convert or divert) is the Japanese name of a movement practiced in several martial arts.

[3] Strategically, tenkan is most often used to place tori back-to-back with uke.

A few attacks - techniques that commonly begin by executing tenkan include: shōmen'uchi - kaitennage; katate-dori - shihōnage; and morote-dori - kokyūnage.

Some styles of aikido practice six basic ashi sabaki (stepping/footwork) movements, of which tenkan is one.

Those six basic stepping techniques are: Tenkan is a foot move used in judo.