| 2015 Sparkassen Open | |
|---|---|
| Date | 6 – 11 July |
| Edition | 22nd |
| Surface | Clay |
| Location | Braunschweig, Germany |
| Champions | |
| Singles | |
 Filip Krajinović | |
| Doubles | |
 Sergey Betov /  Michail Elgin | |
The 2015 Sparkassen Open was a professional tennis tournament played on clay courts. It was the 22nd edition of the tournament which was part of the 2015 ATP Challenger Tour. It took place in Braunschweig, Germany between 6 and 11 July 2015.
| Country | Player | Rank1 | Seed |
|---|---|---|---|
 ESP | Pablo Carreño Busta | 67 | 1 |
| ESP | Marcel Granollers | 72 | 2 |
 GER | Alexander Zverev | 74 | 3 |
 BRA | João Souza | 81 | 4 |
 BIH | Damir Džumhur | 88 | 5 |
 MDA | Radu Albot | 108 | 6 |
| ESP | Daniel Muñoz de la Nava | 109 | 7 |
| GER | Matthias Bachinger | 110 | 8 |
The following players received wildcards into the singles main draw:
The following players received entry as a special exempt into the singles main draw:
The following players received entry with a protected ranking:
The following players received entry as an alternate into the singles main draw:
The following players received entry from the qualifying draw:
| Country | Player | Country | Player | Rank1 | Seed |
|---|---|---|---|---|---|
 AUT | Julian Knowle | AUT | Philipp Oswald | 91 | 1 |
 CAN | Adil Shamasdin |  MEX | Santiago González | 113 | 2 |
| MDA | Radu Albot |  AUS | Rameez Junaid | 139 | 3 |
 ARG | Guillermo Durán | ARG | Horacio Zeballos | 168 | 4 |
The following pairs received wildcards into the doubles main draw:
Alexander Zverev / Mischa Zverev Simon Stadler / Jan-Lennard Struff Nils Langer / Maximilian Marterer Filip Krajinović def. 
Paul-Henri Mathieu 6–2, 6–4 Sergey Betov / Michail Elgin def. Damir Džumhur / 
Franko Škugor, 3–6, 6–1, [10–5]
