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 Category 2 of the 1989 WTA Tour. The tournament was held from April 17 through April 23, 1989. Stefan Edberg and Kumiko Okamoto won the singles titles.
| 1989 Suntory Japan Open Tennis Championships | |
|---|---|
| Date | 17–23 April |
| Edition | 16th |
| Category | Grand Prix (ATP) Tier V (WTA) |
| Surface | Hard / outdoor |
| Location | Tokyo, Japan |
| Venue | Ariake Coliseum |
| Champions | |
| Men's singles | |
 Stefan Edberg[1] | |
| Women's singles | |
 Kumiko Okamoto | |
| Men's doubles | |
 Ken Flach / Robert Seguso[2] | |
| Women's doubles | |
 Jill Hetherington /  Elizabeth Smylie | |
Finals edit
Men's singles edit
Stefan Edberg defeated 
Ivan Lendl 6–3, 2–6, 6–4
- It was Edberg's 1st singles title of the year and the 34th of his career.
Women's singles edit
Kumiko Okamoto defeated Elizabeth Smylie 6–4, 6–2
- It was Okamoto's only singles title of the year and the 1st of her career.
Men's doubles edit
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 edit
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.
References edit
- ^ "1989 Tokyo Men's Singles draw". Association of Tennis Professionals (ATP).
- ^ "1989 Tokyo Men's Doubles draw". Association of Tennis Professionals (ATP).