# 2015 St. Petersburg Open – Singles

Ernests Gulbis won the last edition of the tournament held in 2013, but lost in the first round to Marcos Baghdatis. Milos Raonic won the title, defeating João Sousa in the final, 6–3, 3–6, 6–3.

## Seeds

The top four seeds receive a bye into the second round.
* Tomáš Berdych (second round)
* Milos Raonic (champion)
* Dominic Thiem (semifinals)
* Roberto Bautista Agut (semifinals)
* Tommy Robredo (quarterfinals)
* Benoît Paire (first round, retired)
* João Sousa (final)
* Mikhail Kukushkin (first 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 | Final | Final | Final | Final | Final |
| 7 | João Sousa | 6 | 7$^7$ | | | | | |
| 3 | Dominic Thiem | 4 | 6$^5$ | | | | | |
| 3 | Dominic Thiem | 4 | 6$^5$ | 7 | João Sousa | 3 | 6 | 3 |
| | | | | 2 | Milos Raonic | 6 | 3 | 6 |
| 4 | Roberto Bautista Agut | 2 | 6$^2$ | 2 | Milos Raonic | 6 | 3 | 6 |
| 2 | Milos Raonic | 6 | 7$^7$ | | | | | |

### 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 | Semifinals |
| | | | | | 1 | T Berdych | 6$^5$ | 4 | | | | | | | | | |
| WC | A Rublev | 6 | 3 | 1 | | S Bolelli | 7$^7$ | 6 | | | | | | | | | |
| | S Bolelli | 4 | 6 | 6 | | | | | | | S Bolelli | 6$^7$ | 6$^1$ | | | | |
| | M Granollers | 6 | 6 | | | | | | | 7 | J Sousa | 7$^9$ | 7$^7$ | | | | |
| | T Kokkinakis | 3 | 3 | | | M Granollers | 3 | 3 | | | | | | | | | |
| Q | R Albot | 6 | 5 | 4 | 7 | J Sousa | 6 | 6 | | | | | | | | | |
| 7 | J Sousa | 3 | 7 | 6 | | | | | | | | | | 7 | J Sousa | 6 | 7$^7$ |
| | | | | | | | | | | | | | | 3 | D Thiem | 4 | 6$^5$ |
| | | | | | 3 | D Thiem | 6 | 7$^7$ | | | | | | | | | |
| | D Gimeno Traver | 5 | 6$^2$ | | | A Haider-Maurer | 2 | 6$^2$ | | | | | | | | | |
| | A Haider-Maurer | 7 | 7$^7$ | | | | | | | 3 | D Thiem | 6 | 7 | | | | |
| Q | A Golubev | 4 | 6 | 4 | | | | | | | D Istomin | 2 | 5 | | | | |
| | B Becker | 6 | 1 | 6 | | B Becker | 6 | 6$^5$ | 4 | | | | | | | | |
| | D Istomin | 7$^7$ | 2 | 6 | | D Istomin | 2 | 7$^7$ | 6 | | | | | | | | |
| 8 | M Kukushkin | 6$^4$ | 6 | 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 | Semifinals | Semifinals | Semifinals | Semifinals |
| 6 | B Paire | 4 | 0$^r$ | | | | | | | | | | | | | | |
| | J Janowicz | 6 | 3 | | | J Janowicz | 6$^8$ | 6$^1$ | | | | | | | | | |
| | R Berankis | 6$^9$ | 6 | 6$^4$ | | L Pouille | 7$^{10}$ | 7$^7$ | | | | | | | | | |
| | L Pouille | 7$^{11}$ | 3 | 7$^7$ | | | | | | | L Pouille | 2 | 3 | | | | |
| | T Gabashvili | 6 | 6 | | | | | | | 4 | R Bautista Agut | 6 | 6 | | | | |
| Q | Y Shyla | 2 | 2 | | | T Gabashvili | 3 | 7 | 5 | | | | | | | | |
| | | | | | 4 | R Bautista Agut | 6 | 5 | 7 | | | | | | | | |
| | | | | | | | | | | | | | | 4 | R Bautista Agut | 2 | 6$^2$ |
| 5 | T Robredo | 6 | 3 | 6 | | | | | | | | | | 2 | M Raonic | 6 | 7$^7$ |
| WC | M Youzhny | 4 | 6 | 3 | 5 | T Robredo | 7$^7$ | 6 | | | | | | | | | |
| | M Baghdatis | 6 | 4 | 6 | | M Baghdatis | 6$^5$ | 1 | | | | | | | | | |
| | E Gulbis | 4 | 6 | 3 | | | | | | 5 | T Robredo | 1 | 2 | | | | |
| Q | A Sidorenko | 2 | 4 | | | | | | | 2 | M Raonic | 6 | 6 | | | | |
| WC | E Donskoy | 6 | 6 | | WC | E Donskoy | 4 | 4 | | | | | | | | | |
| | | | | | 2 | M Raonic | 6 | 6 | | | | | | | | | |

