# 2018 Gerry Weber Open – Singles

Borna Ćorić defeated the defending champion Roger Federer in the final, 7–6$^{(8–6)}$, 3–6, 6–2 to win the singles tennis title at the 2018 Halle Open. It was his first ATP 500 title. With Federer's loss, Rafael Nadal regained the world No. 1 ranking.

## Seeds

* Roger Federer (final)
* Alexander Zverev (first round)
* Dominic Thiem (second round)
* Roberto Bautista Agut (semifinals, retired)
* Lucas Pouille (first round)
* Philipp Kohlschreiber (second round)
* Kei Nishikori (second round)
* Richard Gasquet (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 | Finals | Finals | Finals | Finals | Finals |
| 1 | Roger Federer | 7$^7$ | 7 | | | | | |
| Q | Denis Kudla | 6$^1$ | 5 | | | | | |
| Q | Denis Kudla | 6$^1$ | 5 | 1 | Roger Federer | 6$^6$ | 6 | 2 |
| | | | | | Borna Ćorić | 7$^8$ | 3 | 6 |
| 4 | Roberto Bautista Agut | 3$^r$ | | | Borna Ćorić | 7$^8$ | 3 | 6 |
| | Borna Ćorić | 2 | | | | | | |

### 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 | R Federer | 6 | 6 | | | | | | | | | | | | | | |
| | A Bedene | 3 | 4 | | 1 | R Federer | 6 | 3 | 7$^9$ | | | | | | | | |
| | B Paire | 7 | 7$^7$ | | | B Paire | 3 | 6 | 6$^7$ | | | | | | | | |
| | S Johnson | 5 | 6$^5$ | | | | | | | 1 | R Federer | 7$^7$ | 7 | | | | |
| | M Jaziri | 0 | 6$^2$ | | | | | | | SE | M Ebden | 6$^2$ | 5 | | | | |
| SE | M Ebden | 6 | 7$^7$ | | SE | M Ebden | 4 | 6 | 6 | | | | | | | | |
| | M Fucsovics | 6 | 3 | 1$^r$ | 6 | P Kohlschreiber | 6 | 1 | 2 | | | | | | | | |
| 6 | P Kohlschreiber | 4 | 6 | 2 | | | | | | | | | | 1 | R Federer | 7$^7$ | 7 |
| 3 | D Thiem | 7$^7$ | 6 | | | | | | | | | | | Q | D Kudla | 6$^1$ | 5 |
| Q | M Youzhny | 6$^5$ | 2 | | 3 | D Thiem | 2 | 5 | | | | | | | | | |
| WC | M Marterer | 4 | 7 | 3 | | Y Sugita | 6 | 7 | | | | | | | | | |
| | Y Sugita | 6 | 5 | 6 | | | | | | | Y Sugita | 2 | 5 | | | | |
| Q | L Lacko | 4 | 4 | | | | | | | Q | D Kudla | 6 | 7 | | | | |
| Q | D Kudla | 6 | 6 | | Q | D Kudla | 6 | 6 | | | | | | | | | |
| | S Tsitsipas | 6 | 7$^7$ | | | S Tsitsipas | 3 | 4 | | | | | | | | | |
| 5 | L Pouille | 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 | Quarterfinals | Semifinals | Semifinals | Semifinals |
| 7 | K Nishikori | 6 | 7$^7$ | | | | | | | | | | | | | |
| Q | M Bachinger | 3 | 6$^3$ | | 7 | K Nishikori | 2 | 2 | | | | | | | | |
| | M Zverev | 6$^5$ | 3 | | | K Khachanov | 6 | 6 | | | | | | | | |
| | K Khachanov | 7$^7$ | 6 | | | | | | | K Khachanov | 3 | 7$^7$ | 3 | | | |
| | R Haase | 4 | 7 | 6 | | | | | 4 | R Bautista Agut | 6 | 6$^3$ | 6 | | | |
| | J Sousa | 6 | 5 | 4 | | R Haase | 4 | 5 | | | | | | | | |
| | J-L Struff | 4 | 1 | | 4 | R Bautista Agut | 6 | 7 | | | | | | | | |
| 4 | R Bautista Agut | 6 | 6 | | | | | | | | | | | 4 | R Bautista Agut | 3$^r$ |
| 8 | R Gasquet | 2 | 2 | | | | | | | | | | | | B Ćorić | 2 |
| WC | F Mayer | 6 | 6 | | WC | F Mayer | 2 | 4 | | | | | | | | |
| | A Seppi | 6 | 7 | | | A Seppi | 6 | 6 | | | | | | | | |
| LL | M Berrettini | 3 | 5 | | | | | | | A Seppi | 5 | 3 | | | | |
| LL | N Basilashvili | 6 | 7$^7$ | | | | | | | B Ćorić | 7 | 6 | | | | |
| WC | R Molleker | 4 | 6$^5$ | | LL | N Basilashvili | 4 | 2 | | | | | | | | |
| | B Ćorić | 6 | 6 | | | B Ćorić | 6 | 6 | | | | | | | | |
| 2 | A Zverev | 1 | 4 | | | | | | | | | | | | | |

