The 2009 Italian Open[1] [2] [3] (also known for 2009 Rome Masters[4] [5] [6] and its sponsored title 2009 Internazionali BNL d'Italia) was a tennis tournament played on outdoor clay courts. It was the 66th edition, and was part of the ATP World Tour Masters 1000 of the 2009 ATP World Tour, and of the Premier-level tournaments of the 2009 WTA Tour. Both the men's and the women's events took place at the Foro Italico in Rome, Italy, with the men playing from April 25 through May 4, 2009, and the women from May 3 through May 9, 2009.
See main article: 2009 Italian Open – Men's singles. 
Rafael Nadal defeated 
Novak Djokovic 7–6(7–2), 6–2
See main article: 2009 Italian Open – Women's singles. 
Dinara Safina defeated Svetlana Kuznetsova, 6–3, 6–2
See main article: 2009 Italian Open – Men's doubles. 
Daniel Nestor / Nenad Zimonjić defeated 
Bob Bryan / Mike Bryan, 7–6(7–5), 6–3
See main article: 2009 Italian Open – Women's doubles. Hsieh Su-wei / 
Peng Shuai defeated 
Daniela Hantuchová / 
Ai Sugiyama, 7–5, 7–6(7–5)
| Player | Country | Ranking* | Seeding | |
|---|---|---|---|---|
| Rafael Nadal | 1 | 1 | ||
| Roger Federer | 2 | 2 | ||
| Novak Djokovic | 3 | 3 | ||
| Andy Murray | 4 | 4 | ||
| Juan Martín del Potro | 5 | 5 | ||
| Fernando Verdasco | 7 | 6 | ||
| Nikolay Davydenko | 8 | 7 | ||
| Gilles Simon | 9 | 8 | ||
| Jo-Wilfried Tsonga | 11 | 9 | ||
| Stanislas Wawrinka | 12 | 10 | ||
| David Ferrer | 13 | 11 | ||
| Fernando González | 14 | 12 | ||
| Tommy Robredo | 16 | 13 | ||
| James Blake | 17 | 14 | ||
| Marin Čilić | 18 | 15 | ||
| Radek Štěpánek | 19 | 16 |
The following players received wildcards into the main draw:
The following players received entry from the qualifying draw:
Mikhail Youzhny
Juan Mónaco Daniel Gimeno Traver
Jan Hernych
Victor Crivoi
Thomaz Bellucci| Player | Country | Ranking* | Seeding | |
|---|---|---|---|---|
| Dinara Safina | 1 | 1 | ||
| Serena Williams | 2 | 2 | ||
| Jelena Janković | 4 | 3 | ||
| Venus Williams | 5 | 4 | ||
| Ana Ivanovic | 7 | 5 | ||
| Victoria Azarenka | 8 | 6 | ||
| Svetlana Kuznetsova | 9 | 7 | ||
| Nadia Petrova | 10 | 8 | ||
| Caroline Wozniacki | 11 | 9 | ||
| Agnieszka Radwańska | 12 | 10 | ||
| Marion Bartoli | 13 | 11 | ||
| Flavia Pennetta | 14 | 12 | ||
| Alizé Cornet | 15 | 13 | ||
| Zheng Jie | 16 | 14 | ||
| Anabel Medina Garrigues | 18 | 15 | ||
| Kaia Kanepi | 19 | 16 |
The following players received wildcards into the main draw:
The following players received entry from the qualifying draw:
Ayumi Morita Vania King Jill Craybas
Mariana Duque Marino
Aravane Rezaï
Yaroslava Shvedova
Alberta Brianti
Mariya Koryttseva