## Qualifying
### Seeds

* Radu Albot (qualified)
* Andrey Golubev (qualified)
* Alexander Kudryavtsev (qualifying competition)
* Dzmitry Zhyrmont (first round)
* Nikola Mektić (second round)
* Yaraslav Shyla (qualified)
* Vladimir Ivanov (second round)
* Alexey Vatutin (second round)

### Qualifiers

* Radu Albot
* Andrey Golubev
* Alexandre Sidorenko
* Yaraslav Shyla

### Qualifying draw
#### First qualifier

| First round | 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 |
| 1 | Radu Albot | 6 | 6$^2$ | 6 | | | | | | | | | |
| | Mikhail Ledovskikh | 2 | 7$^7$ | 3 | | | | | | | | | |
| | Mikhail Ledovskikh | 2 | 7$^7$ | 3 | 1 | Radu Albot | 6 | 6 | | | | | |
| | | | | | | Alexandr Igoshin | 4 | 2 | | | | | |
| | Alexander Ovcharov | 6$^4$ | 5 | | | Alexandr Igoshin | 4 | 2 | | | | | |
| | Alexandr Igoshin | 7$^7$ | 7 | | | | | | | | | | |
| | Alexandr Igoshin | 7$^7$ | 7 | | | | | | | 1 | Radu Albot | 6 | 6 |
| | | | | | | | | | | | Valery Rudnev | 3 | 0 |
| WC | Artur Gusev | 0 | 0 | | | | | | | | | | | Valery Rudnev | 3 | 0 |
| | Valery Rudnev | 6 | 6 | | | | | | | | | | |
| | Valery Rudnev | 6 | 6 | | | Valery Rudnev | 6 | 2 | 6 | | | | |
| | | | | | 8 | Alexey Vatutin | 2 | 6 | 4 | | | | |
| | Evgeny Karlovskiy | 5 | 2 | | 8 | Alexey Vatutin | 2 | 6 | 4 | | | | |
| 8 | Alexey Vatutin | 7 | 6 | | | | | | | | | | |

#### Second 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 |
| 2 | Andrey Golubev | 6 | 6 | | | | | | | | | |
| | Kirill Kivattsev | 1 | 2 | | | | | | | | | |
| | Kirill Kivattsev | 1 | 2 | | 2 | Andrey Golubev | 6 | 6 | | | | |
| | | | | | | Evgeny Elistratov | 4 | 2 | | | | |
| WC | Pavel Shchaya-Zubrov | 6 | 0 | 1 | | Evgeny Elistratov | 4 | 2 | | | | |
| | Evgeny Elistratov | 4 | 6 | 6 | | | | | | | | |
| | Evgeny Elistratov | 4 | 6 | 6 | | | | | 2 | Andrey Golubev | 6 | 6 |
| | | | | | | | | | | Evgenii Tiurnev | 4 | 2 |
| | Yahor Yatsyk | 6$^3$ | 6 | 2 | | | | | | | | | Evgenii Tiurnev | 4 | 2 |
| | Evgenii Tiurnev | 7$^7$ | 4 | 6 | | | | | | | | |
| | Evgenii Tiurnev | 7$^7$ | 4 | 6 | | Evgenii Tiurnev | 6 | 7$^7$ | | | | |
| | | | | | 5 | Nikola Mektić | 3 | 6$^5$ | | | | |
| | Alexander Perfilov | 3 | 3 | | 5 | Nikola Mektić | 3 | 6$^5$ | | | | |
| 5 | Nikola Mektić | 6 | 6 | | | | | | | | | |

