Lambertz Open by STAWAG
The ATP Challenger Aachen (official name since 2002: " Lambertz Open by Stawag " ) was a 1991 to 2010 annually -find tennis tournament on the grounds of the TC Green White Aachen in Aachen. It was part of the ATP Challenger Tour and was played on indoor carpet. In individual Yevgeny Korolev is record winner with three tournament successes.