1989 Swatch Open
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| 1989 Swatch Open | |
|---|---|
| Date | April 17 – April 23 |
| Edition | 18th |
| Champions | |
| Singles | |
 Andrei Chesnokov |
|
| Doubles | |
 Ricki Osterthun / Udo Riglewski |
|
The 1989 Swatch Open was a tennis tournament played on outdoor clay courts at the Nice Lawn Tennis Club in Nice in France and was part of the 1989 Nabisco Grand Prix. The tournament took place from April 17 through April 23, 1989.
Champions
Men's Singles
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Andrei Chesnokov defeated 
Jérôme Potier 6–4, 6–4
- It was Chesnokov's 1st title of the year and the 3rd of his career.
Men's Doubles
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Ricki Osterthun / Udo Riglewski defeated 
Heinz Günthardt / 
Balázs Taróczy 7–6, 6–7, 6–1
- It was Osterthun's only title of the year and the 4th of his career. It was Riglewski's 2nd title of the year and the 4th of his career.
