2018 Sparkassen ATP Challenger – Doubles
| Doubles | |
|---|---|
| 2018 Sparkassen ATP Challenger | |
| Champions |  Sander Gillé Joran Vliegen |
| Runners-up |  Purav Raja Antonio Šančić |
| Score | 3–6, 6–3, [10–3] |
Sander Arends and Antonio Šančić were the defending champions but only Šančić chose to defend his title, partnering Purav Raja. Šančić lost in the finals to Sander Gillé and Joran Vliegen.
Gillé and Vliegen won the title after defeating Raja and Šančić 3–6, 6–3, [10–3] in the final.
Seeds
[edit]
Luke Bambridge / Jonny O'Mara (semifinals)
Kevin Krawietz / Andreas Mies (semifinals)
Purav Raja / 
Antonio Šančić (final)
Sander Gillé / Joran Vliegen (champions)
Draw
[edit]Key
[edit]- 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 |  L Bambridge J O'Mara
| 6 | 66 | [10] | |||||||||||||||||||||||
 F Martin J Ocleppo
| 3 | 78 | [8] | 1 | L Bambridge J O'Mara
| w/o | |||||||||||||||||||||
| S Bolelli V Galović
| 6 | 65 | [7] | WC | S Napolitano J Sinner
| ||||||||||||||||||||||
| WC | S Napolitano J Sinner
| 3 | 77 | [10] | 1 | L Bambridge J O'Mara
| 77 | 63 | [6] | ||||||||||||||||||
| 4 | S Gillé J Vliegen
| 77 | 7 | 4 | S Gillé J Vliegen
| 64 | 77 | [10] | |||||||||||||||||||
| WC | Patric Prinoth Alexander Weis
| 65 | 5 | 4 | S Gillé J Vliegen
| 6 | 6 | ||||||||||||||||||||
| WC | R Brancaccio Luca Giacomini
| 5 | 62 | I Sabanov M Sabanov
| 4 | 4 | |||||||||||||||||||||
| I Sabanov M Sabanov
| 7 | 77 | 4 | S Gillé J Vliegen
| 3 | 6 | [10] | ||||||||||||||||||||
 L Lacko S Stakhovsky
| 6 | 7 | 3 | P Raja A Šančić
| 6 | 3 | [3] | ||||||||||||||||||||
 M Moraing O Otte
| 2 | 5 | L Lacko S Stakhovsky
| ||||||||||||||||||||||||
| D Bracciali A Vavassori
| 62 | 3 | 3 | P Raja A Šančić
| w/o | ||||||||||||||||||||||
| 3 | P Raja A Šančić
| 77 | 6 | 3 | P Raja A Šančić
| 7 | 77 | ||||||||||||||||||||
 T Brkić A Pavić
| 6 | 4 | [6] | 2 | K Krawietz A Mies
| 5 | 62 | ||||||||||||||||||||
D Brown D Novak
| 4 | 6 | [10] | D Brown D Novak
| 3 | 77 | [4] | ||||||||||||||||||||
| B Bonzi Q Halys
| 65 | 6 | [6] | 2 | K Krawietz A Mies
| 6 | 62 | [10] | |||||||||||||||||||
| 2 | K Krawietz A Mies
| 77 | 3 | [10] | |||||||||||||||||||||||