Cezary Oleksiejczuk
Record 17-3-0PolandFighting Nerds
The style
Southpaw Knockout Artist
Left-hand power · First-round blitzes · Championship-round experience
GrapplingStriking
Oleksiejczuk is a 26-year-old Polish southpaw, younger brother of UFC veteran Michal Oleksiejczuk, who trains with Brazil's Fighting Nerds camp. He earned his contract with a 36-second Contender Series knockout and outpointed Cesar Almeida in his December 2025 debut, running his win streak to nine. Nine of his 17 wins are knockouts, most inside a round.
Tale of the tape
| Record | 17-3-0 |
| Age | 26 |
| Height | 6'3" |
| Reach | 75.5" |
| Stance | Southpaw |
| Country | Poland |
| Team | Fighting Nerds |
The numbers
Career UFC averages.
| Sig. strikes landed / min | — |
| Striking accuracy | — |
| Sig. strikes absorbed / min | — |
| Striking defense | — |
| Takedowns / 15 min | — |
| Takedown accuracy | — |
| Takedown defense | — |
| Submission attempts / 15 min | — |
How they win
9 KO/TKO2 SUB6 DEC
How they lose
0 KO/TKO1 SUB2 DEC
On The Fight Brief
No fight breakdowns yet — they’ll appear here when Oleksiejczuk lands on a covered card.