# 2019 Slovak Open – Singles

Alexander Bublik was the defending champion but chose not to defend his title.
Dennis Novak won the title after defeating Damir Džumhur 6–1, 6–1 in the final.

## Seeds

All seeds receive a bye into the second round.
* Mikhail Kukushkin (quarterfinals, retired)
* Márton Fucsovics (second round)
* Stefano Travaglia (quarterfinals)
* Kamil Majchrzak (third round)
* Damir Džumhur (final)
* Alexei Popyrin (second round)
* Salvatore Caruso (third round)
* Lloyd Harris (quarterfinals)
* Egor Gerasimov (semifinals)
* Antoine Hoang (second round)
* Norbert Gombos (third round)
* Yannick Maden (third round)
* Peter Gojowczyk (third round)
* Jiří Veselý (second round)
* Gianluca Mager (second round)
* Elias Ymer (second 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

| Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals | Final | Final | Final | Final |
| 1 | Mikhail Kukushkin | 3 | 1$^r$ | | | | | | | | | |
| 5 | Damir Džumhur | 6 | 1 | | | | | | | | | |
| 5 | Damir Džumhur | 6 | 1 | | 5 | Damir Džumhur | 7$^7$ | 6 | | | | |
| | | | | | Q | Zdeněk Kolář | 6$^4$ | 3 | | | | |
| Q | Zdeněk Kolář | 6$^5$ | 7$^9$ | 6 | Q | Zdeněk Kolář | 6$^4$ | 3 | | | | |
| 8 | Lloyd Harris | 7$^7$ | 6$^7$ | 4 | | | | | | | | |
| 8 | Lloyd Harris | 7$^7$ | 6$^7$ | 4 | | | | | 5 | Damir Džumhur | 1 | 1 |
| | | | | | | | | | | Dennis Novak | 6 | 6 |
| | Dennis Novak | 6 | 2 | 7$^7$ | | | | | | | | | Dennis Novak | 6 | 6 |
| 3 | Stefano Travaglia | 4 | 6 | 6$^5$ | | | | | | | | |
| 3 | Stefano Travaglia | 4 | 6 | 6$^5$ | | Dennis Novak | 6 | 7$^7$ | | | | |
| | | | | | 9 | Egor Gerasimov | 4 | 6$^2$ | | | | |
| 9 | Egor Gerasimov | 7 | 3 | 6 | 9 | Egor Gerasimov | 4 | 6$^2$ | | | | |
| | Ilya Ivashka | 5 | 6 | 4 | | | | | | | | |

### Top half
#### Section 1

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Third round | Third round | Third round | Third round | Third round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals |
| | | | | | 1 | M Kukushkin | 6 | 6 | | | | | | | | | | |
| WC | M Valkusz | 3 | 2 | | | K Coppejans | 0 | 2 | | | | | | | | | | |
| | K Coppejans | 6 | 6 | | | | | | | 1 | M Kukushkin | 6 | 6$^4$ | 6 | | | | |
| WC | L Klein | 6 | 6 | | | | | | | WC | L Klein | 3 | 7$^7$ | 4 | | | | |
| | M Safwat | 2 | 3 | | WC | L Klein | 4 | 7$^7$ | 6 | | | | | | | | | |
| | | | | | 14 | J Veselý | 6 | 6$^5$ | 2 | | | | | | | | | |
| | | | | | | | | | | | | | | | 1 | M Kukushkin | 3 | 1$^r$ |
| | | | | | | | | | | | | | | | 5 | D Džumhur | 6 | 1 |
| | | | | | 10 | A Hoang | 4 | 2 | | | | | | | | | | |
| | E Ruusuvuori | 6 | 3 | 6 | | E Ruusuvuori | 6 | 6 | | | | | | | | | | |
| | M Cressy | 3 | 6 | 4 | | | | | | | E Ruusuvuori | 4 | 1 | | | | | |
| WC | L Lacko | 7 | 7$^8$ | | | | | | | 5 | D Džumhur | 6 | 6 | | | | | |
| | V Troicki | 5 | 6$^6$ | | WC | L Lacko | 4 | 6 | 1 | | | | | | | | | |
| | | | | | 5 | D Džumhur | 6 | 3 | 6 | | | | | | | | | |

