# 2018 Gerry Weber Open – Doubles

Łukasz Kubot and Marcelo Melo were the defending champions and successfully defended their title, defeating Alexander and Mischa Zverev in the final, 7–6$^{(7–1)}$, 6–4 in a repeat of the previous year's final.

## Seeds

* Łukasz Kubot / Marcelo Melo (champions)
* Nikola Mektić / Alexander Peya (semifinals)
* Aisam-ul-Haq Qureshi / Jean-Julien Rojer (first round)
* Ivan Dodig / Rajeev Ram (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

### Draw

| First round | First round | First round | First round | First round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals | Semifinals | Final | Final | Final | Final |
| 1 | Ł Kubot M Melo | 6 | 6 | | | | | | | | | | | | | | | |
| Q | J Erlich N Monroe | 3 | 4 | | 1 | Ł Kubot M Melo | 6$^2$ | 6 | [10] | | | | | | | | | |
| | M Mirnyi P Oswald | 7 | 7$^7$ | | | M Mirnyi P Oswald | 7$^7$ | 3 | [4] | | | | | | | | | |
| | M Matkowski M Middelkoop | 5 | 6$^4$ | | | | | | | 1 | Ł Kubot M Melo | 6$^5$ | 6 | [12] | | | | |
| 4 | I Dodig R Ram | 6 | 6 | | | | | | | 4 | I Dodig R Ram | 7$^7$ | 3 | [10] | | | | |
| | K Khachanov L Pouille | 3 | 0 | | 4 | I Dodig R Ram | 7 | 7 | | | | | | | | | | |
| | M Granollers R Haase | 6 | 7$^7$ | | | M Granollers R Haase | 5 | 5 | | | | | | | | | | |
| | B McLachlan K Nishikori | 3 | 6$^3$ | | | | | | | | | | | | 1 | Ł Kubot M Melo | 7$^7$ | 6 |
| | R Klaasen M Venus | 4 | 6$^4$ | | | | | | | | | | | | | A Zverev M Zverev | 6$^1$ | 4 |
| WC | T Pütz J-L Struff | 6 | 7$^7$ | | WC | T Pütz J-L Struff | 3 | 6 | [3] | | | | | | | | | |
| | A Zverev M Zverev | 6$^7$ | 7$^7$ | [10] | | A Zverev M Zverev | 6 | 4 | [10] | | | | | | | | | |
| 3 | A-u-H Qureshi J-J Rojer | 7$^9$ | 6$^2$ | [8] | | | | | | | A Zverev M Zverev | 6 | 3 | [10] | | | | |
| | S Johnson D Thiem | 6$^2$ | 7$^7$ | [6] | | | | | | 2 | N Mektić A Peya | 3 | 6 | [5] | | | | |
| | D Inglot F Škugor | 7$^7$ | 6$^5$ | [10] | | D Inglot F Škugor | 3 | 3 | | | | | | | | | | |
| WC | P Kohlschreiber P Petzschner | 2 | 4 | | 2 | N Mektić A Peya | 6 | 6 | | | | | | | | | | |
| 2 | N Mektić A Peya | 6 | 6 | | | | | | | | | | | | | | | |

## Qualifying
### Seeds

* Divij Sharan / Artem Sitak (first round)
* Jonathan Erlich / Nicholas Monroe (qualified)

### Qualifiers

* Jonathan Erlich / Nicholas Monroe

### Qualifying draw

| First round | First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 1 | Divij Sharan Artem Sitak | 3 | 6 | [2] | | | | | |
| WC | Andre Begemann Dustin Brown | 6 | 3 | [10] | | | | | |
| WC | Andre Begemann Dustin Brown | 6 | 3 | [10] | WC | Andre Begemann Dustin Brown | 6 | 3 | [12] |
| | | | | | 2 | Jonathan Erlich Nicholas Monroe | 4 | 6 | [14] |
| | Benoît Paire Andreas Seppi | 3 | 4 | | 2 | Jonathan Erlich Nicholas Monroe | 4 | 6 | [14] |
| 2 | Jonathan Erlich Nicholas Monroe | 6 | 6 | | | | | | |