From One FC 28 comes the greatest groin attack in the history of combat sports. Flyweight Ze Wu took on Jianbing Yang, and in the second round, he unleashed a flying, spinning, no-hands, cartwheeling nut-stomp.
While the groin attack was illegal, Ze Wu did end up winning the bout by decision.
https://youtu.be/eThWeIyVq6s
(H/T to @BasedDongeezus, which is the best name to provide this amazing footage)