico Carrillo (IC) | ONE Fight Night 40 | February 13, 2026 | Shadow Singha Mawynn |
| 2 | Tawanchai PK Saenchai | ONE 161 | September 29, 2022 | Petchmorakot Petchyindee |
| 1 | Petchmorakot Petchyindee | ONE: Warrior’s Code | February 7, 2020 | Pongsiri PK Saenchai |
All ONE Featherweight Muay Thai World Title fights
Every title bout contested for the ONE Featherweight Muay Thai World Championship, with the most recent at the top.
| Date | Event | Champion | Challenger | Method | Result |
|---|---|---|---|---|---|
| February 13, 2026 | ONE Fight Night 40 | (Vacant Interim) | Nico Carrillo vs Shadow Singha Mawynn | Unanimous Decision | Carrillo wins Interim title |
| January 24, 2025 | ONE 170 | Tawanchai PK Saenchai (c) | Superbon Singha Mawynn | TKO Rd 2 (3 knockdowns) | Tawanchai retains |
| June 7, 2024 | ONE 167 | Tawanchai PK Saenchai (c) | Jo Nattawut | Majority Decision | Tawanchai retains |
| December 22, 2023 | ONE Friday Fights 46 | Tawanchai PK Saenchai (c) | Superbon Singha Mawynn | Majority Decision | Tawanchai retains |
| February 24, 2023 | ONE Fight Night 7 | Tawanchai PK Saenchai (c) | Jamal Yusupov | KO Rd 1 (leg kick, 0:49) | Tawanchai retains |
| September 29, 2022 | ONE 161 | Petchmorakot Petchyindee (c) | Tawanchai PK Saenchai | Unanimous Decision | Tawanchai wins title |
| May 20, 2022 | ONE 157 | Petchmorakot Petchyindee (c) | Jimmy Vienot | Split Decision | Petchmorakot retains |
| September 25, 2020 | ONE: A New Breed III | Petchmorakot Petchyindee (c) | Magnus Andersson | TKO Rd 3 (left hand) | Petchmorakot retains |
| July 31, 2020 | ONE: No Surrender | Petchmorakot Petchyindee (c) | Yodsanklai Fairtex | Split Decision | Petchmorakot retains |
| February 7, 2020 | ONE: Warrior’s Code | (Vacant) | Petchmorakot Petchyindee vs Pongsiri PK Saenchai | Unanimous Decision | Petchmorakot wins inaugural title |