Khaos Williams vs Matthew Semelsberger — Fight recap

Khaos Williams defeated Matthew Semelsberger by unanimous decision after three rounds on June 19, 2021, with referee Herb Dean overseeing the bout. Williams landed 91 significant strikes on 260 attempts (35% accuracy) while controlling the cage for 1:53, establishing a volume-based striking advantage despite Semelsberger's cleaner 45% striking efficiency on 64 significant strikes from 141 attempts.

Neither fighter secured takedowns or submission attempts, making this a pure striking affair where Williams's leg kicks—29 of 34 landed—proved instrumental in dictating range and pace throughout the contest. Semelsberger's higher accuracy on limited output couldn't overcome Williams's relentless forward pressure and superior octagon control, which translated to a clear scorecards victory.

The result marked a solid win for Williams in the welterweight division's competitive middle tier.