Callum Smith knocked out Mathieu Bauderlique on Anthony Joshua's undercard in Saudi Arabia on Saturday night.
Smith looked sensational against the tricky Frenchman, who looked to throw bombs early on with Smith taking his time in the pocket and looking to simply outbox his opponent.
But with the Frenchman continuing to throw big shots, the Liverpudlian saw an opportunity and threw an excellent counter left to drop his opponent.
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Bauderlique was able to get up quickly from the first knockdown, but Smith kept putting it on him and had him up against the ropes.
Bauderlique continued to look for the big shots, throwing looping overhand rights and that would be his downfall.
Smith picked his time perfectly and landed a beautiful counter left to leave the Frenchman out for the count.
The win now sets Smith up for a world championship fight against Artur Beterbiev, with the victor becoming mandatory challenger for the WBC light-heavyweight title.