Twenty-three-year-old komusubi Onosato defeats sekiwake Abi to win the Summer Grand Sumo Tournament in just his seventh tourney as a pro, making him the least-experienced champion in history.

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Tokyo , Japan , Kyodo Onosato , Ryogoku Kokugikan , Japan Sumo Association , Summer Grand Sumo Tournament , New Year , Ishikawa Prefecture , Outstanding Performance Prize , Fighting Spirit Prize ,