1989 Suntory Japan Open Tennis Championships
| 1989 Suntory Japan Open Tennis Championships | |
|---|---|
| Date | April 17 – April 23 |
| Edition | 16th |
| Category | Grand Prix (ATP) Tier V (WTA) |
| Surface | Hard / Outdoor |
| Location | Tokyo, Japan |
| Venue | Ariake Coliseum |
| Champions | |
| Men's Singles | |
 Stefan Edberg |
|
| Women's Singles | |
 Kumiko Okamoto |
|
| Men's Doubles | |
 Ken Flach / Robert Seguso |
|
| Women's Doubles | |
 Jill Hetherington /  Elizabeth Smylie |
|
The 1989 Suntory Japan Open Tennis Championships was a tennis tournament played on outdoor hard courts at the Ariake Coliseum in Tokyo in Japan that was part of the 1989 Nabisco Grand Prix and of Tier V of the 1989 WTA Tour. The tournament was held from April 17 through April 23, 1989.
Contents
Winners
Men's Singles
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Stefan Edberg defeated 
Ivan Lendl 6–3, 2–6, 6–4
- It was Edberg's 1st title of the year and the 34th of his career.
Women's Singles
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Kumiko Okamoto defeated Elizabeth Smylie 6–4, 6–2
- It was Okamoto's only title of the year and the 1st of her career.
Men's Doubles
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Ken Flach / Robert Seguso defeated Kevin Curren / David Pate 7–6, 7–6
- It was Flach's 1st title of the year and the 25th of his career. It was Seguso's 1st title of the year and the 25th of his career.
Women's Doubles
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Jill Hetherington / Elizabeth Smylie defeated Ann Henricksson / Beth Herr 6–1, 6–3
- It was Hetherington's 3rd title of the year and the 9th of her career. It was Smylie's 3rd title of the year and the 24th of her career.
