ONE: Fastest knockouts
The all-time ONE top 100, rebuilt from every completed ONE fight in our database.
Updated September 20, 2026
A fighter with a bout in the last 18 months. Country boards rank every fighter from that country and cannot be combined with the active filter.
| # | Fighter | Fastest knockouts | Round | Fight | Date |
|---|---|---|---|---|---|
| 1 |   Beybulat Isaev | 0:33 | 1 | Alex RobertsLight Heavyweight | Jul 26, 2024 |
| 2 |   Shamil Erdogan | 0:44 | 1 | Gilberto GalvaoLight Heavyweight | Mar 8, 2025 |
| 3 |  Aung La N Sang | 8:23 | 2 | Brandon VeraLight Heavyweight | Oct 13, 2019 |
This board ranks single performances, not fighters — one fighter can hold more than one row.