Sparkassen Open

The Sparkassen Open, known as "Nord/LB Open" until 2010, is a professional tennis tournament played on outdoor red clay courts. It is currently part of the Association of Tennis Professionals (ATP) Challenger Tour. It is held annually at the in Braunschweig, Germany, since 1994.
In 2005, 2014, 2015, and 2016 the tournament received the "ATP Challenger of the Year" award from the Association of Tennis Professionals.