2020 Chile Open – Singles

Fabio Fognini was the champion in 2014, when the event was last held, but chose to compete in Dubai instead.

Thiago Seyboth Wild won his first ATP Tour title, defeating Casper Ruud in the final, 7–5, 4–6, 6–3. Seyboth Wild also becomes the first player born in 2000 to win an ATP Tour title.

Seeds
The top four seeds received a bye into the second round. • # Cristian Garín (quarterfinals, retired)

• #🇳🇴 Casper Ruud (final)

• #🇪🇸 Albert Ramos Viñolas (semifinals)

• # Pablo Cuevas (second round)

• #🇦🇷 Juan Ignacio Londero (second round)

• #🇧🇴 Hugo Dellien (quarterfinals)

• #🇦🇷 Federico Delbonis (quarterfinals)

• #🇧🇷 Thiago Monteiro (quarterfinals)

Seeds
• # 🇵🇪 Juan Pablo Varillas (qualifying competition, lucky loser)

• # 🇸🇰 Martin Kližan (qualified)

• # 🇸🇰 Filip Horanský (qualified)

• # 🇪🇸 Carlos Taberner (qualified)

• # 🇦🇷 Andrea Collarini (qualifying competition)

• # 🇦🇷 Renzo Olivo (qualified)

• # 🇧🇷 Pedro Sakamoto (qualifying competition)

• # 🇧🇷 Orlando Luz (qualifying competition)

Qualifiers
• # 🇦🇷 Renzo Olivo

• # 🇸🇰 Martin Kližan

• # 🇸🇰 Filip Horanský

• # 🇪🇸 Carlos Taberner

Lucky loser
• # 🇵🇪 Juan Pablo Varillas