# 2018 Bauer Watertechnology Cup – Singles

Maximilian Marterer was the defending champion but chose not to defend his title.
Antoine Hoang won the title after defeating Ruben Bemelmans 7–5, 6–3 in the final.

## Seeds

* Lukáš Lacko (first round)
* Hubert Hurkacz (second round, retired)
* Guillermo García López (second round)
* Evgeny Donskoy (semifinals)
* Yannick Maden (first round)
* Marcos Baghdatis (first round)
* Ruben Bemelmans (final)
* Dennis Novak (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

| Semifinals | Semifinals | Semifinals | Semifinals | Final | Final | Final | Final |
| 7 | Ruben Bemelmans | 6 | 6 | | | | |
| 4 | Evgeny Donskoy | 2 | 3 | | | | |
| 4 | Evgeny Donskoy | 2 | 3 | 7 | Ruben Bemelmans | 5 | 3 |
| | | | | | Antoine Hoang | 7 | 6 |
| Q | Gleb Sakharov | 4 | 2 | | Antoine Hoang | 7 | 6 |
| | Antoine Hoang | 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 | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals |
| 1 | L Lacko | 6$^1$ | 3 | | | | | | | | | | | | | | | |
| | S Bolelli | 7$^7$ | 6 | | | S Bolelli | 4 | 7 | 3 | | | | | | | | | |
| WC | D Masur | 6 | 6 | | WC | D Masur | 6 | 5 | 6 | | | | | | | | | |
| LL | B Gojo | 3 | 0 | | | | | | | WC | D Masur | 6 | 2 | 3 | | | | |
| WC | L Wessels | 3 | 1 | | | | | | | 7 | R Bemelmans | 1 | 6 | 6 | | | | |
| | O Otte | 6 | 6 | | | O Otte | 4 | 1 | | | | | | | | | | |
| | D Brands | 6 | 4 | 3 | 7 | R Bemelmans | 6 | 6 | | | | | | | | | | |
| 7 | R Bemelmans | 4 | 6 | 6 | | | | | | | | | | | 7 | R Bemelmans | 6 | 6 |
| 4 | E Donskoy | 6 | 6 | | | | | | | | | | | | 4 | E Donskoy | 2 | 3 |
| Q | I Sijsling | 1 | 1 | | 4 | E Donskoy | 5 | 7 | 6 | | | | | | | | | |
| | K de Schepper | 6$^3$ | 4 | | LL | B Bonzi | 7 | 5 | 4 | | | | | | | | | |
| LL | B Bonzi | 7$^7$ | 6 | | | | | | | 4 | E Donskoy | 6 | 7$^7$ | | | | | |
| LL | A Bublik | 1 | 6 | 6 | | | | | | Q | A Olivetti | 4 | 6$^2$ | | | | | |
| | A Martin | 6 | 2 | 2 | LL | A Bublik | 2 | 6$^3$ | | | | | | | | | | |
| Q | A Olivetti | 7$^7$ | 3 | 6 | Q | A Olivetti | 6 | 7$^7$ | | | | | | | | | | |
| 6 | M Baghdatis | 6$^5$ | 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 |
| 8 | D Novak | 7 | 6 | | | | | | | | | | | | | | | |
| | M Moraing | 5 | 4 | | 8 | D Novak | 2 | 7$^{10}$ | 4 | | | | | | | | | |
| WC | K Krawietz | 7$^{11}$ | 4 | 6$^3$ | | M Bachinger | 6 | 6$^8$ | 6 | | | | | | | | | |
| | M Bachinger | 6$^9$ | 6 | 7$^7$ | | | | | | | M Bachinger | 6 | 5 | 1 | | | | |
| Alt | A Vatutin | 1 | 4 | | | | | | | Q | G Sakharov | 3 | 7 | 6 | | | | |
| Q | G Sakharov | 6 | 6 | | Q | G Sakharov | 6 | 7$^7$ | | | | | | | | | | |
| | Q Halys | 6$^7$ | 6$^5$ | | 3 | G García López | 4 | 6$^0$ | | | | | | | | | | |
| 3 | G García López | 7$^9$ | 7$^7$ | | | | | | | | | | | | Q | G Sakharov | 4 | 2 |
| 5 | Y Maden | 3 | 6$^3$ | | | | | | | | | | | | | A Hoang | 6 | 6 |
| | A Hoang | 6 | 7$^7$ | | | A Hoang | 6 | 6 | | | | | | | | | | |
| Q | R Marcora | 4 | 4 | | | S Stakhovsky | 2 | 2 | | | | | | | | | | |
| | S Stakhovsky | 6 | 6 | | | | | | | | A Hoang | 6 | 1 | 6 | | | | |
| | L Rosol | 3 | 6 | 6 | | | | | | | L Rosol | 3 | 6 | 4 | | | | |
| WC | R Molleker | 6 | 3 | 2 | | L Rosol | 5 | | | | | | | | | | | |
| | M Donati | 3 | 6 | 3 | 2 | H Hurkacz | 2$^r$ | | | | | | | | | | | |
| 2 | H Hurkacz | 6 | 3 | 6 | | | | | | | | | | | | | | |