2018 Campeonato Internacional de Tênis de Campinas

The 2018 Campeonato Internacional de Tênis de Campinas was a professional tennis tournament played on clay courts. It was the seventh edition of the tournament which was part of the 2018 ATP Challenger Tour. It took place in Campinas, Brazil between 1 and 7 October 2018.

Seeds

 * 1 Rankings as of 24 September 2018.

Other entrants
The following players received wildcards into the singles main draw:
 * 🇧🇷 Rafael Matos
 * 🇧🇷 Felipe Meligeni Alves
 * 🇧🇷 Matheus Pucinelli de Almeida
 * 🇧🇷 Thiago Seyboth Wild

The following players received entry from the qualifying draw:
 * 🇵🇪 Nicolás Álvarez
 * 🇪🇨 Emilio Gómez
 * 🇧🇷 João Souza
 * 🇦🇷 Camilo Ugo Carabelli

Singles

 * Christian Garín def. 🇦🇷 Federico Delbonis 6–3, 6–4.

Doubles

 * 🇧🇴 Hugo Dellien / 🇦🇷 Guillermo Durán def. 🇦🇷 Franco Agamenone / 🇧🇷 Fernando Romboli 7–5, 6–4.