Date of Birth: 
Place of Birth: São Paulo, Brazil
About Jaime Oncins
- Jaime Oncins (born 16 June 1970) is a former professional tennis player from Brazil. Oncins represented his native country at the 1992 Summer Olympics in Barcelona, where he reached the quarterfinals before falling to Russia's Andrei Cherkasov.
- The right-hander won two individual career titles (Bologna and Búzios, both in 1992).
- He reached his highest singles ATP-ranking on May 3, 1993, when he became world no.
- 34. Oncins' best performance at a major was at the 1992 French Open, where he reached the Round of 16, losing to eventual finalist, Petr Korda.
- In the second round of the tournament, Oncins had a famous victory from two sets down against former world no.
- 1 and three-time French Open champion, Ivan Lendl.
- Oncins was also the last player that Jimmy Connors beat at the US Open.
- Connors beat Oncins in straight sets in the first round of the 1992 US Open, which was on Connors' 40th birthday. Oncins was a runner-up in the Roland Garros mixed doubles event in 2001, with Paola Suárez from Argentina.
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