# 2013 St. Petersburg Open – Singles

Martin Kližan was the defending champion, but withdrew before the tournament began. Ernests Gulbis won the title, defeating Guillermo García-López in the final, 3–6, 6–4, 6–0.

## Seeds

* Fabio Fognini (second round, retired)
* Mikhail Youzhny (second round)
* Janko Tipsarević (first round)
* Dmitry Tursunov (quarterfinals)
* Fernando Verdasco (first round)
* Ernests Gulbis (champion)
* Lukáš Rosol (quarterfinals)
* Denis Istomin (quarterfinals)

## 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 | Final | Final | Final | Final | Final |
| | Michał Przysiężny | 3 | 3 | | | | | |
| 6 | Ernests Gulbis | 6 | 6 | | | | | |
| 6 | Ernests Gulbis | 6 | 6 | 6 | Ernests Gulbis | 3 | 6 | 6 |
| | | | | | Guillermo García-López | 6 | 4 | 0 |
| | João Sousa | 1 | 1 | | Guillermo García-López | 6 | 4 | 0 |
| | Guillermo García-López | 6 | 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 | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals |
| 1 | F Fognini | 6 | 6 | | | | | | | | | | | | | | | |
| Q | D Inglot | 4 | 4 | | 1 | F Fognini | 3 | 3$^r$ | | | | | | | | | | |
| | M Przysiężny | 3 | 6 | 6 | | M Przysiężny | 6 | 5 | | | | | | | | | | |
| | A Ramos | 6 | 4 | 3 | | | | | | | M Przysiężny | 7$^9$ | 1 | 6 | | | | |
| | V Hănescu | 6$^4$ | 6$^4$ | | | | | | | 7 | L Rosol | 6$^7$ | 6 | 3 | | | | |
| WC | K Khachanov | 7$^7$ | 7$^7$ | | WC | K Khachanov | 4 | 4 | | | | | | | | | | |
| | R Berankis | 4 | 6$^4$ | | 7 | L Rosol | 6 | 6 | | | | | | | | | | |
| 7 | L Rosol | 6 | 7$^7$ | | | | | | | | | | | | | M Przysiężny | 3 | 3 |
| 3 | J Tipsarević | 6$^4$ | 3 | | | | | | | | | | | | 6 | E Gulbis | 6 | 6 |
| | R Bautista-Agut | 7$^7$ | 6 | | | R Bautista-Agut | 2 | 6 | 7$^7$ | | | | | | | | | |
| | A Mannarino | 1 | 4 | | | E Donskoy | 6 | 1 | 6$^5$ | | | | | | | | | |
| | E Donskoy | 6 | 6 | | | | | | | | R Bautista-Agut | 1 | 2 | | | | | |
| PR | J Zopp | 6 | 3 | 6 | | | | | | 6 | E Gulbis | 6 | 6 | | | | | |
| | D Gimeno-Traver | 1 | 6 | 3 | PR | J Zopp | 3 | 6 | 3 | | | | | | | | | |
| WC | M Elgin | 0 | 1 | | 6 | E Gulbis | 6 | 1 | 6 | | | | | | | | | |
| 6 | E Gulbis | 6 | 6 | | | | | | | | | | | | | | | |

### 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 | Semifinals | Semifinals | Semifinals |
| 5 | F Verdasco | 3 | 4 | | | | | | | | | | | | | |
| | S Stakhovsky | 6 | 6 | | | S Stakhovsky | 6 | 4 | 0 | | | | | | | |
| | P Lorenzi | 3 | 4 | | | J Sousa | 3 | 6 | 6 | | | | | | | |
| | J Sousa | 6 | 6 | | | | | | | | J Sousa | 6 | 6 | | | |
| | H Zeballos | 6$^5$ | 3 | | | | | | | 4 | D Tursunov | 4 | 3 | | | |
| Q | K Kravchuk | 7$^7$ | 6 | | Q | K Kravchuk | 3 | 0 | | | | | | | | |
| | M Baghdatis | 6$^3$ | 6$^3$ | | 4 | D Tursunov | 6 | 6 | | | | | | | | |
| 4 | D Tursunov | 7$^7$ | 7$^7$ | | | | | | | | | | | J Sousa | 1 | 1 |
| 8 | D Istomin | 6 | 3 | 7 | | | | | | | | | | G García-López | 6 | 6 |
| Q | S Groth | 4 | 6 | 5 | 8 | D Istomin | 4 | 6 | 6 | | | | | | | |
| | J Struff | 7$^7$ | 3 | 1 | | A Golubev | 6 | 3 | 4 | | | | | | | |
| | A Golubev | 6$^3$ | 6 | 6 | | | | | | 8 | D Istomin | 2 | 4 | | | |
| Q | M Biryukov | 4 | 1 | | | | | | | | G García-López | 6 | 6 | | | |
| | G García-López | 6 | 6 | | | G García-López | 6 | 4 | 6 | | | | | | | |
| WC | A Karatsev | 7$^7$ | 2 | 2 | 2 | M Youzhny | 4 | 6 | 3 | | | | | | | |
| 2 | M Youzhny | 6$^5$ | 6 | 6 | | | | | | | | | | | | |

## Qualifying
### Seeds

* Konstantin Kravchuk (qualified)
* Samuel Groth (qualified)
* Alexander Kudryavtsev (qualifying competition)
* Valery Rudnev (qualifying competition)
* Victor Baluda (qualifying competition)
* Mikhail Biryukov (qualified)
* Alexander Bury (qualifying competition)
* Vladimir Ivanov (first round)

