Challenger ATP Cachantún Cup

Challenger Santiago
2025 Challenger de Santiago
ATP Challenger Tour
Event nameChallenger de Providencia (2005–2009)
Copa Cachantún (2011–2016)
Challenger Cachantún Open (2017)
Cachantún Open by Kia (2018-2019)
Challenger Santiago Chile (2021 I)
Dove Men+Care Legion Sudamericana (2021 II, III)
Copa Universidad San Sebastián (Copa USS) (2022)
Challenger Santiago Dove Men+Care (2023-)
Founded2005
Editions20 (2026)
LocationVitacura, Santiago Metropolitan Region, Chile
VenueClub Manquehue
CategoryATP Challenger Tour
SurfaceClay (red)
Draw32S/29Q/15D
Prize money$82,000+H (2024), $100,000 (2025)
Current champions (2026)
Singles Genaro Alberto Olivieri
Doubles Gianluca Cadenasso
Paulo André Saraiva dos Santos

The Challenger de Santiago, known as Challenger de Santiago Dove Men+Care (formerly known as the Copa USS, Cachantún Open by KIA and the Cachantún Cup), is a professional tennis tournament played on outdoor red clay courts. It is part of the Association of Tennis Professionals (ATP) Challenger Tour. It was held annually in Providencia, Chile, from 2005 to 2009. The tournament was then moved to Vitacura, Santiago Metropolitan Region. The October 2021 editions were played at the Club Palestino in Las Condes.