# 2017 Tilia Slovenia Open – Singles

Florian Mayer was the defending champion but chose not to defend his title.
Sergiy Stakhovsky won the title after defeating Matteo Berrettini 6–7$^{(4–7)}$, 7–6$^{(8–6)}$, 6–3 in the final.

## Seeds

* Blaž Kavčič (second round)
* Peter Gojowczyk (first round, retired)
* Sergiy Stakhovsky (champion)
* Lukáš Lacko (first round, retired)
* Egor Gerasimov (first round)
* Filip Krajinović (quarterfinals)
* Adrián Menéndez Maceiras (second round)
* Jozef Kovalík (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 | Semifinals | Final | Final | Final | Final | Final |
| | Aldin Šetkić | 2 | 4 | | | | | | |
| | Matteo Berrettini | 6 | 6 | | | | | | |
| | Matteo Berrettini | 6 | 6 | | | Matteo Berrettini | 7$^7$ | 6$^6$ | 3 |
| | | | | | 3 | Sergiy Stakhovsky | 6$^4$ | 7$^8$ | 6 |
| 3 | Sergiy Stakhovsky | 4 | 6 | 7 | 3 | Sergiy Stakhovsky | 6$^4$ | 7$^8$ | 6 |
| | Stefanos Tsitsipas | 6 | 4 | 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 |
| 1 | B Kavčič | 6 | 6 | | | | | | | | | | | | | |
| Q | E Karlovskiy | 4 | 4 | | 1 | B Kavčič | 3 | 6$^6$ | | | | | | | | |
| WC | T Kočevar-Dešman | 2 | 7$^7$ | 4 | | A Šetkić | 6 | 7$^8$ | | | | | | | | |
| | A Šetkić | 6 | 6$^4$ | 6 | | | | | | A Šetkić | 6$^4$ | 6 | 6 | | | |
| Q | Lj Čelebić | 3 | 3 | | | | | | | P Martínez | 7$^7$ | 4 | 4 | | | |
| | R Ortega Olmedo | 6 | 6 | | | R Ortega Olmedo | 6 | 0 | 3 | | | | | | | |
| | P Martínez | 1 | 6 | 7 | | P Martínez | 4 | 6 | 6 | | | | | | | |
| 8 | J Kovalík | 6 | 3 | 5 | | | | | | | | | | A Šetkić | 2 | 4 |
| 4 | L Lacko | 4 | 0$^r$ | | | | | | | | | | | M Berrettini | 6 | 6 |
| WC | Jaime Fermosell Delgado | 6 | 3 | | WC | J Fermosell Delgado | 3 | 2 | | | | | | | | |
| | D Popko | 3 | 3 | | | I Ivashka | 6 | 6 | | | | | | | | |
| | I Ivashka | 6 | 6 | | | | | | | I Ivashka | 4 | 4 | | | | |
| | L Giustino | 6 | 3 | 4 | | | | | | M Berrettini | 6 | 6 | | | | |
| | M Berrettini | 3 | 6 | 6 | | M Berrettini | 7$^8$ | 6 | | | | | | | | |
| | A Balázs | 5 | 0 | | 7 | A Menéndez Maceiras | 6$^6$ | 1 | | | | | | | | |
| 7 | A Menéndez Maceiras | 7 | 6 | | | | | | | | | | | | | |

### Bottom half

| 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 | Semifinals |
| 6 | F Krajinović | 6 | 6 | | | | | | | | | | | | | | | |
| | L Rosol | 4 | 2 | 6 | F Krajinović | 6 | 6 | | | | | | | | | | | |
| | G Žemlja | 6 | 6 | | G Žemlja | 2 | 3 | | | | | | | | | | | |
| WC | Grega Boh | 1 | 2 | | | | | | 6 | F Krajinović | 1 | 6 | 3 | | | | | |
| Q | A Olivetti | 6 | 6 | | | | | | 3 | S Stakhovsky | 6 | 3 | 6 | | | | | |
| SE | G Granollers | 4 | 3 | Q | A Olivetti | 2 | 2 | | | | | | | | | | | |
| Alt | M Viola | 6$^3$ | 2 | 3 | S Stakhovsky | 6 | 6 | | | | | | | | | | | |
| 3 | S Stakhovsky | 7$^7$ | 6 | | | | | | | | | | | 3 | S Stakhovsky | 4 | 6 | 7 |
| 5 | E Gerasimov | 5 | 3 | | | | | | | | | | | | S Tsitsipas | 6 | 4 | 5 |
| | L Vanni | 7 | 6 | | L Vanni | 6 | 3 | 4 | | | | | | | | | | |
| | A de Minaur | 2 | 3 | | S Tsitsipas | 3 | 6 | 6 | | | | | | | | | | |
| | S Tsitsipas | 6 | 6 | | | | | | | S Tsitsipas | 7$^7$ | 7$^8$ | | | | | | |
| WC | Sven Lah | 6 | 6 | | | | | | Q | F Škugor | 6$^3$ | 6$^6$ | | | | | | |
| | R Ramírez Hidalgo | 4 | 4 | WC | S Lah | 6$^2$ | 3 | | | | | | | | | | | |
| Q | F Škugor | 6 | 3 | Q | F Škugor | 7$^7$ | 6 | | | | | | | | | | | |
| 2 | P Gojowczyk | 3 | 1$^r$ | | | | | | | | | | | | | | | |