- Name
- Sang Uk Kim
- Nationality
South Korea- Weight Class
- Lightweight
- Korean Name
- 김상욱
- Hometown
- Seoul, South Korea
- Professional Debut
- 2020
- Nickname
- Frog Man
- Fighting Out Of
- Seoul, South Korea
- Height
- 6'0" (183cm)
- Reach
- 71.0 in (180 cm)
- Weight
- 155.8 lbs (70.7 kg)
- Affiliated Gym
- Havas MMA
- Birthday
- October 17, 1993
- Age
- 32
1. Overview
Sang Uk Kim, known by the nickname “Frog Man,” is one of South Korea’s leading lightweight competitors. Representing HAVAS MMA, Kim has established himself through successful runs in Angel’s Fighting Championship (AFC), Road to UFC, and Z-Fight Night (ZFN). His résumé includes victories over respected international opponents, appearances in two consecutive Road to UFC tournaments, and a championship-caliber run that has placed him among the top lightweight fighters competing out of Korea. His balanced finishing ability—earning victories by knockout, submission, and decision—has made him one of the country’s most complete regional lightweights.
Fighter record available through third-party sources below:
Tapology: https://www.tapology.com/fightcenter/fighters/88555-sang-uk-kim
2. Early Life & Background
Publicly available information regarding Sang Uk Kim’s early life and introduction to martial arts is limited. Verified sources identify him as being born on October 17, 1993, in Seoul, South Korea, where he continues to train and compete out of HAVAS MMA. No verified interviews or official biographies currently provide additional details regarding his amateur career or early athletic background.
3. Fighting Style
Striking
Sang Uk Kim has recorded professional victories by both knockout and technical knockout throughout his career. His finishes include victories by punches, elbows, and a head kick, demonstrating a diverse striking arsenal rather than reliance on a single technique. Notable stoppage wins include victories over Arvin Chan, Jong Gi Ahn, and Daichi Kamiya.
Grappling
Sang Uk Kim is equally dangerous on the ground, with multiple submission victories by rear-naked choke and a brabo choke. His submission wins over Kazuma Maruyama, Yawei Ren, Choong Il Park, and Seok Min Kim highlight a well-rounded offensive grappling game.
Fight IQ
Sang Uk Kim has consistently accepted increasingly difficult opposition throughout his career, progressing from AFC competition to consecutive appearances in the Road to UFC tournament. His ability to compete successfully against both domestic and international opponents reflects continued technical growth and composure under high-level competition.
4. Professional Career
Kim made his professional debut in 2020, winning his first two bouts under the Zeus FC banner before joining Angel’s Fighting Championship. Between 2021 and 2023, he compiled an impressive run in AFC, earning victories over Song Ha Lee, Choong Il Park, Jong Gi Ahn, Jae Young Ahn, Van The Anh Le, Shoma Yamada, and Arvin Chan.
His performances earned him a place in the 2023 Road to UFC Lightweight Tournament, where he defeated Kazuma Maruyama before falling to Zhu Rong in the semifinals. Rather than slowing his momentum, Kim returned in 2025 for the next Road to UFC tournament, defeating Daichi Kamiya by second-round TKO before submitting Yawei Ren in the semifinals to earn a place in the tournament final.
Kim ultimately lost a unanimous decision to Dom Mar Fan in the Road to UFC final at UFC 325 in January 2026. He rebounded five months later with a unanimous decision victory over Kyrylo Horobets at AFC 41, improving his professional record to 14-4 and reaffirming his status as one of Korea’s top lightweight competitors.
5. Career Highlights
- Two-time Road to UFC tournament participant
- Road to UFC Season 4 finalist
- Competitor in Angel’s Fighting Championship (AFC)
- Competitor in Z-Fight Night (ZFN)
- Victory over Daichi Kamiya at Road to UFC
- Victory over Yawei Ren at Road to UFC
- Victory over Kyrylo Horobets at AFC 41
- Represents HAVAS MMA
6. HanPunch Rating
Overall Grade: A-
Striking █████████░ 89
Grappling █████████░ 88
Athleticism █████████░ 89
Durability ████████░░ 84
Fight IQ █████████░ 89
Championship Potential █████████░ 90
Marketability ████████░░ 84
HanPunch Assessment: Sang Uk Kim has quietly developed into one of South Korea’s most complete lightweight fighters. His ability to finish opponents by knockout or submission, combined with success against increasingly difficult international competition, demonstrates a well-rounded skill set. Reaching the Road to UFC final in 2025 and rebounding with a strong victory at AFC 41 reinforces his position among Korea’s elite regional lightweights and keeps him firmly in the conversation for future opportunities on the global stage.
7. Summary & Trajectory
Since turning professional in 2020, Sang Uk Kim has steadily climbed the lightweight ranks through consistent performances in Korea and abroad. His résumé reflects continuous progression, culminating in consecutive Road to UFC appearances and victories over respected international opponents.
Still competing in his athletic prime, Kim remains one of South Korea’s premier lightweight talents. His experience against high-level competition and balanced skill set position him well for continued success in international MMA.
