Shingo Kai

{{short description|Japanese water polo player}}

{{Use dmy dates|date=March 2020}}

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| sport = Water polo

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| birth_date = {{Birth date and age|1963|1|8}}

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{{MedalCountry|{{flagu|Japan}}}}

{{MedalCompetition|Asian Games}}

{{MedalSilver|1982 New Delhi|Men's tournament}}

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{{Nihongo|Shingo Kai|甲斐 真吾|Kai Shingo|born 8 January 1963}} is a Japanese former water polo player who competed in the 1984 Summer Olympics.{{cite Sports-Reference |url=https://www.sports-reference.com/olympics/athletes/ka/shingo-kai-1.html |archive-url=https://web.archive.org/web/20200417211733/https://www.sports-reference.com/olympics/athletes/ka/shingo-kai-1.html |url-status=dead |archive-date=17 April 2020 |accessdate=21 June 2012}}