1989 Estoril Open
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The 1989 Estoril Open was a tennis tournament played on outdoor clay courts at the Estoril Court Central in Estoril in Portugal that was part of Tier V of the 1989 WTA Tour. The tournament was held from July 17 through July 23, 1989.
Winners
Women's Singles
Isabel Cueto defeated Sandra Cecchini 7–6, 6–2
- It was Cueto's 1st title of the year and the 4th of her career.
Women's Doubles
Iva Budařová / Regina Rajchrtová defeated Gabriela Castro / Conchita Martínez 6–2, 6–4
- It was Budařová's only title of the year and the 4th of her career. It was Rajchrtová's only title of the year and the 1st of her career.