The "Nihonshoki" states 'The emperor entertained ambassadors from Paekche including Chishaku TAISAHEI at the Imperial Court, and he told strong men to have sumo matches in front of Gyogi,' kondei (regular soldiers guarding kokubu (ancient provincial offices)) had sumo matches to entertain a royal envoy from Paekche on August 15, 642.
『日本書紀』の皇極天皇元年（642年）7月12日(旧暦)「乙亥饗百濟使人大佐平智積等於朝或本云百濟使人大佐平智積及兒達率闕名恩率軍善乃命健兒相撲於翹岐前」にあるとおり百済の王族の使者をもてなすため、健児（こんでい・ちからひと）に相撲を取らせたことが書かれている。