2012 Estoril Open

The 2012 Estoril Open was a tennis tournament played on outdoor clay courts. It was the 23rd edition of the Estoril Open for the men (the 16th for the women), and was part of the ATP World Tour 250 series of the 2012 ATP World Tour, and of the International-level tournaments of the 2012 WTA Tour. Both the men's and the women's events took place at the Estádio Nacional in Oeiras, Portugal, from 28 April through 6 May 2012.

Seeds

 * Seedings are based on the rankings of April 23, 2012

Other entrants
The following players received wildcards into the main draw:
 * Gastão Elias
 * João Sousa
 * Pedro Sousa

The following players received entry as a special exempt into the main draw:
 * 🇭🇺 Attila Balázs

The following players received entry from the qualifying draw:
 * 🇪🇸 Íñigo Cervantes
 * 🇪🇸 Javier Martí
 * 🇪🇸 Daniel Muñoz de la Nava
 * 🇪🇸 Iván Navarro

Withdrawals

 * 🇦🇷 Carlos Berlocq
 * 🇦🇷 Juan Ignacio Chela
 * 🇫🇷 Gaël Monfils

Retirements

 * 🇺🇿 Denis Istomin

Seeds

 * Rankings are as of April 23, 2012

Other entrants
The following pairs received wildcards into the doubles main draw:
 * Gastão Elias / João Sousa
 * Frederico Gil / Pedro Sousa

Seeds

 * Seedings are based on the rankings of April 23, 2012

Other entrants
The following players received wildcards into the main draw:
 * 🇷🇺 Nina Bratchikova
 * Maria João Koehler
 * Bárbara Luz

The following players received entry from the qualifying draw:
 * 🇩🇪 Kristina Barrois
 * 🇮🇹 Karin Knapp
 * 🇪🇸 María Teresa Torró Flor
 * 🇬🇧 Heather Watson

The following player received entry as lucky loser:
 * 🇺🇸 Sloane Stephens

Withdrawals

 * 🇩🇪 Mona Barthel (left foot injury)

Retirements

 * 🇦🇺 Jarmila Gajdošová (left ankle injury)
 * Polona Hercog (right foot injury)

Seeds

 * 1 Rankings are as of April 23, 2012

Other entrants
The following pairs received wildcards into the doubles main draw: The following pairs received entry as alternates:
 * 🇷🇺 Ekaterina Ivanova / Maria João Koehler
 * Margarida Moura / Joana Valle Costa
 * 🇪🇸 Estrella Cabeza Candela / Bárbara Luz

Withdrawals

 * 🇷🇺 Maria Kirilenko (right ankle injury)

Retirements

 * 🇦🇺 Jarmila Gajdošová (left ankle injury)

Men's singles

 * 🇦🇷 Juan Martín del Potro defeated 🇫🇷 Richard Gasquet, 6–4, 6–2
 * It was del Potro's 2nd title of the year and 11th of his career. It was his 2nd win at Estoril, defending his title.

Women's singles

 * 🇪🇪 Kaia Kanepi defeated 🇪🇸 Carla Suárez Navarro, 3–6, 7–6(8–6), 6–4
 * It was Kanepi's 2nd title of the year and 3rd of her career.

Men's doubles

 * 🇵🇰 Aisam-ul-Haq Qureshi / Jean-Julien Rojer defeated 🇦🇹 Julian Knowle / 🇪🇸 David Marrero, 7–5, 7–5

Women's doubles

 * Chuang Chia-jung / 🇨🇳 Zhang Shuai defeated 🇰🇿 Yaroslava Shvedova / 🇰🇿 Galina Voskoboeva, 4–6, 6–1, [11–9]