# 2018 German Open – Singles

Leonardo Mayer was the defending champion, but lost in the final to Nikoloz Basilashvili, 4–6, 6–0, 5–7. This was Basilashvili's first ATP World Tour title, as well as the first ATP title won by a Georgian player since Alexander Metreveli.

## Seeds

* Dominic Thiem (quarterfinals)
* Diego Schwartzman (quarterfinals)
* Pablo Carreño Busta (quarterfinals)
* Damir Džumhur (first round)
* Philipp Kohlschreiber (first round)
* Marco Cecchinato (first round)
* Richard Gasquet (second round, withdrew)
* Fernando Verdasco (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 | Semifinals | Final | Final | Final | Final | Final |
| | Nicolás Jarry | 5 | 6 | 1 | | | | | |
| Q | Nikoloz Basilashvili | 7 | 0 | 6 | | | | | |
| Q | Nikoloz Basilashvili | 7 | 0 | 6 | Q | Nikoloz Basilashvili | 6 | 0 | 7 |
| | | | | | | Leonardo Mayer | 4 | 6 | 5 |
| Q | Jozef Kovalík | 7$^8$ | 4 | 6$^7$ | | Leonardo Mayer | 4 | 6 | 5 |
| | Leonardo Mayer | 6$^6$ | 6 | 7$^9$ | | | | | |

### Top 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 | Semifinals |
| 1 | D Thiem | 6 | 6 | | | | | | | | | | | | | | |
| Q | C Moutet | 4 | 2 | | 1 | D Thiem | 6 | 6 | | | | | | | | | |
| | J Millman | 7 | 6 | | | J Millman | 2 | 2 | | | | | | | | | |
| | J-L Struff | 5 | 3 | | | | | | 1 | D Thiem | 6$^5$ | 6$^7$ | | | | | |
| | N Jarry | 6 | 6 | | | | | | | N Jarry | 7$^7$ | 7$^9$ | | | | | |
| | P Gojowczyk | 1 | 2 | | | N Jarry | w/o | | | | | | | | | | |
| | B Paire | 5 | 3 | | 7 | R Gasquet | | | | | | | | | | | |
| 7 | R Gasquet | 7 | 6 | | | | | | | | | | | N Jarry | 5 | 6 | 1 |
| 3 | P Carreño Busta | 2 | 6 | 7$^7$ | | | | | | | | | Q | N Basilashvili | 7 | 0 | 6 |
| WC | F Mayer | 6 | 1 | 6$^4$ | 3 | P Carreño Busta | 6 | 4 | | | | | | | | | |
| | A Bedene | 6 | 1 | 6 | | A Bedene | 2 | 0$^r$ | | | | | | | | | |
| SE | H Laaksonen | 3 | 6 | 4 | | | | | 3 | P Carreño Busta | 6$^3$ | 4 | | | | | |
| | M Fucsovics | 3 | 2 | | | | | | Q | N Basilashvili | 7$^7$ | 6 | | | | | |
| | P Cuevas | 6 | 6 | | | P Cuevas | 6$^6$ | 4 | | | | | | | | | |
| Q | N Basilashvili | 7 | 1 | 6 | Q | N Basilashvili | 7$^8$ | 6 | | | | | | | | | |
| 5 | P Kohlschreiber | 5 | 6 | 4 | | | | | | | | | | | | | |

