# 2017 St. Petersburg Open – Singles

Alexander Zverev was the defending champion, but chose not to participate this year.
Damir Džumhur won his first ATP World Tour title, defeating Fabio Fognini in the final, 3–6, 6–4, 6–2. Džumhur became the first player from Bosnia and Herzegovina to win the ATP title.

## Seeds

The top four seeds receive a bye into the second round.
* Roberto Bautista Agut (semifinals)
* Jo-Wilfried Tsonga (quarterfinals)
* Fabio Fognini (final)
* Adrian Mannarino (second round)
* Philipp Kohlschreiber (second round, withdrew)
* Paolo Lorenzi (first round)
* Viktor Troicki (quarterfinals)
* Jan-Lennard Struff (semifinals)

## 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 | Finals | Finals | Finals | Finals | Finals |
| 1 | Roberto Bautista Agut | 6 | 6$^7$ | 6$^5$ | | | | | |
| 3 | Fabio Fognini | 2 | 7$^9$ | 7$^7$ | | | | | |
| 3 | Fabio Fognini | 2 | 7$^9$ | 7$^7$ | 3 | Fabio Fognini | 6 | 4 | 2 |
| | | | | | | Damir Džumhur | 3 | 6 | 6 |
| | Damir Džumhur | 6 | 7 | | | Damir Džumhur | 3 | 6 | 6 |
| 8 | Jan-Lennard Struff | 3 | 5 | | | | | | |

### 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 | Semifinals |
| | | | | | 1 | R Bautista Agut | 6 | 4 | 6 | | | | | | | | | |
| | R Dutra Silva | 2 | 6 | 6 | | R Dutra Silva | 4 | 6 | 0 | | | | | | | | | |
| LL | R Albot | 6 | 2 | 2 | | | | | | 1 | R Bautista Agut | 6 | 6 | | | | | |
| | D Lajović | 6$^4$ | 3 | | | | | | | 7 | V Troicki | 1 | 2 | | | | | |
| | G Pella | 7$^7$ | 6 | | | G Pella | 6$^3$ | 6 | 4 | | | | | | | | | |
| | A Kuznetsov | 6$^6$ | 6$^2$ | | 7 | V Troicki | 7$^7$ | 4 | 6 | | | | | | | | | |
| 7 | V Troicki | 7$^8$ | 7$^7$ | | | | | | | | | | | 1 | R Bautista Agut | 6 | 6$^7$ | 6$^5$ |
| | | | | | | | | | | | | | | 3 | F Fognini | 2 | 7$^9$ | 7$^7$ |
| | | | | | 3 | F Fognini | 6 | 4 | 6 | | | | | | | | | |
| Q | J-P Smith | 6$^6$ | 4 | | | M Youzhny | 4 | 6 | 4 | | | | | | | | | |
| | M Youzhny | 7$^8$ | 6 | | | | | | | 3 | F Fognini | 6 | 6 | | | | | |
| PR | R Berankis | 3 | 6 | 6 | | | | | | PR | R Berankis | 3 | 0 | | | | | |
| Q | D Masur | 6 | 3 | 2 | PR | R Berankis | w/o | | | | | | | | | | | |
| WC | E Tyurnev | 1 | 3 | | 5 | P Kohlschreiber | | | | | | | | | | | | |
| 5 | P Kohlschreiber | 6 | 6 | | | | | | | | | | | | | | | |

