title: 2018 German Open – Doubles
text: # 2018 German Open – Doubles
  
  Ivan Dodig and Mate Pavić were the defending champions, but chose not to participate together this year. Dodig played alongside Jean-Julien Rojer, but lost in the quarterfinals to Ben McLachlan and Jan-Lennard Struff. Pavić teamed up with Oliver Marach, but lost in the final to Julio Peralta and Horacio Zeballos, 1–6, 6–4, [6–10].
  
  ## Seeds
  
  * Oliver Marach / Mate Pavić (final)
  * Ivan Dodig / Jean-Julien Rojer (quarterfinals)
  * Nikola Mektić / Alexander Peya (first round)
  * Pablo Cuevas / Marc López (quarterfinals)
  
  ## 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 | Final |
  | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
  | 1 | O Marach M Pavić | 6 | 6 | | | | | | | | | | | | | | | | |
  | | L Mayer D Schwartzman | 3 | 4 | | 1 | O Marach M Pavić | 4 | $7^7$ | [10] | | | | | | | | | | |
  | | B Paire É Roger-Vasselin | 7 | 6 | | | B Paire É Roger-Vasselin | 6 | $6^3$ | [7] | | | | | | | | | | |
  | | D Inglot F Škugor | 5 | 2 | | | | | | | 1 | O Marach M Pavić | 2 | 6 | [10] | | | | | |
  | 3 | N Mektić A Peya | 4 | 5 | | | | | | | | M Daniell W Koolhof | 6 | 4 | [7] | | | | | |
  | | D Marrero A-u-H Qureshi | 6 | 7 | | | D Marrero A-u-H Qureshi | 1 | 2 | | | | | | | | | | | |
  | | M Mirnyi P Oswald | $7^7$ | 4 | [5] | | M Daniell W Koolhof | 6 | 6 | | | | | | | | | | | |
  | | M Daniell W Koolhof | $6^4$ | 6 | [10] | | | | | | | | | | | 1 | O Marach M Pavić | 1 | 6 | [6] |
  | Q | M Kližan J Kovalík | 2 | $7^7$ | [4] | | | | | | | | | | | | J Peralta H Zeballos | 6 | 4 | [10] |
  | | J Peralta H Zeballos | 6 | $6^5$ | [10] | | J Peralta H Zeballos | $6^{10}$ | 6 | [10] | | | | | | | | | | |
  | WC | P Petzschner T Pütz | 4 | 1 | | 4 | P Cuevas M López | $7^{12}$ | 4 | [8] | | | | | | | | | | |
  | 4 | P Cuevas M López | 6 | 6 | | | | | | | | J Peralta H Zeballos | 4 | 7 | [10] | | | | | |
  | WC | J Melzer D Thiem | $6^5$ | $6^4$ | | | | | | | | B McLachlan J-L Struff | 6 | 5 | [7] | | | | | |
  | | B McLachlan J-L Struff | $7^7$ | $7^7$ | | | B McLachlan J-L Struff | $6^{12}$ | 6 | [10] | | | | | | | | | | |
  | | D Džumhur H Podlipnik-Castillo | 6 | 3 | [4] | 2 | I Dodig J-J Rojer | $7^{14}$ | 1 | [8] | | | | | | | | | | |
  | 2 | I Dodig J-J Rojer | 4 | 6 | [10] | | | | | | | | | | | | | | | |
  
  ## Qualifying
  
  ### Seeds
  
  * Nicolás Jarry / Maximilian Marterer (qualifying competition)
  * Andre Begemann / Florin Mergea (first round)
  
  ### Qualifiers
  
  * Martin Kližan / Jozef Kovalík
  
  ### Qualifying draw
  
  | First round | First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
  | - | - | - | - | - | - | - | - | - |
  | 1 | Nicolás Jarry Maximilian Marterer | 6 | 6 | | | | | |
  | Alt | Tobias Kamke George von Massow | 3 | 3 | | | | | |
  | Alt | Tobias Kamke George von Massow | 3 | 3 | | 1 | Nicolás Jarry Maximilian Marterer | 4 | 0 |
  | | | | | | | Martin Kližan Jozef Kovalík | 6 | 6 |
  | | Martin Kližan Jozef Kovalík | $7^7$ | $6^5$ | [11] | | Martin Kližan Jozef Kovalík | 6 | 6 |
  | 2/WC | Andre Begemann Florin Mergea | $6^4$ | $7^7$ | [9] | | | | |
  