# 2017 Slovak Open – Singles

Norbert Gombos was the defending champion but lost in the first round to Jerzy Janowicz.
Lukáš Lacko won the title after defeating Marius Copil 6–4, 7–6$^{(7–4)}$ in the final.

## Seeds

* Mikhail Kukushkin (semifinals, retired)
* Márton Fucsovics (second round)
* Andreas Seppi (quarterfinals)
* Marius Copil (final)
* Marcos Baghdatis (second round, retired)
* Sergiy Stakhovsky (first round)
* Norbert Gombos (first round)
* Lukáš Lacko (champion)

## 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 |
| 1 | Mikhail Kukushkin | 3 | 0$^r$ | | | | |
| 4 | Marius Copil | 6 | 3 | | | | |
| 4 | Marius Copil | 6 | 3 | 4 | Marius Copil | 4 | 6$^4$ |
| | | | | 8 | Lukáš Lacko | 6 | 7$^7$ |
| | Jürgen Zopp | 6$^5$ | 2 | 8 | Lukáš Lacko | 6 | 7$^7$ |
| 8 | Lukáš Lacko | 7$^7$ | 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 | M Kukushkin | 6 | 6 | | | | | | | | | | | | | | | |
| | A Giannessi | 0 | 2 | | 1 | M Kukushkin | 6$^3$ | 6 | 6 | | | | | | | | | |
| PR | I Sijsling | 4 | 2 | | Q | N Desein | 7$^7$ | 3 | 4 | | | | | | | | | |
| Q | N Desein | 6 | 6 | | | | | | | 1 | M Kukushkin | 3 | 7$^7$ | 4 | | | | |
| | B Tomic | 7$^7$ | 6 | | | | | | | | J Janowicz | 6 | 6$^2$ | 0$^r$ | | | | |
| | R Berankis | 6$^3$ | 2 | | | B Tomic | 6$^3$ | 6$^2$ | | | | | | | | | | |
| | J Janowicz | 3 | 7 | 7$^7$ | | J Janowicz | 7$^7$ | 7$^7$ | | | | | | | | | | |
| 7 | N Gombos | 6 | 5 | 6$^5$ | | | | | | | | | | | 1 | M Kukushkin | 3 | 0$^r$ |
| 4 | M Copil | 6 | 5 | 6 | | | | | | | | | | | 4 | M Copil | 6 | 3 |
| WC | Patrik Néma | 4 | 7 | 4 | 4 | M Copil | 6 | 7 | | | | | | | | | | |
| Alt | P Krstin | 7$^7$ | 3 | 4 | WC | L Klein | 4 | 5 | | | | | | | | | | |
| WC | L Klein | 6$^5$ | 6 | 6 | | | | | | 4 | M Copil | 7$^7$ | 6 | | | | | |
| WC | A Nedovyesov | 2 | 2 | | | | | | | Q | K Majchrzak | 6$^4$ | 1 | | | | | |
| Q | K Majchrzak | 6 | 6 | | Q | K Majchrzak | 4 | 6 | 6 | | | | | | | | | |
| | A Martin | 7$^7$ | 6 | | | A Martin | 6 | 3 | 2 | | | | | | | | | |
| 6 | S Stakhovsky | 6$^3$ | 3 | | | | | | | | | | | | | | | |

### 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 | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals |
| 5 | M Baghdatis | 6 | 6 | | | | | | | | | | | | | | | |
| LL | M Viola | 4 | 4 | | 5 | M Baghdatis | 6$^{11}$ | 0$^r$ | | | | | | | | | | |
| Q | T Farquharson | 6$^4$ | 6 | 6$^5$ | | J Zopp | 7$^{13}$ | 2 | | | | | | | | | | |
| | J Zopp | 7$^7$ | 4 | 7$^7$ | | | | | | | J Zopp | 7$^7$ | 6 | | | | | |
| | U Ignatik | 6 | 1 | 7$^9$ | | | | | | 3 | A Seppi | 6$^4$ | 3 | | | | | |
| | V Šafránek | 2 | 6 | 6$^7$ | | U Ignatik | 6$^5$ | 6$^8$ | | | | | | | | | | |
| | S Ofner | 3 | 2 | | 3 | A Seppi | 7$^7$ | 7$^{10}$ | | | | | | | | | | |
| 3 | A Seppi | 6 | 6 | | | | | | | | | | | | | J Zopp | 6$^5$ | 2 |
| 8 | L Lacko | 6 | 6 | | | | | | | | | | | | 8 | L Lacko | 7$^7$ | 6 |
| | J Kovalík | 4 | 4 | | 8 | L Lacko | 6$^{11}$ | 6 | 6 | | | | | | | | | |
| | F Auger-Aliassime | 6 | 6 | | | F Auger-Aliassime | 7$^{13}$ | 4 | 3 | | | | | | | | | |
| | M Bachinger | 2 | 4 | | | | | | | 8 | L Lacko | 6 | 3 | 6 | | | | |
| | A Šetkić | 3 | 6 | 3 | | | | | | Q | F Škugor | 1 | 6 | 3 | | | | |
| Q | F Škugor | 6 | 2 | 6 | Q | F Škugor | 6$^4$ | 6 | 6 | | | | | | | | | |
| WC | Tomáš Líška | 0 | 0 | | 2 | M Fucsovics | 7$^7$ | 4 | 3 | | | | | | | | | |
| 2 | M Fucsovics | 6 | 6 | | | | | | | | | | | | | | | |