2009 Estoril Open
The 2009 Estoril Open was a tennis tournament played on outdoor clay courts. It was the 20th edition of the Estoril Open for the men (the 13th for the women), and was part of the ATP World Tour 250 series of the 2009 ATP World Tour, and of the International-level tournaments of the 2009 WTA Tour. Both the men's and the women's events took place at the Estádio Nacional in Oeiras, Portugal, from 2 May through 10 May 2009.
| 2009 Estoril Open | |
|---|---|
| Date | 2–10 May | 
| Edition | 20th (ATP) / 13th (WTA) | 
| Surface | Clay / outdoor | 
| Location | Oeiras, Portugal | 
| Venue | Estádio Nacional | 
| Champions | |
| Men's singles | |
| Women's singles | |
| Men's doubles | |
| Women's doubles | |
The men's draw was headlined by Gilles Simon, former 2002 and 2006 champion David Nalbandian and 2003 champion Nikolay Davydenko. Other players included David Ferrer, Mardy Fish and 2001 champion Juan Carlos Ferrero.
The women's draw was headlined by 2004 and 2008 finalist Iveta Benešová and 2008 champion Maria Kirilenko. Other players included Shahar Pe'er and Anna-Lena Grönefeld.
ATP entrants
    

Seeds
    
| Player | Nationality | Ranking* | Seeding | 
|---|---|---|---|
| Gilles Simon | 7 | 1 | |
| Nikolay Davydenko | 11 | 2 | |
| David Ferrer | 14 | 3 | |
| James Blake | 16 | 4 | |
| David Nalbandian | 18 | 5 | |
| Mardy Fish | 28 | 6 | |
| Albert Montañés | 33 | 7 | |
| Florent Serra | 48 | 8 | 
- Seedings are based on the rankings of April 27, 2009.
 
Other entrants
    
The following players received wildcards into the main draw:
The following players received entry from the qualifying draw:
WTA entrants
    
    Seeds
    
| Player | Nationality | Ranking* | Seeding | 
|---|---|---|---|
| Iveta Benešová | 29 | 1 | |
| Maria Kirilenko | 38 | 2 | |
| Sorana Cîrstea | 40 | 3 | |
| Sabine Lisicki | 42 | 4 | |
| Petra Kvitová | 48 | 5 | |
| Ekaterina Makarova | 51 | 6 | |
| Shahar Pe'er | 53 | 7 | |
| Anna-Lena Grönefeld | 57 | 8 | 
- Seedings are based on the rankings of April 27, 2009.
 
Other entrants
    
The following players received wildcards into the main draw:
The following players received entry from the qualifying draw:
Finals
    

Men's singles
    
 Albert Montañés defeated 
 James Blake, 5–7, 7–6(8–6), 6–0
- It was Montañés' first title of the year and second of his career.
 
Women's singles
    
 Yanina Wickmayer defeated 
 Ekaterina Makarova, 7–5, 6–2
- It was Wickmayer's first career title.
 
Men's doubles
    
 Eric Butorac / 
 Scott Lipsky defeated 
 Martin Damm / 
 Robert Lindstedt, 6–3, 6–2
Women's doubles
    
 Raquel Kops-Jones / 
 Abigail Spears defeated 
 Sharon Fichman / 
 Katalin Marosi, 2–6, 6–3, [10–5]