Jaime Oncins
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Jaime Oncins (born June 16, 1970 in São Paulo) is a former tennis player from Brazil, who turned professional in 1988. He represented his native country at the 1992 Summer Olympics in Barcelona, where he reached the quarter finals before falling to Russia's Andrei Cherkasov. The righthander won two individual career titles (Bologna and Buzios, both in 1992). He reached his highest singles ATP-ranking on May 3, 1993, when he became the number 34 of the world.