| 2012 Estoril Open | |
|---|---|
| Date | 28 April – 6 May |
| Edition | 23rd (ATP) / 16th (WTA) |
| Surface | Clay / outdoor |
| Location | Oeiras, Portugal |
| Venue | Estádio Nacional |
| Champions | |
| Men's singles | |
 Juan Martín del Potro | |
| Women's singles | |
 Kaia Kanepi | |
| Men's doubles | |
| Women's doubles | |
 Chuang Chia-jung / Zhang Shuai | |
The2012 Estoril Open was atennis tournament played on outdoorclay courts. It was the 23rd edition of theEstoril Open for the men (the 16th for the women), and was part of theATP World Tour 250 series of the2012 ATP World Tour, and of theInternational-level tournaments of the2012 WTA Tour. Both the men's and the women's events took place at theEstádio Nacional inOeiras, Portugal, from 28 April through 6 May 2012.
| Country | Player | Rank1 | Seed |
|---|---|---|---|
| ARG | Juan Martín del Potro | 10 | 1 |
 FRA | Richard Gasquet | 18 | 2 |
 SUI | Stanislas Wawrinka | 22 | 3 |
 ESP | Albert Ramos | 43 | 4 |
 UZB | Denis Istomin | 44 | 5 |
 NED | Robin Haase | 45 | 6 |
| ESP | Albert Montañés | 69 | 7 |
 ITA | Flavio Cipolla | 70 | 8 |
The following players receivedwildcards into the main draw:
The following players received entry as a special exempt into the main draw:
The following players received entry from the qualifying draw:
| Country | Player | Country | Player | Rank1 | Seed |
|---|---|---|---|---|---|
 PAK | Aisam-ul-Haq Qureshi | NED | Jean-Julien Rojer | 50 | 1 |
 USA | Eric Butorac |  BRA | Bruno Soares | 55 | 2 |
 AUS | Paul Hanley | BRA | Marcelo Melo | 67 | 3 |
 AUT | Julian Knowle | ESP | David Marrero | 84 | 4 |
The following pairs received wildcards into the doubles main draw:
| Country | Player | Rank1 | Seed |
|---|---|---|---|
| ITA | Roberta Vinci | 18 | 1 |
 RUS | Maria Kirilenko | 20 | 2 |
| ESP | Anabel Medina Garrigues | 26 | 3 |
 CZE | Petra Cetkovská | 30 | 4 |
| CHN | Zheng Jie | 32 | 5 |
| EST | Kaia Kanepi | 33 | 6 |
| RUS | Nadia Petrova | 34 | 7 |
 GER | |||
 SLO | Polona Hercog | 36 | 9 |
The following players receivedwildcards into the main draw:
The following players received entry from the qualifying draw:
The following player received entry as lucky loser:
Mona Barthel (left foot injury)Jarmila Gajdošová (left ankle injury)Polona Hercog (right foot injury)| Country | Player | Country | Player | Rank1 | Seed |
|---|---|---|---|---|---|
| RUS | RUS | ||||
 IND | Sania Mirza | AUS | Anastasia Rodionova | 27 | 2 |
 KAZ | Yaroslava Shvedova | KAZ | Galina Voskoboeva | 35 | 3 |
| AUS | Jarmila Gajdošová | CZE | Andrea Hlaváčková | 43 | 4 |
The following pairs received wildcards into the doubles main draw:
The following pairs received entry as alternates:
Maria Kirilenko (right ankle injury)Jarmila Gajdošová (left ankle injury)Juan Martín del Potro defeatedRichard Gasquet, 6–4, 6–2Kaia Kanepi defeatedCarla Suárez Navarro, 3–6, 7–6(8–6), 6–4Aisam-ul-Haq Qureshi /Jean-Julien Rojer defeatedJulian Knowle /David Marrero, 7–5, 7–5Chuang Chia-jung /Zhang Shuai defeatedYaroslava Shvedova /Galina Voskoboeva, 4–6, 6–1, [11–9]
