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    Tani-otoshi

    谷落 · たにおとし · valley drop · said TAH-nee oh-TOH-shee

    Also known as rear takedown (English)

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    Demonstrations

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    Illustration: source not recorded. Rights and removal
    Tani-otoshi illustration

    The IJF publishes an animation of Tani-otoshi: watch it on judo.ijf.org.

    About this technique

    Tori slides a leg behind uke's legs and drops to the side, taking uke straight backwards over the barrier.

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    A technique to pull and throw down the opponent by breaking his balance backward and laying down the body onto the left side while sliding the left leg behind him.
    The Kodokan's definition

    Key points

    1. Slide the leg deep behind both of uke's heels
    2. Drop onto your side, driving uke back over your leg
    3. Keep your head clear of uke's fall line

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    Yoko-sutemi-waza (side sacrifice techniques) · Gokyo 4th set

    At a glance

    , classification, Gokyo set, Kodokan number, contest rules, grades that require it
    What it is
    Nage-waza (throwing techniques), Yoko-sutemi-waza (side sacrifice techniques).
    Gokyo
    4th set (Dai-yonkyo).
    Kodokan number
    502 (TNO).
    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. From a right-handed grip, move to your partner's right side as their weight settles back, or as they defend a forward attack.
    2. Slide your left leg deep along the mat behind both of their heels, your leg lying like a bar across the backs of their ankles.
    3. Drop onto your left side, close against them, chest still facing them.
    4. As you fall, drive them backwards over the barring leg with both hands, sleeve pulling down, lapel hand pressing back.
    5. They fall straight back over your leg and land on their back beside you. Keep your head tucked away from their fall line, and keep the sleeve in hand.

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    Receiving it

    A leg slides along the mat behind both your heels and their body drops beside you: pressed back over the bar of their leg, there is nowhere to step. Fall backwards with your chin tucked and slap with your free arm; because their body is beside yours, expect a close landing and keep your elbows in.

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    VI judo notes

    The barring leg is slid along the mat, which is the safest way to place something you cannot see: it finds the backs of their heels by contact and can never be too high. Drop onto your side close beside them with your head tucked out of their fall line. As uke, a leg arriving behind your ankles is the warning, and the fall goes straight back.

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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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    Grips that lead to it

    In combinations, counters and transitions

    , 3 recorded, 15 awaiting review

    15 more pairs involving it are recorded and awaiting review before they get a page. A video that shows one of them is what gets it reviewed: suggest one.

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    Grip plans that reach it

    Reference pages elsewhere

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