# 2017 Bauer Watertechnology Cup – Singles

Steve Darcis was the defending champion but chose not to defend his title.
Maximilian Marterer won the title after defeating Jerzy Janowicz 7–6$^{(10–8)}$, 3–6, 6–3 in the final.

## Seeds

* Ruben Bemelmans (quarterfinals)
* Maximilian Marterer (champion)
* Alexander Bublik (second round)
* Yannick Hanfmann (first round)
* Dustin Brown (second round)
* Lukáš Lacko (first round)
* Jerzy Janowicz (final)
* Sebastian Ofner (semifinals)

## 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 |
| 7 | Jerzy Janowicz | 6$^{10}$ | 6 | 6 | | | | | |
| | Matthias Bachinger | 7$^{12}$ | 4 | 3 | | | | | |
| | Matthias Bachinger | 7$^{12}$ | 4 | 3 | 7 | Jerzy Janowicz | 6$^8$ | 6 | 3 |
| | | | | | 2 | Maximilian Marterer | 7$^{10}$ | 3 | 6 |
| 8 | Sebastian Ofner | 4 | 4 | | 2 | Maximilian Marterer | 7$^{10}$ | 3 | 6 |
| 2 | Maximilian Marterer | 6 | 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 | Semifinals | Semifinals | Semifinals | Semifinals | Semifinals |
| 1 | R Bemelmans | 6 | 6 | | | | | | | | | | | | | | | |
| | L Harris | 3 | 2 | | 1 | R Bemelmans | 6 | 6$^5$ | 6 | | | | | | | | | |
| | L Vanni | 6$^2$ | 6 | 6 | | L Vanni | 3 | 7$^7$ | 1 | | | | | | | | | |
| | U Ignatik | 7$^7$ | 4 | 2 | | | | | | 1 | R Bemelmans | 4 | 4 | | | | | |
| Q | E Furness | 3 | 2 | | | | | | | 7 | J Janowicz | 6 | 6 | | | | | |
| PR | I Sijsling | 6 | 6 | | PR | I Sijsling | 6$^3$ | 3 | | | | | | | | | | |
| | F Auger-Aliassime | 6$^3$ | 1 | | 7 | J Janowicz | 7$^7$ | 6 | | | | | | | | | | |
| 7 | J Janowicz | 7$^7$ | 6 | | | | | | | | | | | 7 | J Janowicz | 6$^{10}$ | 6 | 6 |
| 4 | Y Hanfmann | 4 | 2 | | | | | | | | | | | | M Bachinger | 7$^{12}$ | 4 | 3 |
| | A de Minaur | 6 | 6 | | | A de Minaur | 7 | 6 | | | | | | | | | | |
| | T Robredo | 6 | 6 | | | T Robredo | 5 | 3 | | | | | | | | | | |
| WC | R Molleker | 4 | 2 | | | | | | | | A de Minaur | 4 | 1 | | | | | |
| WC | D Altmaier | 4 | 0 | | | | | | | | M Bachinger | 6 | 6 | | | | | |
| | M Bachinger | 6 | 6 | | | M Bachinger | 6 | 6 | | | | | | | | | | |
| Q | K de Schepper | 2 | 5 | | 5 | D Brown | 0 | 4 | | | | | | | | | | |
| 5 | D Brown | 6 | 7 | | | | | | | | | | | | | | | |

### 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 |
| 8 | S Ofner | 6 | 7 | | | | | | | | | | | | | | |
| | S Caruso | 3 | 5 | | 8 | S Ofner | 7$^7$ | 6 | | | | | | | | | |
| | A Šetkić | 1 | 6 | 6 | | A Šetkić | 6$^5$ | 3 | | | | | | | | | |
| WC | D Masur | 6 | 3 | 2 | | | | | | 8 | S Ofner | 6 | 6 | | | | |
| | K-M Maamoun | 4 | 5 | | | | | | | | M Bašić | 3 | 4 | | | | |
| | M Bašić | 6 | 7 | | | M Bašić | 7 | 7$^7$ | | | | | | | | | |
| WC | Jeremy Jahn | 4 | 4 | | 3 | A Bublik | 5 | 6$^5$ | | | | | | | | | |
| 3 | A Bublik | 6 | 6 | | | | | | | | | | | 8 | S Ofner | 4 | 4 |
| 6 | L Lacko | 2 | 6 | 1 | | | | | | | | | | 2 | M Marterer | 6 | 6 |
| SE | C Moutet | 6 | 1 | 6 | SE | C Moutet | 6 | 3 | | | | | | | | | |
| | K Kravchuk | 4 | 3 | | LL | Y Marti | 2 | 0$^r$ | | | | | | | | | |
| LL | Y Marti | 6 | 6 | | | | | | | SE | C Moutet | 0 | 1 | | | | |
| Q | R Kern | 6$^5$ | 2 | | | | | | | 2 | M Marterer | 6 | 6 | | | | |
| | S Bolelli | 7$^7$ | 6 | | | S Bolelli | 7$^7$ | 6$^2$ | 3 | | | | | | | | |
| Q | M Bourgue | 7$^{13}$ | 6$^2$ | 3 | 2 | M Marterer | 6$^3$ | 7$^7$ | 6 | | | | | | | | |
| 2 | M Marterer | 6$^{11}$ | 7$^7$ | 6 | | | | | | | | | | | | | |