KSW: Fastest knockouts
The all-time KSW top 100, rebuilt from every completed KSW 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 |  Ivan Erslan | 0:54 | 1 | Bogdan GnidkoLight Heavyweight | Feb 24, 2024 |
| 2 |   Sergiusz Zajac | 1:07 | 1 | Mariusz KsiazkiewiczLight Heavyweight | Sep 20, 2025 |
| 3 |  Bartosz Kurek | 1:21 | 1 | Damian MieczkowskiLight Heavyweight | Mar 8, 2025 |
| 4 |   Laid Zerhouni | 1:41 | 1 | Alain Van De MercktLight Heavyweight | Dec 20, 2024 |
| 5 | Laid Zerhouni | 1:54 | 1 | Damian JanikowskiLight Heavyweight | May 10, 2025 |
| 6 |  Michal Dreczkowski | 2:23 | 1 | Adam TomasikLight Heavyweight | Sep 20, 2025 |
| 7 |  Damian Piwowarczyk | 2:42 | 1 | Kleber SilvaLight Heavyweight | Feb 24, 2024 |
| 8 | Michal Dreczkowski | 3:29 | 1 | Stevan JaricLight Heavyweight | Jun 7, 2024 |
| 9 | Damian Piwowarczyk | 3:38 | 1 | Lukasz SudolskiLight Heavyweight | Sep 16, 2023 |
| 10 |  Rafal Haratyk | 4:07 | 1 | Marcin WojcikLight Heavyweight | Feb 24, 2024 |
| 11 | Rafal Haratyk | 4:26 | 1 | Ivan ErslanLight Heavyweight | Oct 14, 2023 |
| 12 |  Marcin Wojcik | 5:31 | 2 | Henrique da SilvaLight Heavyweight | Nov 11, 2023 |
| 13 |  Piotr Kuberski | 5:47 | 2 | Damian JanikowskiLight Heavyweight | Nov 16, 2024 |
| 14 | Damian Piwowarczyk | 6:22 | 2 | Sergiusz ZajacLight Heavyweight | Mar 14, 2026 |
| 15 | Rafal Haratyk | 8:22 | 2 | Marcin WojcikLight Heavyweight | Nov 16, 2024 |
| 16 |  Maciej Rozanski | 9:00 | 2 | Ibragim ChuzhigaevLight Heavyweight | Jul 18, 2026 |
| 17 |  Andi Vrtacic | 9:33 | 2 | Cezariusz KesikLight Heavyweight | Jan 25, 2025 |
This board ranks single performances, not fighters — one fighter can hold more than one row.