The 2017 Sparkassen Open was a professional tennis tournament played on clay courts. It was the 24th edition of the tournament which was part of the 2017 ATP Challenger Tour. It took place in Braunschweig, Germany between 10 and 15 July 2017. Singles main-draw entrants Seeds 1 Rankings are as of 3 July 2017. Other entrants The following players received wildcards into the singles main draw: Daniel Altmaier Yannick Maden Louis Wessels Horacio Zeballos The following players received entry into the singles main draw as special exempts: Viktor Galović Cedrik-Marcel Stebe The following players received entry from the qualifying draw: Nicola Kuhn Axel Michon Gonçalo Oliveira George von Massow Champions Singles Nicola Kuhn def. Viktor Galović 2–6, 7–5, 4–2 ret. Doubles Julian Knowle / Igor Zelenay def. Kevin Krawietz / Gero Kretschmer 6–3, 7–6(7–3). External links Official Website Sparkassen Open 2017 2017 in German tennis