Pereira won the 1988 Junior Tournaments of the French Open, Wimbledon and the U.S. Open and was subsequently a professional tennis player. He made the following year to talk through victories over players like Brad Gilbert, Tim Mayotte and Stefan Edberg of itself. However, he did not succeed at first, to win a title. He was more successful in doubles competition, 1990, he won with Kelly Evernden the tournament in Wellington and stood with Diego Nargiso in the final in Rotterdam. The following year he defended his title with Luiz Mattar in Wellington and reached to the side of Pete Sampras the finale of Orlando. During this time he played in the individual mainly on the ATP Challenger Tour, where he won the tournaments of Lins, São Paulo and Guaruja. 1994 Pereira won in Bogotá his first individual title on the ATP World Tour, his second and last title came in 1996 in Newport, the same year he celebrated at the side of David Rikl also his third and final doubles title. Its highest listing in the tennis world ranking he reached in 1996 with position 74 in single and in 1990 with position 44 in doubles.
His best individual result at a Grand Slam tournament was reaching the third round of the U.S. Open 1995. In the doubles competition, he advanced at the French Open, Wimbledon and the U.S. Open each to the last sixteen.
Pereira played 1987-1997 35 single and 17 double batches for the Venezuelan Davis Cup team. His greatest success with the team was participating in the World Group Relegation in 1995 against Denmark. In the tight 2-3 defeat, he was able to win on the side of Maurice Ruah the double and the single against Frederik Fetterlein, losing to Kenneth Carlsen. At the 1996 Summer Olympics he performed for Venezuela in singles and in doubles. With Juan Carlos Bianchi was defeated in the first round of the Japanese double. He could win his Erstrundenbegegnung against Hernán Gumy and retired in the second round to eventual bronze medalist Leander Paes from.