2021 Challenger Concepción – Singles

This was the first edition of the tournament.

Sebastián Báez won the title after defeating Francisco Cerúndolo 6–3, 6–7(5–7), 7–6(7–5) in the final.

Seeds
• # 🇦🇷 Federico Coria (quarterfinals)

• # 🇸🇰 Andrej Martin (semifinals)

• # Pedro Sousa (withdrew)

• # 🇧🇴 Hugo Dellien (quarterfinals)

• # 🇨🇴 Daniel Elahi Galán (second round)

• # 🇧🇷 Thiago Seyboth Wild (quarterfinals)

• # 🇦🇷 Facundo Bagnis (first round)

• # 🇩🇪 Daniel Altmaier (quarterfinals)