World title lineage
IBF LIGHT FLYWEIGHT Champions
A complete roll of IBF light flyweight champions since 1997 — 6 champions across 6 reigns. THANONGSAK SIMSRI is the current titleholder. The longest reign belongs to MAURICIO PASTRANA (15y 7m, 3 defences).
- 6THANONGSAK SIMSRICURRENT CHAMPION
2025–present · 1y 4m · 1 defence
- 5
2024–2025 · 8m · 0 defences
- 4
2023–2024 · 1y 3m · 0 defences
- 3
2023 · 4m · 0 defences
- 2
2012–2023 · 10y 7m · 0 defences
- 1
1997–2012 · 15y 7m · 3 defences