## Qualifying
### Seeds

* Gilles Simon (first round)
* Guido Pella (first round)
* Evgeny Donskoy (first round)
* Matteo Berrettini (qualifying competition, lucky loser)
* Nikoloz Basilashvili (qualifying competition, lucky loser)
* Vasek Pospisil (first round)
* Ivo Karlović (first round)
* Mikhail Youzhny (qualified)

### Qualifiers

* Matthias Bachinger
* Denis Kudla
* Lukáš Lacko
* Mikhail Youzhny

### Lucky losers

* Matteo Berrettini
* Nikoloz Basilashvili

### Qualifying draw
#### First qualifier

| First round | First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 1 | Gilles Simon | 6 | 6$^7$ | 6$^5$ | | | | |
| | Denis Istomin | 4 | 7$^9$ | 7$^7$ | | | | |
| | Denis Istomin | 4 | 7$^9$ | 7$^7$ | | Denis Istomin | 5 | 2 |
| | | | | | WC | Matthias Bachinger | 7 | 6 |
| WC | Matthias Bachinger | 5 | 7$^7$ | 7 | WC | Matthias Bachinger | 7 | 6 |
| 6 | Vasek Pospisil | 7 | 6$^3$ | 5 | | | | |

#### Second qualifier

| First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 2 | Guido Pella | 4 | 3 | | | | |
| | Denis Kudla | 6 | 6 | | | | |
| | Denis Kudla | 6 | 6 | | Denis Kudla | 6 | 6 |
| | | | | 5 | Nikoloz Basilashvili | 2 | 4 |
| | Elias Ymer | 4 | 3 | 5 | Nikoloz Basilashvili | 2 | 4 |
| 5 | Nikoloz Basilashvili | 6 | 6 | | | | |

#### Third qualifier

| First round | First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 3 | Evgeny Donskoy | 6 | 5 | 1 | | | | |
| WC | Yannick Maden | 2 | 7 | 6 | | | | |
| WC | Yannick Maden | 2 | 7 | 6 | WC | Yannick Maden | 2 | 3 |
| | | | | | | Lukáš Lacko | 6 | 6 |
| | Lukáš Lacko | 7$^7$ | 7$^7$ | | | Lukáš Lacko | 6 | 6 |
| 7 | Ivo Karlović | 6$^5$ | 6$^2$ | | | | | |

#### Fourth qualifier

| First round | First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 4 | Matteo Berrettini | 6$^5$ | 7$^7$ | 7$^7$ | | | | |
| WC | Dustin Brown | 7$^7$ | 6$^5$ | 6$^4$ | | | | |
| WC | Dustin Brown | 7$^7$ | 6$^5$ | 6$^4$ | 4 | Matteo Berrettini | 3 | 6$^7$ |
| | | | | | 8 | Mikhail Youzhny | 6 | 7$^9$ |
| | Ruben Bemelmans | 6$^4$ | 2 | | 8 | Mikhail Youzhny | 6 | 7$^9$ |
| 8 | Mikhail Youzhny | 7$^7$ | 6 | | | | | |