The Volkswagen Challenger was a professional tennis tournament played on indoor carpet courts. It was part of the ATP Challenger Tour. It was held annually at the Tennisclub Grün-Gold Wolfsburg in Wolfsburg, Germany, between 1993 and 2012.
Many players won two titles, Axel Pretzsch Ruben Bemelmans in singles Robert Lindstedt, Jean-Claude Scherrer and Martin Sinner in doubles. But only Axel Pretzsch won both titles simultaneously.