# 2018 BMW Open – Singles

Alexander Zverev was the defending champion and successfully defended his title, defeating Philipp Kohlschreiber in the final, 6–3, 6–3.

## Seeds

The top four seeds received a bye into the second round.
* Alexander Zverev (champion)
* Roberto Bautista Agut (quarterfinals)
* Diego Schwartzman (second round)
* Chung Hyeon (semifinals)
* Fabio Fognini (first round)
* Philipp Kohlschreiber (final)
* Gaël Monfils (first round)
* Yūichi Sugita (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 | Final | Final | Final | Final |
| 1 | Alexander Zverev | 7 | 6 | | | | |
| 4 | Chung Hyeon | 5 | 2 | | | | |
| 4 | Chung Hyeon | 5 | 2 | 1 | Alexander Zverev | 6 | 6 |
| | | | | 6 | Philipp Kohlschreiber | 3 | 3 |
| | Maximilian Marterer | 2 | 4 | 6 | Philipp Kohlschreiber | 3 | 3 |
| 6 | Philipp Kohlschreiber | 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 |
| | | | | | 1 | A Zverev | 6$^{12}$ | 6 | 6 | | | | | | | | |
| WC | Y Hanfmann | 6 | 6 | | WC | Y Hanfmann | 7$^{14}$ | 4 | 2 | | | | | | | | |
| | M Baghdatis | 2 | 4 | | | | | | | 1 | A Zverev | 6 | 6 | | | | |
| Q | D Masur | 6$^1$ | 4 | | | | | | | | J-L Struff | 3 | 2 | | | | |
| | J-L Struff | 7$^7$ | 6 | | | J-L Struff | 6 | 3 | 6 | | | | | | | | |
| SE | Y Maden | 4 | 7$^{11}$ | 6 | SE | Y Maden | 3 | 6 | 3 | | | | | | | | |
| 8 | Y Sugita | 6 | 6$^9$ | 2 | | | | | | | | | | 1 | A Zverev | 7 | 6 |
| | | | | | | | | | | | | | | 4 | H Chung | 5 | 2 |
| | | | | | 4 | H Chung | 6 | 6 | | | | | | | | | |
| | M Kukushkin | 6$^8$ | 6 | 3 | WC | M Bachinger | 1 | 1 | | | | | | | | | |
| WC | M Bachinger | 7$^{10}$ | 3 | 6 | | | | | | 4 | H Chung | 6 | 6 | | | | |
| | F Mayer | 6 | 4 | 3 | | | | | | Q | M Kližan | 3 | 4 | | | | |
| Q | M Kližan | 3 | 6 | 6 | Q | M Kližan | 4 | 6 | 7 | | | | | | | | |
| | M Bašić | 6 | 3 | 6 | | M Bašić | 6 | 3 | 5 | | | | | | | | |
| 7 | G Monfils | 2 | 6 | 3 | | | | | | | | | | | | | |

### Bottom half

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals |
| 5 | F Fognini | 7 | 3 | 2 | | | | | | | | | | | | |
| SE | M Cecchinato | 5 | 6 | 6 | SE | M Cecchinato | 6$^5$ | 1 | | | | | | | | |
| | M Fucsovics | 6 | 7 | | | M Fucsovics | 7$^7$ | 6 | | | | | | | | |
| | G Pella | 4 | 5 | | | | | | | M Fucsovics | 3 | 4 | | | | |
| | M Marterer | 5 | | | | | | | | M Marterer | 6 | 6 | | | | |
| Q | D Brown | 6$^r$ | | | | M Marterer | 6 | 6 | | | | | | | | |
| | | | | | 3 | D Schwartzman | 4 | 2 | | | | | | | | |
| | | | | | | | | | | | | | | M Marterer | 2 | 4 |
| 6 | P Kohlschreiber | 7 | 6 | | | | | | | | | | 6 | P Kohlschreiber | 6 | 6 |
| | I Karlović | 5 | 4 | | 6 | P Kohlschreiber | 6 | 6 | | | | | | | | |
| | M Zverev | 6 | 6 | | | M Zverev | 2 | 2 | | | | | | | | |
| PR | A Haider-Maurer | 4 | 3 | | | | | | 6 | P Kohlschreiber | 6 | 6 | | | | |
| WC | C Ruud | 7$^7$ | 6 | | | | | | 2 | R Bautista Agut | 4 | 4 | | | | |
| Q | M Copil | 6$^3$ | 3 | | WC | C Ruud | 4 | 3 | | | | | | | | |
| | | | | | 2 | R Bautista Agut | 6 | 6 | | | | | | | | |

## Qualifying
### Seeds

* Marius Copil (qualified)
* Jürgen Zopp (first round)
* Alexey Vatutin (first round)
* Martin Kližan (qualified)
* Jozef Kovalík (qualifying competition)
* Norbert Gombos (qualifying competition)
* Andrej Martin (qualifying competition)
* Dustin Brown (qualified)

### Qualifiers

* Marius Copil
* Dustin Brown
* Daniel Masur
* Martin Kližan

### Qualifying draw
#### First qualifier

| First round | First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 1/Alt | Marius Copil | 6 | 6 | | | | | | |
| | Tim Pütz | 3 | 2 | | | | | | |
| | Tim Pütz | 3 | 2 | | 1/Alt | Marius Copil | 4 | 6 | 6 |
| | | | | | 7 | Andrej Martin | 6 | 3 | 4 |
| PR | Jürgen Melzer | 6 | 3 | 4 | 7 | Andrej Martin | 6 | 3 | 4 |
| 7 | Andrej Martin | 1 | 6 | 6 | | | | | |

#### Second qualifier

| First round | First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 2 | Jürgen Zopp | 3 | 2 | | | | | | |
| | Dennis Novak | 6 | 6 | | | | | | |
| | Dennis Novak | 6 | 6 | | | Dennis Novak | 3 | 7$^7$ | 6$^5$ |
| | | | | | 8 | Dustin Brown | 6 | 6$^4$ | 7$^7$ |
| Alt | Kevin Krawietz | 3 | 6 | 6$^2$ | 8 | Dustin Brown | 6 | 6$^4$ | 7$^7$ |
| 8 | Dustin Brown | 6 | 3 | 7$^7$ | | | | | |

#### Third qualifier

| First round | First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 3 | Alexey Vatutin | 3 | 6 | 3 | | | | | |
| WC | Daniel Masur | 6 | 1 | 6 | | | | | |
| WC | Daniel Masur | 6 | 1 | 6 | WC | Daniel Masur | 6 | 6$^1$ | 6 |
| | | | | | 6 | Norbert Gombos | 3 | 7$^7$ | 4 |
| WC | Rudolf Molleker | 6 | 2 | 4 | 6 | Norbert Gombos | 3 | 7$^7$ | 4 |
| 6 | Norbert Gombos | 2 | 6 | 6 | | | | | |

#### Fourth qualifier

| First round | First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 4 | Martin Kližan | 4 | 6 | 6 | | | | |
| | Ernests Gulbis | 6 | 3 | 4 | | | | |
| | Ernests Gulbis | 6 | 3 | 4 | 4 | Martin Kližan | 6 | 6 |
| | | | | | 5 | Jozef Kovalík | 1 | 2 |
| | Sergio Gutiérrez Ferrol | 2 | 6$^3$ | | 5 | Jozef Kovalík | 1 | 2 |
| 5 | Jozef Kovalík | 6 | 7$^7$ | | | | | |