# 2009 St. Petersburg Open – Singles

Andy Murray was the defending champion, but he chose not to compete this year.
Sergiy Stakhovsky won in the final over Horacio Zeballos 2–6, 7–6$^{(10–8)}$, 7–6$^{(9–7)}$.

## Seeds

* Mikhail Youzhny (second round, retired because of a lower back injury)
* Victor Hănescu (quarterfinals)
* Viktor Troicki (first round)
* Jérémy Chardy (second round)
* Igor Andreev (second round, retired because of a left knee injury)
* Evgeny Korolev (first round)
* Pablo Cuevas (first round)
* Horacio Zeballos (final)

## 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 | Final | Final |
| | Marat Safin | 4 | 6 | 4 | | | | | |
| Q | Sergiy Stakhovsky | 6 | 4 | 6 | | | | | |
| Q | Sergiy Stakhovsky | 6 | 4 | 6 | Q | Sergiy Stakhovsky | 2 | 7$^{10}$ | 7$^9$ |
| | | | | | 8 | Horacio Zeballos | 6 | 6$^8$ | 6$^7$ |
| 8 | Horacio Zeballos | 7$^9$ | 6 | | 8 | Horacio Zeballos | 6 | 6$^8$ | 6$^7$ |
| | Igor Kunitsyn | 6$^7$ | 3 | | | | | | |

### Top half

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals | Semifinals |
| 1 | M Youzhny | 6 | 6 | | | | | | | | | | | | | | |
| | A Golubev | 3 | 2 | | 1 | M Youzhny | 2 | 1$^r$ | | | | | | | | | |
| | D Istomin | 6 | 6 | | | D Istomin | 6 | 2 | | | | | | | | | |
| | R Schüttler | 4 | 4 | | | | | | | D Istomin | 0 | 6$^4$ | | | | | |
| | M Safin | 7$^7$ | 6 | | | | | | | M Safin | 6 | 7$^7$ | | | | | |
| | R Gasquet | 6$^5$ | 4 | | | M Safin | 6 | 0 | | | | | | | | | |
| | P Starace | 4 | 2 | | 5 | I Andreev | 3 | 1$^r$ | | | | | | | | | |
| 5 | I Andreev | 6 | 6 | | | | | | | | | | | M Safin | 4 | 6 | 4 |
| 3 | V Troicki | 6$^4$ | 6 | 4 | | | | | | | | | Q | S Stakhovsky | 6 | 4 | 6 |
| | K Beck | 7$^7$ | 4 | 6 | | K Beck | 4 | 1$^r$ | | | | | | | | | |
| WC | S Vovk | 3 | 2 | | | B Phau | 6 | 2 | | | | | | | | | |
| | B Phau | 6 | 6 | | | | | | | B Phau | 2 | 5 | | | | | |
| | M Granollers | 7$^7$ | 6$^6$ | 4 | | | | | Q | S Stakhovsky | 6 | 7 | | | | | |
| WC | A Kuznetsov | 6$^4$ | 7$^8$ | 6 | WC | A Kuznetsov | 1 | 4 | | | | | | | | | |
| Q | S Stakhovsky | 6 | 6 | | Q | S Stakhovsky | 6 | 6 | | | | | | | | | |
| 6 | E Korolev | 4 | 3 | | | | | | | | | | | | | | |

### Bottom half

| First round | First round | First round | First round | Second round | Second round | Second round | Second round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals |
| 8 | H Zeballos | 7$^{11}$ | 6 | | | | | | | | | | | | | |
| Q | Y Schukin | 6$^9$ | 3 | 8 | H Zeballos | 6 | 6 | | | | | | | | | |
| Q | O Dolgopolov Jr. | 6 | 1 | Q | O Dolgopolov Jr. | 3 | 1 | | | | | | | | | |
| | R Ginepri | 2 | 0$^r$ | | | | | 8 | H Zeballos | 7$^{10}$ | 6 | | | | | |
| | E Gulbis | 6 | 7$^7$ | | | | | | E Gulbis | 6$^8$ | 4 | | | | | |
| | F Mayer | 3 | 6$^3$ | | E Gulbis | 7$^9$ | 6 | | | | | | | | | |
| Q | P-A Luncanu | 2 | 2 | 4 | J Chardy | 6$^7$ | 3 | | | | | | | | | |
| 4 | J Chardy | 6 | 6 | | | | | | | | | | 8 | H Zeballos | 7$^9$ | 6 |
| 7 | P Cuevas | 4 | 3 | | | | | | | | | | | I Kunitsyn | 6$^7$ | 3 |
| | I Kunitsyn | 6 | 6 | | I Kunitsyn | 6 | 6 | | | | | | | | | |
| WC | M Elgin | 6 | 6 | WC | M Elgin | 2 | 3 | | | | | | | | | |
| SE | M Kukushkin | 3 | 3 | | | | | | I Kunitsyn | 6 | 3 | 7$^8$ | | | | |
| | F Fognini | 4 | 1 | | | | | 2 | V Hănescu | 3 | 6 | 6$^6$ | | | | |
| SE | I Marchenko | 6 | 6 | SE | I Marchenko | 3 | 4 | | | | | | | | | |
| | T Gabashvili | 1 | 2 | 2 | V Hănescu | 6 | 6 | | | | | | | | | |
| 2 | V Hănescu | 6 | 6 | | | | | | | | | | | | | |