2015 Sparkassen Open

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.

Seeds

 * 1 Rankings are as of June 29, 2015.

Other entrants
The following players received wildcards into the singles main draw:
 * 🇩🇪 Florian Mayer
 * 🇩🇪 Mischa Zverev
 * 🇩🇪 Maximilian Marterer
 * 🇩🇪 Daniel Brands

The following players received entry as a special exempt into the singles main draw:
 * 🇩🇪 Nils Langer

The following players received entry with a protected ranking:
 * 🇪🇸 Pere Riba

The following players received entry as an alternate into the singles main draw:
 * Gastão Elias

The following players received entry from the qualifying draw:
 * 🇧🇷 Rogério Dutra Silva
 * 🇧🇬 Dimitar Kuzmanov
 * 🇦🇺 Jason Kubler
 * 🇷🇺 Karen Khachanov

Seeds

 * 1 Rankings as of June 29, 2015.

Other entrants
The following pairs received wildcards into the doubles main draw:
 * 🇩🇪 Alexander Zverev / 🇩🇪 Mischa Zverev
 * 🇩🇪 Simon Stadler / 🇩🇪 Jan-Lennard Struff
 * 🇩🇪 Nils Langer / 🇩🇪 Maximilian Marterer

Singles

 * 🇷🇸 Filip Krajinović def. 🇫🇷 Paul-Henri Mathieu 6–2, 6–4

Doubles

 * 🇧🇾 Sergey Betov / 🇷🇺 Michail Elgin def. 🇧🇦 Damir Džumhur / Franko Škugor, 3–6, 6–1, [10–5]