#### Section 2

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Third round | Third round | Third round | Third round | Third round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals |
| | | | | | 4 | K Majchrzak | 7$^7$ | 6 | | | | | | | | | | | |
| Q | I Marchenko | 7 | 7$^7$ | | Q | I Marchenko | 6$^4$ | 0 | | | | | | | | | | | |
| | A Nedovyesov | 5 | 6$^2$ | | | | | | | 4 | K Majchrzak | 4 | 4 | | | | | | |
| | C Lestienne | 3 | 6 | 3 | | | | | | Q | Z Kolář | 6 | 6 | | | | | | |
| Q | Z Kolář | 6 | 4 | 6 | Q | Z Kolář | 7$^7$ | 6 | | | | | | | | | | | |
| | | | | | 15 | G Mager | 6$^5$ | 4 | | | | | | | | | | | |
| | | | | | | | | | | | | | | | Q | Z Kolář | 6$^5$ | 7$^9$ | 6 |
| | | | | | | | | | | | | | | | 8 | L Harris | 7$^7$ | 6$^7$ | 4 |
| | | | | | 12 | Y Maden | 6 | 2 | 6 | | | | | | | | | | |
| | O Otte | 6 | 6 | | | O Otte | 4 | 6 | 4 | | | | | | | | | | |
| Alt | S Mukund | 1 | 2 | | | | | | | 12 | Y Maden | 6 | 3 | 3 | | | | | |
| | M Bourgue | 4 | 6$^1$ | | | | | | | 8 | L Harris | 1 | 6 | 6 | | | | | |
| | L Rosol | 6 | 7$^7$ | | | L Rosol | 6$^5$ | 6$^5$ | | | | | | | | | | | |
| | | | | | 8 | L Harris | 7$^7$ | 7$^7$ | | | | | | | | | | | |

### Bottom half
#### Section 3

| First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Third round | Third round | Third round | Third round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals |
| | | | | 6 | A Popyrin | 4 | 7 | 4 | | | | | | | | | |
| D Novak | 7$^{11}$ | 6 | | | D Novak | 6 | 5 | 6 | | | | | | | | | |
| S Ofner | 6$^9$ | 2 | | | | | | | | D Novak | 7 | 6 | | | | | |
| C-M Stebe | 7 | 7 | | | | | | | 11 | N Gombos | 5 | 2 | | | | | |
| F Baldi | 5 | 5 | | | C-M Stebe | 2 | 0 | | | | | | | | | | |
| | | | | 11 | N Gombos | 6 | 6 | | | | | | | | | | |
| | | | | | | | | | | | | | | D Novak | 6 | 2 | 7$^7$ |
| | | | | | | | | | | | | | 3 | S Travaglia | 4 | 6 | 6$^5$ |
| | | | | 16 | E Ymer | 6 | 6$^7$ | 3 | | | | | | | | | |
| R Marcora | 3 | 6 | 7$^7$ | | R Marcora | 1 | 7$^9$ | 6 | | | | | | | | | |
| M Viola | 6 | 3 | 6$^3$ | | | | | | | R Marcora | 4 | 5 | | | | | |
| A Balázs | 4 | 4 | | | | | | | 3 | S Travaglia | 6 | 7 | | | | | |
| S Stakhovsky | 6 | 6 | | | S Stakhovsky | 4 | 5 | | | | | | | | | | |
| | | | | 3 | S Travaglia | 6 | 7 | | | | | | | | | | |

#### Section 4

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Third round | Third round | Third round | Third round | Third round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals |
| | | | | | 7 | S Caruso | 6 | 6 | | | | | | | | | | | |
| | F Gaio | 1 | 6 | 6 | | F Gaio | 4 | 4 | | | | | | | | | | | |
| | R Bemelmans | 6 | 4 | 3 | | | | | | 7 | S Caruso | 3 | 4 | | | | | | |
| | F Horanský | 6 | 6 | | | | | | | 9 | E Gerasimov | 6 | 6 | | | | | | |
| WC | Andrej Glváč | 4 | 3 | | | F Horanský | 3 | 5 | | | | | | | | | | | |
| | | | | | 9 | E Gerasimov | 6 | 7 | | | | | | | | | | | |
| | | | | | | | | | | | | | | | 9 | E Gerasimov | 7 | 3 | 6 |
| | | | | | | | | | | | | | | | | I Ivashka | 5 | 6 | 4 |
| | | | | | 13 | P Gojowczyk | 3 | 7$^7$ | 6 | | | | | | | | | | |
| | N Milojević | 3 | 4 | | WC | A Molčan | 6 | 6$^4$ | 4 | | | | | | | | | | |
| WC | A Molčan | 6 | 6 | | | | | | | 13 | P Gojowczyk | 2 | 6 | 0 | | | | | |
| | I Ivashka | 6 | 7$^7$ | | | | | | | | I Ivashka | 6 | 4 | 6 | | | | | |
| | E Benchetrit | 1 | 6$^5$ | | | I Ivashka | 3 | 7$^7$ | 7$^9$ | | | | | | | | | | |
| | | | | | 2 | M Fucsovics | 6 | 6$^5$ | 6$^7$ | | | | | | | | | | |