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.

Year	Champions	Runners-up	Score
1989	Kelly Jones	Amos Mansdorf	6–1, 7–5
1990	Kelly Jones	Richard Fromberg	6–4, 2–6, 7–6
1991	Jan Siemerink	Gilad Bloom	6–4, 6–3
1992	Simon Youl	Paul Haarhuis	6–4, 6–1
1993–1995	Not held
1996	Jonathan Stark	Michael Chang	6–4, 6–4
1997	Magnus Gustafsson	Nicolas Kiefer	4–6, 6–3, 6–3
1998	Marcelo Ríos	Mark Woodforde	6–4, 6–2
1999	Marcelo Ríos	Mikael Tillström	6–2, 7–6
2000–2020	Not held
2021	Alexei Popyrin	Alexander Bublik	4–6, 6–0, 6–2

Year	Champions	Runners-up	Score
1989	Rick Leach Jim Pugh	Paul Chamberlin Paul Wekesa	6–3, 6–4
1990	Mark Kratzmann Jason Stoltenberg	Brad Drewett Todd Woodbridge	6–1, 6–0
1991	Grant Connell Glenn Michibata	Stefan Kruger Christo van Rensburg	6–4, 5–7, 7–6
1992	Todd Woodbridge Mark Woodforde	Grant Connell Glenn Michibata	6–7, 6–2, 6–4
1993–1995	Not held
1996	Todd Woodbridge Mark Woodforde	Martin Damm Andrei Olhovskiy	7–6, 7–6
1997	Mahesh Bhupathi Leander Paes	Rick Leach Jonathan Stark	6–4, 6–4
1998	Todd Woodbridge Mark Woodforde	Mahesh Bhupathi Leander Paes	6–2, 6–3
1999	Max Mirnyi Eric Taino	Todd Woodbridge Mark Woodforde	6–3, 6–4
2000–2020	Not held
2021	Sander Gillé Joran Vliegen	Matthew Ebden John-Patrick Smith	6–2, 6–3

• Singapore Open Championships (official ITF combined event 1921 to 1986)
• WTA Singapore Open – women's tournament

• ATP results archive