Nak Joong Sung is a South Korean flyweight representing Apgujeong Gym. Competing under the nickname “Garrincha,” he has built his professional experience through the Black Combat and ROAD FC developmental circuits. While still early in his career, Nak Joong Sung has consistently faced experienced domestic competition, giving him valuable cage time against established regional opponents. His performances have positioned him as one of several young flyweights working to establish themselves within Korea’s growing professional MMA scene.

Little public information has been released regarding Nak Joong Sung’s childhood or introduction to martial arts. Before making his professional debut, he gained experience competing in the ROAD FC Central League, one of South Korea’s primary developmental systems for amateur and aspiring professional fighters. That experience helped prepare him for competition under larger domestic promotions as he transitioned into the professional ranks.

Nak Joong Sung has primarily competed at flyweight, a division that emphasizes pace, speed, and technical efficiency over raw power. Nak Joong Sung’s professional victories and losses have come largely through decisions, suggesting a fighter who is comfortable fighting across multiple rounds rather than relying exclusively on early finishes. As Nak Joong Sung continues gaining experience, developing greater offensive consistency and finishing opportunities will likely become important areas of progression.

Nak Joong Sung first appeared in the ROAD FC Central League before transitioning into professional competition.

Nak Joong Sung later competed under the Black Combat Rise banner, where he faced increasingly experienced opposition while continuing to develop as a professional flyweight. His appearances against domestic veterans have provided valuable experience despite mixed results, reflecting the level of competition often encountered by developing Korean prospects.

• Professional competitor for Apgujeong Gym.
• Competed under the Black Combat Rise promotion.
• Competed in the ROAD FC Central League.
• Professional flyweight competitor.

Nak Joong Sung remains in the developmental stage of his professional career. With relatively limited professional experience, continued activity against increasingly competitive domestic opposition will be important in determining his long-term ceiling. As Korea’s regional MMA scene continues to expand through promotions such as Black Combat and ROAD FC, additional opportunities should allow Nak Joong Sung to further establish himself within the flyweight division.