Competition-oriented, it still takes several rounds, and it often takes a long time because of unarmed combat and close competition. Compared with weapons, you should either save some strength to block them, or the full armor combat defense is extremely high, and it will not be fast.
However, in the anti-Japanese battlefield, if you don't kill people, you will be killed. Strength is not necessarily equal. Most of the two sides are armed, so it must be much faster. High skills and weapons. Well, one-on-one combat is really a knife to kill.