1989 OTB Open
| 1989 OTB Open | |
|---|---|
| Date | July 17 – July 23 (men) July 24 – July 30 (women) |
| Edition | 3rd |
| Champions | |
| Men's singles | |
 Simon Youl | |
| Women's singles | |
 Laura Gildemeister | |
| Men's doubles | |
 Scott Davis / Broderick Dyke | |
| Women's doubles | |
| Michelle Jaggard / Hu Na | |
The 1989 OTB Open was a tennis tournament played on outdoor hard courts in Schenectady, New York in the United States that was part of the 1989 Nabisco Grand Prix and of Tier V of the 1989 WTA Tour. The men's tournament was held from July 17 through July 23, 1989 while the women's tournament was held from July 24 through July 30, 1989.
Champions
Men's Singles
Simon Youl defeated Scott Davis 2–6, 6–4, 6–4
- It was Youl's only title of the year and the 1st of his career.
Women's Singles
Laura Gildemeister defeated Marianne Werdel 6–4, 6–3
- It was Gildemeister's 1st title of the year and the 4th of her career.
Men's Doubles
Scott Davis / Broderick Dyke defeated Brad Pearce / 
Byron Talbot 2–6, 6–4, 6–4
- It was Davis' 2nd title of the year and the 9th of his career. It was Dyke's only title of the year and the 7th of his career.
Women's Doubles
Michelle Jaggard / Hu Na defeated Sandra Birch / Debbie Graham 6–3, 6–2
- It was Jaggard's only title of the year and the 2nd of her career. It was Na's only title of the year and the 1st of her career.
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