| Doubles | |
|---|---|
| 1989 DHL Open | |
| 1988 Champions |  Natalia Bykova Natalia Medvedeva |
| Champions |  Belinda Cordwell  Elizabeth Smylie |
| Runners-up |  Ann Henricksson Beth Herr |
| Score | 6–7, 6–2, 6–1 |
| Draw | 16 |
| Seeds | 4 |
Natalia Bykova and Natalia Medvedeva were the defending champions but did not compete that year.
Belinda Cordwell and Elizabeth Smylie won in the final 6–7, 6–2, 6–1 against Ann Henricksson and Beth Herr.
Champion seeds are indicated in bold text while text in italics indicates the round in which those seeds were eliminated.
Belinda Cordwell / Elizabeth Smylie (champions) Ann Henricksson / Beth Herr (final) Louise Allen / 
Iwona Kuczyńska (semifinals)
Maria Lindström / Heather Ludloff (semifinals)| First round | Quarterfinals | Semifinals | Final | ||||||||||||||||||||||||
| 1 | B Cordwell E Smylie | 6 | 6 | ||||||||||||||||||||||||
 A Kijimuta M Yanagi | 3 | 2 | 1 | B Cordwell E Smylie | 6 | 4 | 6 | ||||||||||||||||||||
| L O'Neill M Werdel | 1 | 7 | 6 | L O'Neill M Werdel | 4 | 6 | 4 | ||||||||||||||||||||
A Grousbeck  K Kschwendt | 6 | 5 | 1 | 1 | B Cordwell E Smylie | 7 | 6 | ||||||||||||||||||||
| 4 | M Lindström H Ludloff | 6 | 6 | 4 | M Lindström H Ludloff | 6 | 2 | ||||||||||||||||||||
 C Singer  S Wasserman | 4 | 2 | 4 | M Lindström H Ludloff | 6 | 7 | 6 | ||||||||||||||||||||
 A Hobbs M Jaggard | 6 | 6 | A Hobbs M Jaggard | 7 | 6 | 3 | |||||||||||||||||||||
A Devries  E Krapl | 1 | 2 | 1 | Belinda Cordwell Elizabeth Smylie | 6 | 6 | 6 | ||||||||||||||||||||
A Nishiya  P Moreno | 2 | 4 | 2 | Ann Henricksson Beth Herr | 7 | 2 | 1 | ||||||||||||||||||||
 R Field A Minter | 6 | 6 | R Field A Minter | 1 | 6 | 4 | |||||||||||||||||||||
 C Bakkum H Witvoet | 4 | 7 | 6 | 3 | L Allen I Kuczyńska | 6 | 2 | 6 | |||||||||||||||||||
| 3 | L Allen I Kuczyńska | 6 | 6 | 7 | 3 | L Allen I Kuczyńska | 5 | 7 | 4 | ||||||||||||||||||
| R Hiraki N Miyagi | 6 | 6 | 2 | A Henricksson B Herr | 7 | 6 | 6 | ||||||||||||||||||||
| E Okagawa K Okamoto | 4 | 3 | R Hiraki N Miyagi | 5 | 1 | ||||||||||||||||||||||
| M Pawlik M Strebel | 1 | 3 | 2 | A Henricksson B Herr | 7 | 6 | |||||||||||||||||||||
| 2 | A Henricksson B Herr | 6 | 6 | ||||||||||||||||||||||||
Zina Garrison was the defending champion but did not compete that year.
Betsy Nagelsen and Elizabeth Smylie were the defending champions but they competed with different partners that year, Nagelsen with Lori McNeil and Smylie with Jana Novotná.
Gretchen Magers was the defending champion but lost in the quarterfinals to Sara Gomer.
Anna-Maria Fernandez and Julie Richardson were the defending champions but they competed with different partners that year, Fernandez with Louise Field and Richardson with Belinda Cordwell.
The singles tournament for the 1988 Taipei Women's Championships was a 32-draw with qualifiers.
The doubles tennis tournament for the 1988 Taipei Women's Championships was a 16-team single-elimination tournament.
Svetlana Parkhomenko and Larisa Savchenko were the defending champions but they competed with different partners that year, Parkhomenko with Leila Meskhi and Savchenko with Natasha Zvereva.
The 1989 DHL Open was a women's tennis tournament played on outdoor hard courts at the Kallang Tennis Centre in Singapore and was part of the Category 1 tier of the 1989 Virginia Slims World Championship Series. The tournament took place from 10 April through 16 April 1989. Second-seeded Belinda Cordwell won the singles title and earned $12,000 first-prize money.
Ann Henricksson and Christiane Jolissaint were the defending champions but only Henricksson competed that year with Gretchen Magers.
Patty Fendick and Jill Hetherington were the defending champions and won in the final 6–4, 6–4 against Elizabeth Smylie and Janine Tremelling.
Steffi Graf and Gabriela Sabatini were the defending champions but only Sabatini competed that year with Betsy Nagelsen.
Monique Javer was the defending champion but lost in the semifinals to Akiko Kijimuta.
Patty Fendick was the defending champion but did not compete that year.
Gigi Fernández and Robin White were the defending champions but did not compete that year.
The singles tournament of the 1989 Taipei Women's Championships was a 32-draw single elimination tournament.
Patty Fendick and Ann Henricksson were the defending doubles tennis champions at the 1989 Taipei Women's Championships, but only Henricksson competed that year, with Beth Herr. They lost in the first round to Cecilia Dahlman and Nana Miyagi.
Eva Pfaff and Elizabeth Smylie were the defending champions but they competed with different partners that year, Pfaff with Manon Bollegraf and Smylie with Wendy Turnbull.
Gretchen Magers was the defending champion but lost in the semifinals to Laura Gildemeister.
Five-time defending champions Martina Navratilova and Pam Shriver successfully defended their title, defeating Chris Evert and Wendy Turnbull in the final 6–0, 7–5 to win the women's doubles tennis title at the 1988 Australian Open.
Six-time defending champions Martina Navratilova and Pam Shriver successfully defended their title, defeating Patty Fendick and Jill Hetherington in the final, 3–6, 6–3, 6–2 to win the women's doubles tennis title at the 1989 Australian Open.