Oi-zuki
Stepping punch
Long-range punch delivered with the lead step — common entry scoring tool.
- Step and punch finish together
- Hips drive the hand; shoulder stays down
- Recover guard immediately after contact

Sparring · Competition-style primer
Techniques, scoring language, and aka/ao etiquette in plain English. Written for parents and new competitors — not a copy of any official rulebook, and not a trademark claim.
Also see Kata →Stepping punch
Long-range punch delivered with the lead step — common entry scoring tool.
Reverse punch
Rear-hand punch — the classic counter after a kick or slip.
Front kick
Straight front kick to the midsection — fast, linear, hard to see early.
Roundhouse kick
Circular kick to body or head — high reward when timed on an open guard.
Side kick
Sideways thrusting kick — strong for creating distance or body scores.
Back kick
Spinning or turning back kick — surprise weapon when the opponent over-commits.
One-point score — typically a clean mid-level punch or equivalent.
Two-point score — commonly a chudan kick delivered with form and timing.
Three-point score — typically a jodan kick or a decisive throwing-linked score.
Red (aka) and blue (ao) corners — colours identify each athlete on the tatami.
First unscored lead — the athlete who opens the scoring may hold senshu.
Scoring names (yuko, waza-ari, ippon) and aka/ao are used as common sport-karate vocabulary. Confirm the sheet for your event.