It is held annually at the Tennis Club Lido Lugano in Lugano, Switzerland, since 1999.
2011 ATP Challenger Tour | 2012 ATP Challenger Tour | 2013 ATP Challenger Tour | Space Shuttle Challenger | Lugano | Lake Lugano | Space Shuttle Challenger disaster | Glomar Challenger | ''Challenger'' | Space Shuttle ''Challenger'' | Challenger expedition | BSI | Lugano railway station | HMS Challenger | Dodge Challenger | BSI Group | Società Navigazione del Lago di Lugano | Mitsubishi Challenger | Challenger 1 | Bombardier Challenger 600 | 2009 ATP Challenger Tour | Vancouver Challenger (1993) | Vancouver Challenger | University of Lugano | Union Pacific Challenger | The winner of South African Solar Challenge, "Tokai Challenger", Japan | SS St. Marys Challenger | Space Shuttle ''Challenger's'' | Space Shuttle ''Challenger'' accident | Roman Catholic Diocese of Lugano |