### Bottom half

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Quarterfnals | Quarterfnals | Quarterfnals | Quarterfnals | Quarterfnals | Semifinals | Semifinals | Semifinals | Semifinals |
| 6 | P Lorenzi | 5 | 5 | | | | | | | | | | | | | | | |
| | D Džumhur | 7 | 7 | | | D Džumhur | 6 | 7$^7$ | | | | | | | | | | |
| | M Baghdatis | 7 | 6 | | | M Baghdatis | 4 | 6$^4$ | | | | | | | | | | |
| | H Zeballos | 5 | 4 | | | | | | | | D Džumhur | 6 | 2 | 6 | | | | |
| Q | E Gulbis | 3 | 0 | | | | | | | Q | L Broady | 3 | 6 | 4 | | | | |
| Q | L Broady | 6 | 6 | | Q | L Broady | 2 | 6 | 6 | | | | | | | | | |
| | | | | | 4 | A Mannarino | 6 | 4 | 0 | | | | | | | | | |
| | | | | | | | | | | | | | | | | D Džumhur | 6 | 7 |
| 8 | J-L Struff | 3 | 6 | 6 | | | | | | | | | | | 8 | J-L Struff | 3 | 5 |
| | B Ćorić | 6 | 2 | 4 | 8 | J-L Struff | 6 | 6 | | | | | | | | | | |
| | D Medvedev | 6$^4$ | 5 | | | T Fabbiano | 1 | 4 | | | | | | | | | | |
| | T Fabbiano | 7$^7$ | 7 | | | | | | | 8 | J-L Struff | 3 | 6 | 6 | | | | |
| | J Sousa | 7$^7$ | 6 | | | | | | | 2/WC | J-W Tsonga | 6 | 3 | 2 | | | | |
| WC | E Donskoy | 6$^2$ | 3 | | | J Sousa | 6$^1$ | 6 | 2 | | | | | | | | | |
| | | | | | 2/WC | J-W Tsonga | 7$^7$ | 3 | 6 | | | | | | | | | |

## Qualifying
### Seeds

* Radu Albot (qualifying competition, lucky loser)
* John-Patrick Smith (qualified)
* Alexey Vatutin (qualifying competition)
* Ernests Gulbis (qualified)
* Teymuraz Gabashvili (first round)
* Liam Broady (qualified)
* Petr Michnev (first round)
* Peđa Krstin (first round)

### Qualifiers

* Liam Broady
* John-Patrick Smith
* Daniel Masur
* Ernests Gulbis

### Lucky loser

* Radu Albot

### Qualifying draw
#### First qualifier

| First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 1 | Radu Albot | 7 | 7 | | | | | |
| | Alexander Kudryavtsev | 5 | 5 | | | | | |
| | Alexander Kudryavtsev | 5 | 5 | 1 | Radu Albot | 1 | 6 | 6$^4$ |
| | | | | 6 | Liam Broady | 6 | 2 | 7$^7$ |
| | Filip Horanský | 3 | 1 | 6 | Liam Broady | 6 | 2 | 7$^7$ |
| 6 | Liam Broady | 6 | 6 | | | | | |

#### Second qualifier

| First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 2 | John-Patrick Smith | 6 | 6 | | | | |
| | Ivan Gakhov | 2 | 0 | | | | |
| | Ivan Gakhov | 2 | 0 | 2 | John-Patrick Smith | 7$^7$ | 6 |
| | | | | WC | Mikhail Elgin | 6$^4$ | 2 |
| WC | Mikhail Elgin | 7$^7$ | 6 | WC | Mikhail Elgin | 6$^4$ | 2 |
| 7 | Petr Michnev | 6$^2$ | 4 | | | | |

#### Third qualifier

| First round | First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 3 | Alexey Vatutin | 7 | 6 | | | | | |
| | Evgeny Karlovskiy | 5 | 0 | | | | | |
| | Evgeny Karlovskiy | 5 | 0 | | 3 | Alexey Vatutin | 2 | 2 |
| | | | | | | Daniel Masur | 6 | 6 |
| | Daniel Masur | 3 | 6 | 7 | | Daniel Masur | 6 | 6 |
| 5 | Teymuraz Gabashvili | 6 | 1 | 5 | | | | |

#### Fourth qualifier

| First round | First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 4 | Ernests Gulbis | 4 | 6 | 6 | | | | |
| WC | Alexander Vasilenko | 6 | 3 | 2 | | | | |
| WC | Alexander Vasilenko | 6 | 3 | 2 | 4 | Ernests Gulbis | 6 | 6 |
| | | | | | | Ivan Nedelko | 2 | 1 |
| | Ivan Nedelko | 6 | 6 | | | Ivan Nedelko | 2 | 1 |
| 8 | Peđa Krstin | 3 | 4 | | | | | |