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Two Kendo practitioners during a men strike exchange

Yūkō-datotsu

Yūkō-datotsu is a valid Kendo scoring action judged through target, shinai contact, blade alignment, posture, energetic commitment and zanshin.

A Judo referee signals while two judoka continue ground action

Judo Rules

Current IJF Judo rules explained: contest time, ippon, waza-ari, yuko, pins, penalties, golden score, gripping, leg grabs, and national differences.

A Judo referee raising one arm above the head to signal ippon between two competitors

Ippon

Ippon is Judo’s full score: it ends a contest when awarded for a qualifying throw, hold, submission, or combined scores under current rules.