Sergiusz Zajac

CAREER SUMMARY

No completed fights tracked yet on UFCalendar. Sergiusz Zajac has won 3 fights: 3 by KO/TKO, 0 by submission, 0 by decision. Most recent fight: March 14, 2026. Tracked organizations: KSW.

Profile

Height

6'4"

Weight

206 lbs

Reach

—

Stance

—

DOB

1998-10-09

Fight history

1. LOSS
   vs Damian Piwowarczyk

   KSW 116 - Bartosinski vs. Fleminas· Light Heavyweight
   TKO

   R2 · 1:22
2. WIN
   vs Mariusz Ksiazkiewicz

   KSW 110 - Grzebyk vs. Tulshaev· Light Heavyweight
   KO

   R1 · 1:07
3. WIN
   vs Michal Dreczkowski

   KSW 104 - Kuberski vs. Romanowski· Light Heavyweight
   KO

   R1 · 4:00
4. WIN
   vs Kleber Silva

   KSW 97 - Bajor vs. Scheffel· 210lb Catchweight
   TKO

   R1 · 1:36