2012 St. Petersburg Open
| 2012 St. Petersburg Open | |
|---|---|
| Date | September 17 – 23 |
| Edition | 18th |
| Category | ATP World Tour 250 Series |
| Surface | Hard |
| Location | St. Petersburg, Russia |
| Venue | Petersburg Sports and Concert Complex |
| Champions | |
| Singles | |
 Martin Kližan | |
| Doubles | |
 Rajeev Ram /  Nenad Zimonjić | |
The 2012 St. Petersburg Open was a tennis tournament played on indoor hard courts. It was the 17th edition of the St. Petersburg Open, and part of the ATP World Tour 250 Series of the 2012 ATP World Tour. It took place at the Petersburg Sports and Concert Complex in Saint Petersburg, Russia, from September 17 through 23, 2012.
Singles main draw entrants
Seeds
| Country | Player | Rank1 | Seed |
|---|---|---|---|
 RUS
|
Mikhail Youzhny | 29 | 1 |
 UZB
|
Denis Istomin | 34 | 2 |
| SVK
|
Martin Kližan | 46 | 3 |
 ITA
|
Fabio Fognini | 54 | 4 |
| SVK
|
Lukáš Lacko | 57 | 5 |
 TPE
|
Lu Yen-hsun | 59 | 6 |
 ESP
|
Guillermo García-López | 68 | 7 |
 EST
|
Jürgen Zopp | 71 | 8 |
- 1 Seeds are based on the rankings of September 10, 2012
Other Entrants
The following players received wildcards into the singles main draw:
The following players received entry from the qualifying draw:
The following players received entry as lucky loser:
Withdrawals
Igor Andreev (right shoulder injury)
Pablo Andújar
Aljaž Bedene- Blaž Kavčič
Mikhail Kukushkin
Retirements
- Andrey Kumantsov (dizziness)
Paolo Lorenzi (left Achilles tendon injury)
Philipp Petzschner (knee injury)
Jürgen Zopp (back injury)
Doubles main draw entrants
Seeds
| Country | Player | Country | Player | Rank1 | Seed |
|---|---|---|---|---|---|
| USA
|
Rajeev Ram | SRB
|
Nenad Zimonjić | 64 | 1 |
 GBR
|
Colin Fleming | GBR
|
Ross Hutchins | 69 | 2 |
 CZE
|
František Čermák | SVK
|
Michal Mertiňák | 79 | 3 |
 GER
|
Frank Moser | GBR
|
Ken Skupski | 134 | 4 |
- Rankings are as of September 10, 2012
Other entrants
The following pairs received wildcards into the doubles main draw:
Champions
Singles
Martin Kližan def. Fabio Fognini, 6–2, 6–3
It was Kližan's first title on the ATP World Tour.
Doubles
Rajeev Ram / 
Nenad Zimonjić def. Lukáš Lacko / Igor Zelenay 6-2, 4-6, [10-6]