Standout achievements
Sergiusz Zajac is a Polish mixed martial artist with a professional record of 9-2 across 11 bouts. They've won 7 by KO/TKO, 1 by submission and 1 by decision — a 89 % finish rate. Most wins come by KO/TKO. Last competed March 2026 (active). Has fought most often in Poland (15 bouts).
Fight locations (3 venues)
Career timeline — fights by year
Frequently asked
What is Sergiusz Zajac's MMA record?
Sergiusz Zajac has a professional MMA record of 9-2 — 7 wins by KO/TKO, 1 by submission, 1 by decision.
How does Sergiusz Zajac usually win?
They most often win by KO/TKO (7 of 9 wins).
How does Sergiusz Zajac usually lose?
Most of Sergiusz Zajac's losses come by KO/TKO (1 of 2).
Is Sergiusz Zajac still active?
Sergiusz Zajac last competed in March 2026, and is considered active (no bout in over two years).
What is Sergiusz Zajac's fastest finish?
KO/TKO of Mariusz Ksiazkiewicz in 1:07 (Rd 1) at KSW 110 - Grzebyk vs. Tulshaev.
Where is Sergiusz Zajac from?
Sergiusz Zajac is a Polish mixed martial artist.
What is Sergiusz Zajac's longest MMA win streak?
Sergiusz Zajac's longest winning run on record is 9 straight victories.
Where does Sergiusz Zajac rank in MMA?
Sergiusz Zajac sits at #4,167 of 32,631 fighters in the Fight Forensics global MMA rankings.
Pro MMA (11)
Amateur (5)
Amateur bouts — not counted toward the pro record.