### Qualifiers

* Konstantin Kravchuk
* Samuel Groth
* Dominic Inglot
* Mikhail Biryukov

### Qualifying draw
#### First qualifier

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 1 | Konstantin Kravchuk | 6$^3$ | 6 | 6 | | | | | | | | |
| | Alexander Vasilenko | 7$^7$ | 2 | 2 | | | | | | | | |
| | Alexander Vasilenko | 7$^7$ | 2 | 2 | 1 | Konstantin Kravchuk | 6 | 6 | | | | |
| | | | | | | Kirill Saplin | 4 | 1 | | | | |
| WC | Teimouraz Metreveli | 2 | 4 | | | Kirill Saplin | 4 | 1 | | | | |
| | Kirill Saplin | 6 | 6 | | | | | | | | | |
| | Kirill Saplin | 6 | 6 | | | | | | 1 | Konstantin Kravchuk | 6 | 7$^7$ |
| | | | | | | | | | 7 | Alexander Bury | 4 | 6$^4$ |
| | Fedor Chervyakov | 6 | 6 | | | | | | | | | | 7 | Alexander Bury | 4 | 6$^4$ |
| | Artur Madzhar | 0 | 1 | | | | | | | | | |
| | Artur Madzhar | 0 | 1 | | | Fedor Chervyakov | 2 | 1 | | | | |
| | | | | | 7 | Alexander Bury | 6 | 6 | | | | |
| WC | Nikita Gudozhnikov | 1 | 2 | | 7 | Alexander Bury | 6 | 6 | | | | |
| 7 | Alexander Bury | 6 | 6 | | | | | | | | | |

#### Second qualifier

| First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 2 | Samuel Groth | 6 | 6 | | | | | | | | | |
| | Frank Moser | 1 | 4 | | | | | | | | | |
| | Frank Moser | 1 | 4 | 2 | Samuel Groth | 7$^7$ | 6 | | | | | |
| | | | | | Mikhail Vaks | 6$^4$ | 4 | | | | | |
| | Mikhail Vaks | 6 | 7 | | Mikhail Vaks | 6$^4$ | 4 | | | | | |
| | Vitaliy Kachanovskiy | 3 | 5 | | | | | | | | | |
| | Vitaliy Kachanovskiy | 3 | 5 | | | | | | 2 | Samuel Groth | 6 | 6 |
| | | | | | | | | | 5 | Victor Baluda | 4 | 3 |
| | Timur Razmaitov | 1 | 1 | | | | | | | | | | 5 | Victor Baluda | 4 | 3 |
| | Anton Zaitsev | 6 | 6 | | | | | | | | | |
| | Anton Zaitsev | 6 | 6 | | Anton Zaitsev | 7 | 0 | 1 | | | | |
| | | | | 5 | Victor Baluda | 5 | 6 | 6 | | | | |
| WC | Dmitrii Dosuzhev | 3 | 1 | 5 | Victor Baluda | 5 | 6 | 6 | | | | |
| 5 | Victor Baluda | 6 | 6 | | | | | | | | | |

#### Third qualifier

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 3 | Alexander Kudryavtsev | 6 | 6 | | | | | | | | | |
| | Andrei Vasilevski | 4 | 2 | | | | | | | | | |
| | Andrei Vasilevski | 4 | 2 | | 3 | Alexander Kudryavtsev | 6 | 6 | | | | |
| | | | | | | Sergey Strelkov | 1 | 2 | | | | |
| | Alexander Zhurbin | 4 | 5 | | | Sergey Strelkov | 1 | 2 | | | | |
| | Sergey Strelkov | 6 | 7 | | | | | | | | | |
| | Sergey Strelkov | 6 | 7 | | | | | | 3 | Alexander Kudryavtsev | 6$^7$ | 6$^3$ |
| | | | | | | | | | | Dominic Inglot | 7$^9$ | 7$^7$ |
| | Alexander Igoshin | 6 | 6 | | | | | | | | | | Dominic Inglot | 7$^9$ | 7$^7$ |
| | Dmitri Marfinsky | 4 | 1 | | | | | | | | | |
| | Dmitri Marfinsky | 4 | 1 | | | Alexander Igoshin | 1 | 2 | | | | |
| | | | | | | Dominic Inglot | 6 | 6 | | | | |
| | Dominic Inglot | 6 | 4 | 7 | | Dominic Inglot | 6 | 6 | | | | |
| 8 | Vladimir Ivanov | 3 | 6 | 5 | | | | | | | | |

#### Fourth qualifier

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 4 | Valery Rudnev | 7$^9$ | 6 | | | | | | | | | |
| | Vladimir Polyakov | 6$^7$ | 3 | | | | | | | | | |
| | Vladimir Polyakov | 6$^7$ | 3 | | 4 | Valery Rudnev | 6 | 6 | | | | |
| | | | | | | Evgeny Elistratov | 4 | 2 | | | | |
| | Pavel Zelenkin | 2 | 4 | | | Evgeny Elistratov | 4 | 2 | | | | |
| | Evgeny Elistratov | 6 | 6 | | | | | | | | | |
| | Evgeny Elistratov | 6 | 6 | | | | | | 4 | Valery Rudnev | 4 | 4 |
| | | | | | | | | | 6 | Mikhail Biryukov | 6 | 6 |
| WC | Andrei Stoliarov | 0 | 1 | | | | | | | | | | 6 | Mikhail Biryukov | 6 | 6 |
| | František Čermák | 6 | 6 | | | | | | | | | |
| | František Čermák | 6 | 6 | | | František Čermák | 3 | 4 | | | | |
| | | | | | 6 | Mikhail Biryukov | 6 | 6 | | | | |
| | Stepan Khotulev | 6 | 2 | 1 | 6 | Mikhail Biryukov | 6 | 6 | | | | |
| 6 | Mikhail Biryukov | 3 | 6 | 6 | | | | | | | | |