Former ONE Featherweight World Champion Narantungalag Jadambaa took on former ONE Lightweight World Champion Kotetsu Boku at ONE: ASCENT TO POWER in Singapore. Towards the end of the third round, Jadambaa shot in for a single-leg takedown and dragged Boku to the canvas, winding up in side control. From there, Jadambaa worked on a Von Flue choke and pulled off the rare submission.
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