#### Third 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 | Qualifying competition |
| 3 | Alexander Kudryavtsev | 6 | 6 | | | | | | | | | | |
| | Volodymyr Uzhylovskyi | 3 | 2 | | | | | | | | | | |
| | Volodymyr Uzhylovskyi | 3 | 2 | 3 | Alexander Kudryavtsev | 6 | 3 | 6 | | | | | |
| | | | | | Alexander Vasilenko | 4 | 6 | 3 | | | | | |
| WC | Philipp Klimov | 1 | 4 | | Alexander Vasilenko | 4 | 6 | 3 | | | | | |
| | Alexander Vasilenko | 6 | 6 | | | | | | | | | | |
| | Alexander Vasilenko | 6 | 6 | | | | | | 3 | Alexander Kudryavtsev | 6 | 4 | 4 |
| | | | | | | | | | | Alexandre Sidorenko | 3 | 6 | 6 |
| | Alexandre Sidorenko | 6 | 6 | | | | | | | | | | | Alexandre Sidorenko | 3 | 6 | 6 |
| WC | Santiago González | 3 | 1 | | | | | | | | | | |
| WC | Santiago González | 3 | 1 | | Alexandre Sidorenko | 3 | 6 | 6 | | | | | |
| | | | | 7 | Vladimir Ivanov | 6 | 1 | 4 | | | | | |
| | Aleksei Khomich | 1 | 1 | 7 | Vladimir Ivanov | 6 | 1 | 4 | | | | | |
| 7 | Vladimir Ivanov | 6 | 6 | | | | | | | | | | |

#### Fourth qualifier

| First round | 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 |
| 4 | Dzmitry Zhyrmont | 6 | 3 | 2 | | | | | | | | | |
| | Vladimir Polyakov | 1 | 6 | 6 | | | | | | | | | |
| | Vladimir Polyakov | 1 | 6 | 6 | | Vladimir Polyakov | 2 | 3 | | | | | |
| | | | | | | Alexander Bublik | 6 | 6 | | | | | |
| | Mikhail Elgin | 4 | 7 | 6$^3$ | | Alexander Bublik | 6 | 6 | | | | | |
| | Alexander Bublik | 6 | 5 | 7$^7$ | | | | | | | | | |
| | Alexander Bublik | 6 | 5 | 7$^7$ | | | | | | | Alexander Bublik | 3 | 4 |
| | | | | | | | | | | 6 | Yaraslav Shyla | 6 | 6 |
| | Richard Muzaev | 4 | 6 | 6 | | | | | | | | | | 6 | Yaraslav Shyla | 6 | 6 |
| | Vitaly Kozyukov | 6 | 2 | 1 | | | | | | | | | |
| | Vitaly Kozyukov | 6 | 2 | 1 | | Richard Muzaev | 6 | 4 | 5 | | | | |
| | | | | | 6 | Yaraslav Shyla | 4 | 6 | 7 | | | | |
| PR | Alexander Lobkov | 6 | 1 | 2 | 6 | Yaraslav Shyla | 4 | 6 | 7 | | | | |
| 6 | Yaraslav Shyla | 3 | 6 | 6 | | | | | | | | | |