# 2017 Sparkassen Open – Singles

Thomaz Bellucci was the defending champion but lost in the first round to Gastão Elias.
Nicola Kuhn won the title after Viktor Galović retired trailing 6–2, 5–7, 2–4 in the final.

## Seeds

* Horacio Zeballos (first round, retired)
* Thomaz Bellucci (first round)
* Rogério Dutra Silva (first round)
* Carlos Berlocq (second round)
* Taro Daniel (first round)
* Norbert Gombos (second round)
* Dustin Brown (first round)
* Guido Pella (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 |
| | Márton Fucsovics | 5 | 6 | 4 | | | | | |
| Q | Nicola Kuhn | 7 | 4 | 6 | | | | | |
| Q | Nicola Kuhn | 7 | 4 | 6 | Q | Nicola Kuhn | 2 | 7 | 4 |
| | | | | | SE | Viktor Galović | 6 | 5 | 2$^r$ |
| SE | Viktor Galović | 4 | 7$^7$ | 6 | SE | Viktor Galović | 6 | 5 | 2$^r$ |
| | Oscar Otte | 6 | 6$^2$ | 1 | | | | | |

### 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 | Semifinals |
| 1/WC | H Zeballos | 3 | 2$^r$ | | | | | | | | | | | | | | | | |
| | Y Hanfmann | 6 | 4 | | | Y Hanfmann | 6 | 0 | 5 | | | | | | | | | | |
| | R Albot | 4 | 6 | 7 | | R Albot | 4 | 6 | 7 | | | | | | | | | | |
| WC | D Altmaier | 6 | 4 | 5 | | | | | | | R Albot | 2 | 2 | | | | | | |
| SE | C-M Stebe | 4 | 7 | 6 | | | | | | | M Fucsovics | 6 | 6 | | | | | | |
| | A Balázs | 6 | 5 | 2 | SE | C-M Stebe | 4 | 1 | | | | | | | | | | | |
| | M Fucsovics | 7$^{10}$ | 3 | 6 | | M Fucsovics | 6 | 6 | | | | | | | | | | | |
| 8 | G Pella | 6$^8$ | 6 | 2 | | | | | | | | | | | | M Fucsovics | 5 | 6 | 4 |
| 4 | C Berlocq | 6 | 3 | 6 | | | | | | | | | | | Q | N Kuhn | 7 | 4 | 6 |
| | J Šátral | 3 | 6 | 4 | 4 | C Berlocq | 4 | 5 | | | | | | | | | | | |
| Q | N Kuhn | 6 | 6 | | Q | N Kuhn | 6 | 7 | | | | | | | | | | | |
| Q | G Oliveira | 4 | 2 | | | | | | | Q | N Kuhn | 7$^7$ | 5 | 7$^8$ | | | | | |
| | J Kovalík | 6 | 7$^7$ | | | | | | | | J Kovalík | 6$^1$ | 7 | 6$^6$ | | | | | |
| | T Monteiro | 3 | 6$^5$ | | | J Kovalík | 6 | 6 | | | | | | | | | | | |
| | M Cecchinato | 6 | 1 | 6 | | M Cecchinato | 2 | 4 | | | | | | | | | | | |
| 7 | D Brown | 3 | 6 | 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 | Semifinals |
| 6 | N Gombos | 6 | 6 | | | | | | | | | | | | | | | | |
| | P-H Mathieu | 1 | 1 | | 6 | N Gombos | 4 | 6 | 2 | | | | | | | | | | |
| SE | V Galović | 5 | 6 | 6 | SE | V Galović | 6 | 3 | 6 | | | | | | | | | | |
| | F Mayer | 7 | 3 | 3 | | | | | | SE | V Galović | 6 | 6 | | | | | | |
| WC | Y Maden | 6 | 7$^7$ | | | | | | | WC | Y Maden | 3 | 3 | | | | | | |
| Q | George von Massow | 1 | 6$^5$ | | WC | Y Maden | 6 | 7 | | | | | | | | | | | |
| Q | A Michon | 6 | 6$^7$ | 6 | Q | A Michon | 3 | 5 | | | | | | | | | | | |
| 3 | R Dutra Silva | 4 | 7$^9$ | 3 | | | | | | | | | | | SE | V Galović | 4 | 7$^7$ | 6 |
| 5 | T Daniel | 6 | 4 | 6$^0$ | | | | | | | | | | | | O Otte | 6 | 6$^2$ | 1 |
| | M Marterer | 2 | 6 | 7$^7$ | | M Marterer | 2 | 6 | 3 | | | | | | | | | | |
| WC | L Wessels | 1 | 4 | | | O Otte | 6 | 2 | 6 | | | | | | | | | | |
| | O Otte | 6 | 6 | | | | | | | | O Otte | 4 | 7 | 6 | | | | | |
| | U Ignatik | 4 | 4 | | | | | | | | J Janowicz | 6 | 5 | 4 | | | | | |
| | J Janowicz | 6 | 6 | | | J Janowicz | 6 | 7$^7$ | | | | | | | | | | | |
| | G Elias | 7 | 6 | | | G Elias | 4 | 6$^4$ | | | | | | | | | | | |
| 2 | T Bellucci | 5 | 2 | | | | | | | | | | | | | | | | |