2023 Challenger Temuco – Singles

Guido Andreozzi was the defending champion but lost in the first round to Keegan Smith.

Aleksandar Kovacevic won the title after defeating Gilbert Klier Júnior 4–6, 6–3, 6–3 in the final.

Seeds
• # Tomás Barrios Vera (semifinals)

• # Alejandro Tabilo (withdrew)

• # 🇧🇴 Hugo Dellien (first round)

• # 🇺🇸 Aleksandar Kovacevic (champion)

• # 🇦🇷 Guido Andreozzi (first round)

• # 🇦🇷 Santiago Rodríguez Taverna (quarterfinals)

• # 🇧🇷 Gustavo Heide (second round)

• # 🇦🇷 Juan Pablo Ficovich (first round)