KSW: Fastest knockouts
The all-time KSW top 100, rebuilt from every completed KSW fight in our database.
Updated September 22, 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 |   Nicolae Bivol | 0:25 | 1 | Adam BryszWelterweight | Nov 16, 2024 |
| 2 |   Wiktor Zalewski | 0:32 | 1 | Adrian ZielinskiWelterweight | Mar 16, 2024 |
| 3 |  Oskar Szczepaniak | 1:00 | 1 | Michal GniadyWelterweight | Mar 16, 2024 |
| 4 |  Adrian Bartosinski | 1:47 | 1 | Artur SzczepaniakWelterweight | Apr 22, 2023 |
| 5 |  Artur Szczepaniak | 2:40 | 1 | Igor MichaliszynWelterweight | Apr 26, 2025 |
| 6 |  Konrad Rusinski | 2:44 | 1 | Tagir MachmudovWelterweight | May 16, 2026 |
| 7 |   Ramzan Jembiev | 2:58 | 1 | El Hadji NdiayeWelterweight | Dec 20, 2024 |
| 8 |  Roman Szymanski | 4:15 | 1 | Kacper FormelaWelterweight | Jun 14, 2025 |
| 9 | Oskar Szczepaniak | 4:29 | 1 | Adrian GralakWelterweight | Sep 16, 2023 |
| 10 | Wiktor Zalewski | 5:55 | 2 | Kacper KoziorzebskiWelterweight | Sep 16, 2023 |
| 11 |   Madars Bertholds-Fleminas | 6:07 | 2 | Artur SzczepaniakWelterweight | Apr 6, 2024 |
| 12 |   Muslim Tulshaev | 7:14 | 2 | Marcin KrakowiakWelterweight | Aug 24, 2024 |
| 13 |   Steven Krt | 7:49 | 2 | Daniel KolasinskiWelterweight | May 16, 2026 |
| 14 |  Igor Michaliszyn | 8:29 | 2 | Krystian BielskiWelterweight | Apr 22, 2023 |
| 15 |  Amaury Wako-Zabo | 8:40 | 2 | Maciej RebaczWelterweight | Dec 20, 2024 |
| 16 |  Adam Brysz | 9:11 | 2 | Hugo DeuxWelterweight | Jul 20, 2024 |
| 17 | Amaury Wako-Zabo | 13:16 | 3 | Kacper FornalskiWelterweight | May 10, 2025 |
| 18 | Wiktor Zalewski | 14:06 | 3 | Romain DebienneWelterweight | Dec 20, 2025 |
| 19 | Adrian Bartosinski | 14:56 | 3 | Muslim TulshaevWelterweight | Dec 20, 2025 |
This board ranks single performances, not fighters — one fighter can hold more than one row.