— Ultimate Beatdown —

16 Years.60+ Events.Malaysia's Original.

Founded by Melvin “Overkill” Yeoh in Johor Bahru, 2010. Proud ONE FC Network partner — and the platform that gave the region’s next pros their first ring.

Ultimate Beatdown is Malaysia’s longest-running MMA promotion, founded in 2010 by Melvin Yeoh in Johor Bahru. Notable fighters who competed at Ultimate Beatdown include Trestle Tan (who went on to ONE Championship) and Yadwinder Singh (who went on to WSOF). Over 60 events with 500+ bouts officiated, featuring fighters from 8+ countries including Malaysia, Singapore, Philippines, Korea, India, Pakistan, Australia, and USA. Company registration: Ultimate Beatdown Sdn Bhd (1085179-U).

Founder

Melvin “Overkill” Yeoh

Melvin Overkill Yeoh

The Godfather of Malaysian MMA. ONE Championship fighter who built UB from the ground up to grow combat sports in Malaysia.

7-3-0

Pro Record

ONE FC

Championship

2006

Founded Camp

Chief Official

Isaac Yap

Isaac Yap

Chief Official since 2011. 500+ bouts, zero controversial decisions. Referees at ONE Warrior Series, Rebel FC, and promotions across Malaysia, Singapore & China. Trained, certified and mentored more than 100 referees.

500+

Bouts

100+

Referees Trained

0

Controversies

Officials Training

Referee & Judging Course

Learn amateur MMA rules, kickboxing rules, scoring techniques, fighter safety protocols, and decision-making under pressure. Receive official certification to referee and judge amateur events.

UB Officials CourseISKA Certification Course

Next Course — Coming Soon

Stay tuned for the next officials certification course

Amateur BoxingAmateur KickboxingSiam Rules CombatAmateur MMANoGi Submission GrapplingPro Siam Rules CombatPro MMA

Our History

Sixteen Years In The Making

From invitation-only fight nights in a Mount Austin gym in 2010, through the bars of Danga Bay and the Plaza Sentosa rooftop, to mall arenas across Johor — Ultimate Beatdown has crowned champions and launched pros for over a decade. Every era, one mission: give Malaysia its fight.

Read Full History →

The Rules

Know The Ruleset

Boxing, Kickboxing, Siam Rules Combat, MMA and Grappling — each discipline has its own weight classes, round formats and judging criteria. Read the full official ruleset before you step in.

View Rules →
About | Ultimate Beatdown