The ATP Challenger Mönchengladbach (official name: BMW Challenger Open or Deutsche Vermögensberatung Challenger Open by Audi ) is a former tennis tournament in Mönchengladbach that took place in 2000, 2001, 2003 and 2004. It was part of the ATP Challenger Tour and was played outdoors on a clay court. The prize money in all years was 25,000 US dollars.