| Doubles | |
|---|---|
| 2017 Heilbronner Neckarcup | |
| Champions |  Roman Jebavý  Antonio Šančić |
| Runners-up |  Adil Shamasdin  Igor Zelenay |
| Final score | 6–4, 6–1 |
Sander Arends and Tristan-Samuel Weissborn were the defending champions but only Weissborn chose to defend his title, partnering Dino Marcan. Weissborn lost in the quarterfinals to Hugo Nys and Max Schnur.
Roman Jebavý and Antonio Šančić won the title after defeating Adil Shamasdin and Igor Zelenay 6–4, 6–1 in the final.
Roman Jebavý / Antonio Šančić (champions) Adil Shamasdin / Igor Zelenay (final) Dino Marcan / 
Tristan-Samuel Weissborn (quarterfinals)
Ken Skupski / Neal Skupski (quarterfinals)| First round | Quarterfinals | Semifinals | Final | ||||||||||||||||||||||||
| 1 | R Jebavý A Šančić | 6 | 5 | [10] | |||||||||||||||||||||||
 Jarryd Chaplin J-P Smith | 4 | 7 | [6] | 1 | R Jebavý A Šančić | 6 | 6 | ||||||||||||||||||||
 J Nedunchezhiyan  C Rungkat | 6 | 5 | [10] | J Nedunchezhiyan C Rungkat | 3 | 3 | |||||||||||||||||||||
 J Cerretani  A Mies | 1 | 7 | [7] | 1 | R Jebavý A Šančić | 4 | 710 | [10] | |||||||||||||||||||
| 3 | D Marcan T-S Weissborn | 6 | 6 |  H Nys M Schnur | 6 | 68 | [6] | ||||||||||||||||||||
| Q |  M Fucsovics S Kozlov | 4 | 4 | 3 | D Marcan T-S Weissborn | 65 | 4 | ||||||||||||||||||||
 L Margaroli  C Zampieri | 2 | 1 | H Nys M Schnur | 77 | 6 | ||||||||||||||||||||||
| H Nys M Schnur | 6 | 6 | 1 | R Jebavý A Šančić | 6 | 6 | |||||||||||||||||||||
| WC | Y Maden T Pütz | 77 | 63 | [11] | 2 | A Shamasdin I Zelenay | 4 | 1 | |||||||||||||||||||
| WC | G Kretschmer A Satschko | 63 | 77 | [13] | WC | G Kretschmer A Satschko | 77 | 6 | |||||||||||||||||||
 S Galdós  N Kicker | 7 | 3 | [15] | 4 | K Skupski N Skupski | 65 | 3 | ||||||||||||||||||||
| 4 | K Skupski N Skupski | 5 | 6 | [17] | WC | G Kretschmer A Satschko | 6 | 65 | [8] | ||||||||||||||||||
 A Behar F Neis | 77 | 2 | [4] | 2 | A Shamasdin I Zelenay | 4 | 77 | [10] | |||||||||||||||||||
| WC |  T Altuna  D Pel | 63 | 6 | [10] | WC | T Altuna D Pel | 3 | 4 | |||||||||||||||||||
 M Arévalo  Í Cervantes | 4 | 4 | 2 | A Shamasdin I Zelenay | 6 | 6 | |||||||||||||||||||||
| 2 | A Shamasdin I Zelenay | 6 | 6 | ||||||||||||||||||||||||
Roman Jebavý and Jiří Veselý were the defending champions, but Veselý decided not to participate this year. Jebavý played alongside Adam Pavlásek, but they lost to Dino Marcan and Antonio Šančić in the quarterfinals.
Potito Starace and Adrian Ungur were the defending champions, but Starace did not participate this year. Ungur plays alongside Flavio Cipolla, but lost in the first round to Andrej Martin and Igor Zelenay.
Dino Marcan and Antonio Šančić were the defending champions, but decided not to defend their title.
Mateusz Kowalczyk and Igor Zelenay were the defending champions but chose to participate with different partners. Kowalczyk partnered Tomasz Bednarek while Zelenay partnered Rameez Junaid. Both failed to defend their title, with Kowalczyk losing to Zelenay in the first round and Zelenay losing to Sander Arends and Tristan-Samuel Weissborn in the quarterfinals.
Wesley Koolhof and Matwé Middelkoop were the defending champions but lost in the quarterfinals to Sander Arends and Adam Majchrowicz.
Maximilian Neuchrist and Tristan-Samuel Weissborn were the defending champions but chose not to defend their title.
Tristan Lamasine and Albano Olivetti were the defending champions but only Olivetti chose to defend his title, partnering Kevin Krawietz. Olivetti lost in the first round to Ken and Neal Skupski.
Aliaksandr Bury and Andreas Siljeström were the defending champions but chose not to defend their title.
Ken and Neal Skupski were the defending champions but chose not to defend their title.
Ken and Neal Skupski were the defending champions but chose not to defend their title.
Pierre-Hugues Herbert and Albano Olivetti were the defending champions but only Olivetti chose to defend his title, partnering Kevin Krawietz. Olivetti lost in the first round to Roman Jebavý and Igor Zelenay.
Luke Saville and Jordan Thompson were the defending champions but chose not to defend their title.
Rameez Junaid and Andreas Siljeström were the defending champions but only Junaid chose to defend his title, partnering Tim Pütz, but withdrew before the tournament began.
Sander Arends and Mateusz Kowalczyk were the defending champions but only Arends chose to defend his title, partnering Antonio Šančić.
Roman Jebavý and Igor Zelenay were the defending champions but chose not to defend their title.
Julian Knowle and Adil Shamasdin were the defending champions but chose not to defend their title.
Pierre-Hugues Herbert and Adil Shamasdin were the defending champions but only Shamasdin chose to defend his title, partnering Sander Arends. Shamasdin lost in the quarterfinals to Dennis Novak and Tristan-Samuel Weissborn.
Roman Jebavý and Antonio Šančić were the defending champions but only Jebavý chose to defend his title, partnering Florin Mergea. Jebavý lost in the first round to Denys Molchanov and Igor Zelenay.
Sander Arends and Tristan-Samuel Weissborn were the defending champions but only Weissborn chose to defend his title, partnering Antonio Šančić. Weissborn successfully defended his title after defeating Teymuraz Gabashvili and Lukáš Lacko 7–5, 6–7(5–7), [10–7] in the final.
Scott Clayton and Adil Shamasdin were the defending champions but only Shamasdin chose to defend his title, partnering Purav Raja. Shamasdin lost in the first round to Antonio Šančić and Tristan-Samuel Weissborn.