1999 Estoril Open

The 1999 Estoril Open was a tennis tournament played on outdoor clay courts at the Estoril Court Central in the Oeiras Municipality in Portugal that was part of the International Series of the 1999 ATP Tour and of Tier IVa of the 1999 WTA Tour. The tournament was held from 5 April until 12 April 1999. Albert Costa and Katarina Srebotnik won the singles title.

Seeds

 * Ranking date: 29 March 1999

Other entrants
The following players received wildcards into the singles main draw:
 * Ana Catarina Nogueira
 * 🇧🇷 Vanessa Menga

The following players received wildcards into the doubles main draw:
 * Angela Cardoso / Cristina Correia

The following players received entry from the singles qualifying draw:
 * 🇩🇪 Anca Barna
 * 🇧🇪 Laurence Courtois
 * 🇪🇸 Cristina Torrens Valero
 * 🇭🇺 Anna Földényi

The following players received entry as a lucky loser:
 * 🇪🇸 Eva Bes Ostariz
 * 🇧🇬 Lubomira Bacheva

The following player received entry from the doubles qualifying draw:
 * 🇮🇳 Nirupama Vaidyanathan / 🇷🇴 Andreea Vanc

Men's singles
🇪🇸 Albert Costa defeated 🇺🇸 Todd Martin, 7–6(7–4), 2–6, 6–3
 * It was Costa's 1st title of the year and the 9th of his career.

Women's singles
Katarina Srebotnik defeated 🇭🇺 Rita Kuti-Kis, 6–3, 6–1
 * It was Srebotnik's 1st title of the year and the 2nd of her career.

Men's doubles
🇪🇸 Tomás Carbonell / 🇺🇸 Donald Johnson defeated 🇨🇿 Jiří Novák / 🇨🇿 David Rikl, 6–3, 2–6, 6–1

Women's doubles
🇪🇸 Alicia Ortuño / 🇪🇸 Cristina Torrens Valero defeated 🇭🇺 Anna Földényi / 🇭🇺 Rita Kuti-Kis, 7–6(7–4), 3–6, 6–3