2020 Campeonato Internacional de Tênis de Campinas – Singles

Juan Pablo Varillas was the defending champion but chose not to participate.

Francisco Cerúndolo won the title after defeating Roberto Carballés Baena 6–4, 3–6, 6–3 in the final.

Seeds
• # 🇪🇸 Roberto Carballés Baena (final)

• # 🇧🇷 Thiago Seyboth Wild (first round)

• # 🇦🇷 Facundo Bagnis (quarterfinals)

• # 🇨🇴 Daniel Elahi Galán (semifinals)

• # 🇪🇬 Mohamed Safwat (quarterfinals)

• # 🇪🇨 Emilio Gómez (second round)

• # 🇦🇷 Francisco Cerúndolo (champion)

• # 🇰🇿 Dmitry Popko (quarterfinals)