# 2017 Garanti Koza Sofia Open – Singles

Roberto Bautista Agut was the defending champion, but lost in the semifinals to David Goffin.
Grigor Dimitrov won the title, defeating Goffin in the final, 7–5, 6–4.

## Seeds

The top four seeds receive a bye into the second round.
* Dominic Thiem (second round)
* David Goffin (final)
* Grigor Dimitrov (champion)
* Roberto Bautista Agut (semifinals)
* Gilles Müller (quarterfinals)
* Philipp Kohlschreiber (withdrew)
* Marcos Baghdatis (withdrew)
* Martin Kližan (quarterfinals)
* Viktor Troicki (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 | Semifinals | Final | Final | Final | Final |
| | Nikoloz Basilashvili | 1 | 3 | | | | | |
| 3 | Grigor Dimitrov | 6 | 6 | | | | | |
| 3 | Grigor Dimitrov | 6 | 6 | | 3 | Grigor Dimitrov | 7 | 6 |
| | | | | | 2 | David Goffin | 5 | 4 |
| 4 | Roberto Bautista Agut | 7 | 4 | 6$^3$ | 2 | David Goffin | 5 | 4 |
| 2 | David Goffin | 5 | 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 | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals |
| | | | | | 1 | D Thiem | 4 | 4 | | | | | | | | | | |
| | N Basilashvili | 7$^9$ | 7$^7$ | | | N Basilashvili | 6 | 6 | | | | | | | | | | |
| | A Mannarino | 6$^7$ | 6$^3$ | | | | | | | | N Basilashvili | 0 | 6 | 6 | | | | |
| | M Chiudinelli | 7$^7$ | 6$^4$ | 2 | | | | | | 8 | M Kližan | 6 | 3 | 3 | | | | |
| Q | D Brands | 6$^4$ | 7$^7$ | 6 | Q | D Brands | 6$^3$ | 2 | | | | | | | | | | |
| | A Kuznetsov | 0 | 6$^4$ | | 8 | M Kližan | 7$^7$ | 6 | | | | | | | | | | |
| 8 | M Kližan | 6 | 7$^7$ | | | | | | | | | | | | | N Basilashvili | 1 | 3 |
| | | | | | | | | | | | | | | | 3 | G Dimitrov | 6 | 6 |
| | | | | | 3 | G Dimitrov | 4 | 6 | 7 | | | | | | | | | |
| PR | J Janowicz | 6 | 6 | | PR | J Janowicz | 6 | 3 | 5 | | | | | | | | | |
| | D Sela | 4 | 4 | | | | | | | 3 | G Dimitrov | 6 | 6 | | | | | |
| | R Haase | 6 | 6 | | | | | | | 9 | V Troicki | 3 | 3 | | | | | |
| WC | D Kuzmanov | 4 | 3 | | | R Haase | 6 | 4 | 6$^3$ | | | | | | | | | |
| WC | C İlkel | 3 | 2 | | 9 | V Troicki | 2 | 6 | 7$^7$ | | | | | | | | | |
| 9 | V Troicki | 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 | Semifinals | Semifinals |
| 5 | G Müller | 6 | 6 | | | | | | | | | | | | | | | |
| Q | M Bourgue | 3 | 2 | | 5 | G Müller | 6 | 7 | | | | | | | | | | |
| LL | M Tepavac | 6$^2$ | 4 | | | M Youzhny | 3 | 5 | | | | | | | | | | |
| | M Youzhny | 7$^7$ | 6 | | | | | | | 5 | G Müller | 5 | 6$^5$ | | | | | |
| Q | C-M Stebe | 2 | 6 | 6 | | | | | | 4 | R Bautista Agut | 7 | 7$^7$ | | | | | |
| LL | T Gabashvili | 6 | 0 | 1 | Q | C-M Stebe | 6$^4$ | 3 | | | | | | | | | | |
| | | | | | 4 | R Bautista Agut | 7$^7$ | 6 | | | | | | | | | | |
| | | | | | | | | | | | | | | 4 | R Bautista Agut | 7 | 4 | 6$^3$ |
| Q | M Marterer | 3 | 6$^3$ | | | | | | | | | | | 2 | D Goffin | 5 | 6 | 7$^7$ |
| | S Darcis | 6 | 7$^7$ | | | S Darcis | 6 | 7 | | | | | | | | | | |
| | D Džumhur | 6$^3$ | 6 | 3 | | A Seppi | 3 | 5 | | | | | | | | | | |
| | A Seppi | 7$^7$ | 3 | 6 | | | | | | | S Darcis | 1 | 3 | | | | | |
| WC | A Lazarov | 6$^0$ | 2 | | | | | | | 2 | D Goffin | 6 | 6 | | | | | |
| | R Albot | 7$^7$ | 6 | | | R Albot | 2 | 7$^9$ | 3 | | | | | | | | | |
| | | | | | 2 | D Goffin | 6 | 6$^7$ | 6 | | | | | | | | | |

