2018 Marburg Open – Doubles
| Doubles | |
|---|---|
| 2018 Marburg Open | |
| Champions |  Fabrício Neis  David Vega Hernández | 
| Runners-up | .svg.png) Henri Laaksonen .svg.png) Luca Margaroli | 
| Score | 4–6, 6–4, [10–8] | 
Máximo González and Fabrício Neis were the defending champions but only Neis chose to defend his title, partnering David Vega Hernández. Neis successfully defended his title.
Neis and Vega Hernández won the title after defeating Henri Laaksonen and Luca Margaroli 4–6, 6–4, [10–8] in the final.
Seeds
 Fabrício Neis / Fabrício Neis / David Vega Hernández (champions) David Vega Hernández (champions)
 Nathan Pasha / Nathan Pasha / Hunter Reese (first round) Hunter Reese (first round)
 Dustin Brown / Dustin Brown /.svg.png) Rameez Junaid (first round) Rameez Junaid (first round)
 Hans Hach Verdugo / Hans Hach Verdugo / Andreas Siljeström (semifinals) Andreas Siljeström (semifinals)
Draw
Key
- Q = Qualifier
- WC = Wild card
- LL = Lucky loser
- Alt = Alternate
- ITF = ITF entry
- PR = Protected ranking
- SR = Special ranking
- SE = Special exempt
- JE = Junior exempt
- JR = Junior Accelerator Programme entrant
- CO = College Accelerator Programme entrant
- NG = Next Gen Accelerator Program entrant
- w/o = Walkover
- r = Retired
- d = Defaulted
| First round | Quarterfinals | Semifinals | Final | ||||||||||||||||||||||||
| 1 |  F Neis  D Vega Hernández | 4 | 6 | [11] | |||||||||||||||||||||||
| WC |  B Hassan  Constantin Schmitz | 6 | 4 | [9] | 1 |  F Neis  D Vega Hernández | 6 | 5 | [10] | ||||||||||||||||||
|  L Harris  R Roelofse | 6 | 3 | [10] |  L Harris  R Roelofse | 3 | 7 | [7] | ||||||||||||||||||||
|  M Moraing  O Otte | 3 | 6 | [7] | 1 |  F Neis  D Vega Hernández | 6 | 77 | ||||||||||||||||||||
| 3 |  D Brown .svg.png) R Junaid | 1 | 4 |  A Martin .svg.png) G Oliveira | 3 | 65 | |||||||||||||||||||||
|  T Khabibulin  V Manafov | 6 | 6 |  T Khabibulin  V Manafov | 1 | 5 | ||||||||||||||||||||||
|  G Panfil  A Vatutin | 3 | 3 |  A Martin .svg.png) G Oliveira | 6 | 7 | ||||||||||||||||||||||
|  A Martin .svg.png) G Oliveira | 6 | 6 | 1 |  F Neis  D Vega Hernández | 4 | 6 | [10] | ||||||||||||||||||||
| .svg.png) M Polmans  N Serdarušić | 5 | 4 | .svg.png) H Laaksonen .svg.png) L Margaroli | 6 | 4 | [8] | |||||||||||||||||||||
| WC |  E Benchetrit  R Molleker | 7 | 6 | WC |  E Benchetrit  R Molleker | ||||||||||||||||||||||
|  S Galdós  JI Londero | 2 | 3 | 4 |  H Hach Verdugo  A Siljeström | w/o | ||||||||||||||||||||||
| 4 |  H Hach Verdugo  A Siljeström | 6 | 6 | 4 |  H Hach Verdugo  A Siljeström | 6 | 5 | [9] | |||||||||||||||||||
| WC |  R Kern  J Lenz | 7 | 2 | [10] | .svg.png) H Laaksonen .svg.png) L Margaroli | 3 | 7 | [11] | |||||||||||||||||||
|  T Bednarek  F Mergea | 5 | 6 | [5] | WC |  R Kern  J Lenz | 63 | 2 | ||||||||||||||||||||
| .svg.png) H Laaksonen .svg.png) L Margaroli | 66 | 6 | [10] | .svg.png) H Laaksonen .svg.png) L Margaroli | 77 | 6 | |||||||||||||||||||||
| 2 |  N Pasha  H Reese | 78 | 3 | [6] | |||||||||||||||||||||||