2011 Estoril Open
| 2011 Estoril Open | |
|---|---|
| Date | April 23–May 1 |
| Edition | 22nd |
| Surface | Clay / Outdoor |
| Champions | |
| Men's Singles | |
 Juan Martín del Potro | |
| Women's Singles | |
 Anabel Medina Garrigues | |
| Men's Doubles | |
 Eric Butorac /  Jean-Julien Rojer | |
| Women's Doubles | |
 Alisa Kleybanova /  Galina Voskoboeva | |
The 2011 Estoril Open was a tennis tournament played on outdoor clay courts. It was the 22nd edition of the Estoril Open, and was part of the ATP World Tour 250 series of the 2011 ATP World Tour, and of the International-level tournaments of the 2011 WTA Tour. Both the men's and the women's events took place at the Estádio Nacional in Oeiras, Portugal, from April 23 through May 1, 2011.
ATP entrants
Seeds
| Country | Player | Rank1 | Seed |
|---|---|---|---|
 SWE |
Robin Söderling | 5 | 1 |
| ESP |
Fernando Verdasco | 12 | 2 |
 FRA |
Jo-Wilfried Tsonga | 18 | 3 |
| FRA |
Gilles Simon | 22 | 4 |
 CAN |
Milos Raonic | 28 | 5 |
 BRA |
Thomaz Bellucci | 32 | 6 |
 RSA |
Kevin Anderson | 35 | 7 |
| ARG |
Juan Martín del Potro | 46 | 8 |
- Seedings are based on the rankings of April 18, 2011.
Other entrants
The following players received wildcards into the main draw:
The following players received entry from the qualifying draw:
WTA Entrants
Seeds
| Country | Player | Rank1 | Seed |
|---|---|---|---|
| RUS |
Alisa Kleybanova | 25 | 1 |
 AUS |
Jarmila Gajdošová | 30 | 2 |
 CZE |
Klára Zakopalová | 35 | 3 |
 LAT |
Anastasija Sevastova | 38 | 4 |
| USA |
Bethanie Mattek-Sands | 41 | 5 |
| RUS |
Elena Vesnina | 45 | 6 |
 CHN |
Zheng Jie | 51 | 7 |
 HUN |
Gréta Arn | 52 | 8 |
- Seedings are based on the rankings of April 18, 2011.
Other entrants
The following players received wildcards into the main draw:
The following players received entry from the qualifying draw:
Champions
Men's singles
Juan Martín del Potro def. Fernando Verdasco, 6–2, 6–2
- It was del Potro' 2nd title of the year and 9th of his career.
Women's singles
Anabel Medina Garrigues def. 
Kristina Barrois, 6–1, 6–2.
- It was Medina Garrigues' 1st title of the year and 10th of her career.
Men's doubles
Eric Butorac / Jean-Julien Rojer def. Marc López / David Marrero, 6–3, 6–4.
Women's doubles
Alisa Kleybanova / Galina Voskoboeva def. 
Eleni Daniilidou / 
Michaëlla Krajicek, 6–4, 6–2.