## Qualifying
### Seeds

* Teymuraz Gabashvili (qualifying competition, lucky loser)
* Steven Diez (first round)
* Maximilian Marterer (qualified)
* Mathias Bourgue (qualified)
* Hiroki Moriya (first round)
* Stefanos Tsitsipas (first round)
* Marko Tepavac (qualifying competition, lucky loser)
* Daniel Brands (qualified)

### Qualifiers

* Daniel Brands
* Cedrik-Marcel Stebe
* Maximilian Marterer
* Mathias Bourgue

### Lucky losers

* Teymuraz Gabashvili
* Marko Tepavac

### Qualifying draw
#### First qualifier

| First round | First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 1 | Teymuraz Gabashvili | 7 | 4 | 7$^7$ | | | | | |
| | Daniel Masur | 5 | 6 | 6$^5$ | | | | | |
| | Daniel Masur | 5 | 6 | 6$^5$ | 1 | Teymuraz Gabashvili | 4 | 6 | 4 |
| | | | | | 8 | Daniel Brands | 6 | 3 | 6 |
| | Yannick Mertens | 5 | 6 | 2 | 8 | Daniel Brands | 6 | 3 | 6 |
| 8 | Daniel Brands | 7 | 4 | 6 | | | | | |

#### Second qualifier

| First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 2 | Steven Diez | 3 | 6$^1$ | | | | |
| PR | Cedrik-Marcel Stebe | 6 | 7$^7$ | | | | |
| PR | Cedrik-Marcel Stebe | 6 | 7$^7$ | PR | Cedrik-Marcel Stebe | 7$^7$ | 6 |
| | | | | | Miljan Zekić | 6$^4$ | 0 |
| | Miljan Zekić | 6 | 6 | | Miljan Zekić | 6$^4$ | 0 |
| 6 | Stefanos Tsitsipas | 4 | 3 | | | | |

#### Third qualifier

| First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 3 | Maximilian Marterer | 6 | 6 | | | | |
| WC | Adrian Andreev | 2 | 0 | | | | |
| WC | Adrian Andreev | 2 | 0 | 3 | Maximilian Marterer | 7$^7$ | 7 |
| | | | | 7 | Marko Tepavac | 6$^4$ | 5 |
| WC | Sarp Ağabigün | 4 | 2 | 7 | Marko Tepavac | 6$^4$ | 5 |
| 7 | Marko Tepavac | 6 | 6 | | | | |

#### Fourth qualifier

| First round | First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 4 | Mathias Bourgue | 5 | 6 | 6 | | | | |
| | Alexandre Sidorenko | 7 | 3 | 2 | | | | |
| | Alexandre Sidorenko | 7 | 3 | 2 | 4 | Mathias Bourgue | 7$^9$ | 6 |
| | | | | | | Filip Krajinović | 6$^7$ | 4 |
| | Filip Krajinović | 6 | 6 | | | Filip Krajinović | 6$^7$ | 4 |
| 5 | Hiroki Moriya | 3 | 4 | | | | | |