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    Uchi-mata-sukashi

    内股透 · うちまたすかし · inner thigh throw slip · said OO-chee MAH-tah soo-KAH-shee

    The Kodokan calls this Uchi-mata-sukashi (内股すかし).

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    Demonstrations

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    About this technique

    The counter that empties uchi-mata: as the sweeping leg rises, tori slips the attacked leg aside so the sweep meets nothing, and steers the attacker's committed rotation to the mat with the hands alone. A recognised Kodokan hand technique and one of judo's most elegant counters.

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    A technique to fend off the opponent’s Uchi-mata attempt and throw him down.
    The Kodokan's definition

    Key points

    1. Slip the target leg aside a fraction before the sweep bites
    2. Their own rotation does the throwing; your hands only steer
    3. No lift, no sweep of your own: timing is the entire technique

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    Te-waza (hand techniques)

    At a glance

    , classification, Gokyo set, Kodokan number, contest rules, grades that require it
    What it is
    Nage-waza (throwing techniques), Te-waza (hand techniques).
    Kodokan number
    115 (UMS).
    Contest rules
    No rule singles it out.
    Required for

    Step by step

    These steps describe the standard right-handed form without relying on the video.

    1. Your partner attacks with the inner thigh throw, turning in and sweeping a leg up between yours.
    2. In the moment before their thigh contacts yours, shift the target leg aside, a small step or turn of the hips, so the sweep rises through empty air.
    3. Their rotation is already committed: keep your grips and steer it onward with both hands, around and down.
    4. Turn your body with the steer so their missed throw becomes your throw.
    5. They land on their back in front of you, thrown by their own attack; keep the sleeve for the landing.

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    Receiving it

    You attack uchi-mata and the leg you meant to lift is simply not there: your own turn carries on into the mat. It is a big committed fall from your own momentum, so tuck your chin, keep turning, and take a full forward breakfall; being countered cleanly is part of learning the attack.

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    VI judo notes

    The counter needs their attack to be committed, which you know from the pressure of their turn arriving in your hands. Move the target leg a small step aside so the sweep rises through nothing, then keep both grips and steer the rotation they have already started. It is thrown entirely by the hands, which is why it reads so well without sight.

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    In competition

    , how often it scores at IJF level, and two contests where it worked

    Senior IJF competition, 2020 to 2026, from 73,099 contests. Counts scores, not attempts.

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    In combinations, counters and transitions

    , 1 recorded

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    Reference pages elsewhere

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