| Hand to the head | A foul under WKO rules | Legal and central under every kickboxing rule set |
| Low kicks | A core weapon, to the thigh | Low Kick and K-1: legal. Full Contact: kicks to hip, knee and shin are fouls |
| Knees | Legal | Full Contact and Low Kick: forbidden. K-1 rules: allowed to legs, body or head, one knee per neck grab |
| Clinch | Kakaekomi (hugging and holding) is a foul; holding beyond a second draws a warning | Full Contact and Low Kick: intentional clinching forbidden. WAKO K-1: active clinch for five seconds. GLORY: clinch only to land a single knee, then release |
| Sweeps and throws | Throws are fouls; a foot sweep followed by a timed downward punch scores waza-ari | Full Contact and Low Kick: ankle-level sweeps allowed. GLORY: all sweeps and throws banned. K-1 WGP: all grabbing forbidden |
| Gloves and rounds | None specified; continuous bout with extensions | 10 oz gloves in WAKO; 8 or 10 oz in GLORY by weight; three two-minute rounds amateur, three by three in GLORY and K-1 |
| How a bout is won | Ippon, two waza-ari, or referee decision | Judges' points per round, KO or stoppage; GLORY stops a bout at three knockdowns in a round |