### 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 |
| 8 | F Verdasco | 6 | 4 | 7$^7$ | | | | | | | | | | | | | | | |
| | D Lajović | 3 | 6 | 6$^5$ | 8 | F Verdasco | 6 | 2 | 5 | | | | | | | | | | |
| | G Simon | 6$^2$ | 2 | | LL | T Monteiro | 3 | 6 | 7 | | | | | | | | | | |
| LL | T Monteiro | 7$^7$ | 6 | | | | | | | LL | T Monteiro | 6 | 3 | 2 | | | | | |
| | D Ferrer | 5 | 7 | 3 | | | | | | Q | J Kovalík | 3 | 6 | 6 | | | | | |
| WC | R Molleker | 7 | 5 | 6 | WC | R Molleker | 4 | 0 | | | | | | | | | | | |
| Q | J Kovalík | 6 | 6 | | Q | J Kovalík | 6 | 6 | | | | | | | | | | | |
| 4 | D Džumhur | 2 | 4 | | | | | | | | | | | | Q | J Kovalík | 7$^8$ | 4 | 6$^7$ |
| 6 | M Cecchinato | 4 | 6 | 4 | | | | | | | | | | | | L Mayer | 6$^6$ | 6 | 7$^9$ |
| | G Monfils | 6 | 3 | 6 | | G Monfils | 1 | 5 | | | | | | | | | | | |
| | L Mayer | 6 | 6 | | | L Mayer | 6 | 7 | | | | | | | | | | | |
| | A Ramos Viñolas | 3 | 2 | | | | | | | | L Mayer | 6 | 4 | 6 | | | | | |
| Q | D Masur | 6 | 6 | | | | | | | 2 | D Schwartzman | 3 | 6 | 3 | | | | | |
| | M Marterer | 3 | 4 | | Q | D Masur | 2 | 2 | | | | | | | | | | | |
| WC | C Ruud | 4 | 6 | 2 | 2 | D Schwartzman | 6 | 6 | | | | | | | | | | | |
| 2 | D Schwartzman | 6 | 2 | 6 | | | | | | | | | | | | | | | |

## Qualifying
### Seeds

* Nikoloz Basilashvili (qualified)
* Jozef Kovalík (qualified)
* Corentin Moutet (qualified)
* Lorenzo Sonego (first round)
* Martin Kližan (first round)
* Thiago Monteiro (qualifying competition, Lucky loser)
* Calvin Hemery (first round)
* Carlos Berlocq (first round)

### Qualifiers

* Nikoloz Basilashvili
* Jozef Kovalík
* Corentin Moutet
* Daniel Masur

### Lucky loser

* Thiago Monteiro

### Qualifying draw
#### First qualifier

| First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 1 | Nikoloz Basilashvili | 7 | 6 | | | | | |
| | Tobias Kamke | 5 | 2 | | | | | |
| | Tobias Kamke | 5 | 2 | 1 | Nikoloz Basilashvili | 6 | 4 | 7 |
| | | | | PR | Jürgen Melzer | 4 | 6 | 5 |
| PR | Jürgen Melzer | 6 | 6 | PR | Jürgen Melzer | 4 | 6 | 5 |
| 5 | Martin Kližan | 3 | 4 | | | | | |

#### Second qualifier

| First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 2 | Jozef Kovalík | 6 | 6 | | | | | |
| WC | Niklas Guttau | 0 | 1 | | | | | |
| WC | Niklas Guttau | 0 | 1 | 2 | Jozef Kovalík | 6 | 3 | 6 |
| | | | | 6 | Thiago Monteiro | 3 | 6 | 0 |
| | Roberto Quiroz | 4 | 3 | 6 | Thiago Monteiro | 3 | 6 | 0 |
| 6 | Thiago Monteiro | 6 | 6 | | | | | |

#### Third qualifier

| First round | First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 3 | Corentin Moutet | 6 | 6 | | | | | |
| WC | Marvin Möller | 2 | 3 | | | | | |
| WC | Marvin Möller | 2 | 3 | | 3 | Corentin Moutet | 6 | 6 |
| | | | | | | Danilo Petrović | 4 | 4 |
| | Danilo Petrović | 5 | 7$^7$ | 7 | | Danilo Petrović | 4 | 4 |
| 7 | Calvin Hemery | 7 | 6$^4$ | 5 | | | | |

#### Fourth qualifier

| First round | First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 4 | Lorenzo Sonego | 6 | 1 | 6$^3$ | | | | | |
| Alt | Renzo Olivo | 3 | 6 | 7$^7$ | | | | | |
| Alt | Renzo Olivo | 3 | 6 | 7$^7$ | Alt | Renzo Olivo | 6 | 5 | 5 |
| | | | | | WC | Daniel Masur | 4 | 7 | 7 |
| WC | Daniel Masur | 7$^7$ | 4 | 6 | WC | Daniel Masur | 4 | 7 | 7 |
| 8 | Carlos Berlocq | 6$^4$ | 6 | 3 | | | | | |