Overview
Chan Woo Jang (장찬우), known by the nickname “Supersonic,” is a South Korean professional flyweight representing Team Finish.
Since turning professional in 2022, Jang has quietly established himself as one of Korea’s emerging 125-pound prospects, compiling a 6-2 professional record with an active five-fight winning streak. His recent run culminated in capturing the Zeus FC Flyweight Championship, positioning him among the stronger regional flyweights in the country.
Known for his speed, disciplined striking, and composed decision-making, Chan Woo Jang has steadily evolved from a promising newcomer into a championship-caliber competitor capable of finishing opponents or controlling fights over the distance.
Early Life & Background
Little has been publicly documented about Chan Woo Jang’s upbringing prior to his professional career. He developed his martial arts foundation through Team Finish, one of South Korea’s respected MMA academies known for producing technically well-rounded fighters.
Chan Woo Jang entered professional MMA during a period of rapid growth for Korean regional promotions. Rather than rushing his development, he accumulated experience against increasingly tougher competition, gradually establishing himself as one of Team Finish’s standout flyweight prospects before breaking through on the Zeus FC stage.
Fighting Style
Chan Woo Jang is a well-balanced flyweight whose game revolves around speed, efficient striking, and technical discipline. His nickname, “Supersonic,” reflects the pace with which he attacks, often overwhelming opponents through quick combinations and intelligent pressure.
Half of his professional victories have come by knockout or technical knockout, demonstrating genuine finishing ability, while the remainder have come via decision, highlighting his ability to maintain control throughout a full contest. Rather than relying solely on aggression, Jang manages distance effectively, picks his moments carefully, and rarely wastes movement.
His performances suggest a fighter comfortable adapting his approach depending on the opponent, whether that means pushing for an early stoppage or patiently accumulating rounds.
Professional Career
Chan Woo Jang made his professional debut in 2022, earning a unanimous decision victory over Dong Hyun Kang at AFC 20. The win marked a successful introduction to the professional ranks and laid the foundation for his continued development.
Following a pair of early career setbacks, Jang rebounded impressively, beginning a winning streak that showcased his rapid improvement. During 2024 and 2025 he became one of Zeus FC’s most consistent performers, collecting victories over Seo Ho Cho, Kim Young Han, Cho Hyo Je, Jung Ji Ho, and Won Hee Jung.
His biggest accomplishment came in November 2025 when he stopped Won Hee Jung by first-round TKO to capture the vacant Zeus FC Flyweight Championship, extending his winning streak to five consecutive victories. The championship run established him as one of Korea’s leading regional flyweights and significantly elevated his profile.
Career Highlights
- Professional record of 6-2.
- Current five-fight winning streak.
- Captured the Zeus FC Flyweight Championship in November 2025.
- Three professional victories by knockout or TKO.
- Main event victories in multiple Zeus FC championship events.
- Represents Team Finish, one of South Korea’s premier MMA academies.
Summary & Trajectory
Chan Woo Jang has steadily transformed from a promising regional prospect into one of Korea’s more accomplished flyweights. His championship success in Zeus FC demonstrates consistent improvement rather than a single breakout performance, with each fight showing greater composure and tactical maturity.
Still relatively early in his professional career, Chan Woo Jang appears well-positioned to test himself against stronger domestic competition and potentially earn opportunities with larger Asian promotions. If his current rate of development continues, he could become a legitimate contender beyond the Korean regional circuit.
Chan Woo Jang may not yet receive the same attention as some of Korea's internationally recognized flyweights, but his résumé deserves serious consideration. A five-fight winning streak, a regional championship, and multiple finishes indicate a fighter who is progressing at the right pace without being rushed.
What stands out most is his consistency. Jang has shown he can win in different ways, adapt to different opponents, and perform under championship pressure. His technical approach and measured fight IQ provide a solid foundation for continued growth.
HanPunch sees Chan Woo Jang as one of South Korea's rising flyweight prospects—an intelligent, technically polished champion with the tools to compete at higher levels as he continues gaining experience.
Sang Kwon Han
Dae Hwan Kim
Yong Soo Jung