Guarujá Open

Guaruja Open
Defunct tennis tournament
Event name	Guaruja (1981–83/1987–1992)
Tour	ATP Tour (1990–92) Grand Prix circuit (1981–83/1987–89)
Founded	1981
Abolished	1992
Editions	8
Surface	Carpet (1981) Clay (1982–1992)

The Guarujá Open was a men's tennis tournament held in Guarujá, Brazil.

The tournament was originally part of the Grand Prix tennis circuit, it was played on a carpet surface in its introductory year of 1981 before switching to clay courts in 1982 until its last year in 1992. The tournament was suspended from the tour from 1984 to 1986.

In 1982 the event was downgraded to an ATP Challenger Series tournament for one year and a separate Challenger tournament was played in 1992. Two separate tournaments were played in 1991, one in February and one in November.

Brazilian tennis players enjoyed great success at the tournament, with all but two of the nine finals featuring a Brazilian and the home representatives winning four times (and Luiz Mattar three times consecutively).

During 1991, two tournaments were played at Guarujá, both part of the ATP World Series. The second event, held in November, was played for the first and only time and referred to as the Philips Open. There is some confusion about the exact location of the tournament, with the ATP and ITF stating it was in Guarujá but other sources saying São Paulo.

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