# 2009 If Stockholm Open – Singles

David Nalbandian was the defending champion, but did not defend his title due to a hip injury. Marcos Baghdatis won in the final 6–1, 7–5 against Olivier Rochus.

## Seeds

* Robin Söderling (semifinals, withdrew due to a right elbow injury)
* Tommy Haas (second round, withdrew due to the flu)
* Juan Carlos Ferrero (first round)
* Juan Mónaco (second round)
* Andreas Beck (first round)
* Benjamin Becker (first round)
* Albert Montañés (first round)
* Feliciano López (second round)

## Draw
### Key

* Q = Qualifier
* WC = Wild card
* LL = Lucky loser
* Alt = Alternate
* SE = Special exempt
* PR = Protected ranking
* ITF = ITF entry
* JE = Junior exempt
* w/o = Walkover
* r = Retired
* d = Defaulted
* SR = Special ranking

### Finals

| Semifinals | Semifinals | Semifinals | Semifinals | Semifinals | Final | Final | Final |
| 1 | Robin Söderling | | | | | | |
| | Marcos Baghdatis | w/o | | | | | |
| | Marcos Baghdatis | w/o | | | Marcos Baghdatis | 6 | 7 |
| | | | | | Olivier Rochus | 1 | 5 |
| | Thomaz Bellucci | 6$^4$ | 6 | 3 | Olivier Rochus | 1 | 5 |
| | Olivier Rochus | 7$^7$ | 4 | 6 | | | |

### Top half

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals |
| 1 | R Söderling | 6 | 6 | | | | | | | | | | | | | |
| LL | G Lapentti | 3 | 0 | | 1 | R Söderling | 6 | 6 | | | | | | | | |
| | V Crivoi | 4 | 1 | | | A Seppi | 1 | 3 | | | | | | | | |
| | A Seppi | 6 | 6 | | | | | | | 1 | R Söderling | 7$^7$ | 6 | | | |
| | G García-López | 6 | 6 | | | | | | | | G García-López | 6$^4$ | 4 | | | |
| | A Martín | 3 | 2 | | | G García-López | 6 | 7 | | | | | | | | |
| | S Greul | 2 | 6 | 7 | | S Greul | 3 | 5 | | | | | | | | |
| 6 | B Becker | 6 | 3 | 5 | | | | | | | | | | 1 | R Söderling | |
| 3 | JC Ferrero | 4 | 2 | | | | | | | | | | | | M Baghdatis | w/o |
| | M Baghdatis | 6 | 6 | | | M Baghdatis | 6 | 6 | | | | | | | | |
| | R Kendrick | 6 | 6 | | | R Kendrick | 2 | 2 | | | | | | | | |
| | Ó Hernández | 3 | 4 | | | | | | | | M Baghdatis | 6 | 6 | | | |
| Q | M Berrer | 7 | 7$^9$ | | | | | | | Q | A Clément | 4 | 4 | | | |
| Q | H Kontinen | 5 | 6$^7$ | | Q | M Berrer | 6 | 6$^7$ | 1 | | | | | | | |
| Q | A Clément | 6 | 6 | | Q | A Clément | 3 | 7$^9$ | 6 | | | | | | | |
| 5 | A Beck | 4 | 2 | | | | | | | | | | | | | |

### Bottom half

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals |
| 7 | A Montañés | 4 | 3 | | | | | | | | | | | | | | | |
| | L Mayer | 6 | 6 | | | L Mayer | 5 | 6 | 3 | | | | | | | | | |
| Q | F Nielsen | 6$^6$ | 3 | | | T Bellucci | 7 | 3 | 6 | | | | | | | | | |
| | T Bellucci | 7$^8$ | 6 | | | | | | | | T Bellucci | 7$^7$ | 6 | | | | | |
| WC | J Johansson | 7 | 6 | | | | | | | WC | J Johansson | 6$^4$ | 3 | | | | | |
| | P Luczak | 5 | 2 | | WC | J Johansson | 6 | 6 | | | | | | | | | | |
| | J Hernych | 2 | 7 | 5 | 4 | J Mónaco | 4 | 4 | | | | | | | | | | |
| 4 | J Mónaco | 6 | 5 | 7 | | | | | | | | | | | T Bellucci | 6$^4$ | 6 | 3 |
| 8 | F López | 6 | 6 | | | | | | | | | | | | O Rochus | 7$^7$ | 4 | 6 |
| | E Gulbis | 2 | 4 | | 8 | F López | 6 | 4 | 1 | | | | | | | | | |
| WC | A Vinciguerra | 3 | 2 | | | O Rochus | 4 | 6 | 6 | | | | | | | | | |
| | O Rochus | 6 | 6 | | | | | | | | O Rochus | 6 | 2 | 6 | | | | |
| WC | G Dimitrov | 0 | 2 | | | | | | | | J Nieminen | 3 | 6 | 1 | | | | |
| | J Nieminen | 6 | 6 | | | J Nieminen | w/o | | | | | | | | | | | |
| | F Serra | 3 | 4 | | 2 | T Haas | | | | | | | | | | | | |
| 2 | T Haas | 6 | 6 | | | | | | | | | | | | | | | |