ATP Singapore Open
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