How to calculate the cross kick in taekwondo competition is to knock the opponent's KO with his tibia.

Sorry, I want to correct the above one. Taekwondo didn't say sweeping and whipping.

In fact, judging a foul mainly depends on the referee, and only when you foul will the referee record it.

Kicking from above the ankle to below the knee should be allowed in the game, especially at the beginning of the double flight. As long as you knock him down, you win. I watched an Olympic video, which belongs to the men's team. I forgot that man's name. His killer weapon is a two-way KO opponent, deliberately not using ankles and feet, so the strength is enough. I just think that after this, the threesome will never need to be below the ankle again. )

If you are fouled, it is the referee's problem. Everyone has his own preferences and experience as a referee, and some are third-rate referees. If you hit someone, he can't see. If someone doesn't hit you, he will give points. Even so, there is nothing you can do.