Luciano Darderi defeated Yannick Hanfmann in the final, 7–6(8–6), 7–5 to win the singles tennis title at the 2026 Chile Open. It was his fifth ATP Tour title. Hanfmann was contesting his first ATP Tour final since 2020.
Laslo Djere was the reigning champion, but withdrew before the start of the tournament.
Emilio Nava was the first American to reach an ATP Tour singles quarterfinal on South American clay since Rajeev Ram at the 2017 Quito Open. Hanfmann was the first German man to reach an ATP Tour semifinal on South American clay since Tommy Haas at the 2014 Brasil Open.
Seeds The top four seeds received a bye into the second round.
Draw
Finals
Top half
Bottom half
Qualifying Seeds
Qualifiers
Lucky loser
Qualifying draw
First qualifier
Second qualifier
Third qualifier
Fourth qualifier
References
External links Main draw Qualifying draw