The Singapore Open was a Grand Prix and ATP Tour affiliated tennis tournament played from 1989 to 1992 and from 1996 to 1999.
It was known as the Epson Singapore Super Tennis until 1992 and the Heineken Open from 1996 to 1999.
It was initially played on outdoor hard courts at Kallang Tennis Centre.
For the latter four editions it was an indoor event at Singapore Indoor Stadium.