Standout achievements
Yun Seong Jang is a South Korean mixed martial artist with a professional record of 8-2 across 10 bouts. They've won 3 by KO/TKO, 1 by submission and 4 by decision — a 50 % finish rate. Most wins come by decision. Last competed May 2026 (active). Has fought most often in South Korea (7 bouts).
Fight locations (4 venues)
Career timeline — fights by year
Frequently asked
What is Yun Seong Jang's MMA record?
Yun Seong Jang has a professional MMA record of 8-2 — 3 wins by KO/TKO, 1 by submission, 4 by decision.
How does Yun Seong Jang usually win?
They most often win by decision (4 of 8 wins).
How does Yun Seong Jang usually lose?
Most of Yun Seong Jang's losses come by decision (2 of 2).
Is Yun Seong Jang still active?
Yun Seong Jang last competed in May 2026, and is considered active (no bout in over two years).
What is Yun Seong Jang's fastest finish?
submission of Hong Giang Ngo in 1:06 (Rd 1) at AFC 21 - Angel's Fighting Championship 21.
Where is Yun Seong Jang from?
Yun Seong Jang is a South Korean mixed martial artist.
What is Yun Seong Jang's longest MMA win streak?
Yun Seong Jang's longest winning run on record is 6 straight victories.
Where does Yun Seong Jang rank in MMA?
Yun Seong Jang sits at #7,240 of 32,631 fighters in the Fight Forensics global MMA rankings.