| Date: | 30 November – 6 December |
| Edition: | 9th |
| Surface: | Clay |
| Location: | Campinas, Brazil |
| Champs: |  Francisco Cerúndolo |
| Champd: |  Sadio Doumbia / Fabien Reboul |
The 2020 Campeonato Internacional de Tênis de Campinas was a professional tennis tournament played on clay courts. It was the ninth edition of the tournament which was part of the 2020 ATP Challenger Tour. It took place in Campinas, Brazil between 30 November and 6 December 2020.
| Country | Player | Rank1 | Seed | |
|---|---|---|---|---|
 Spain | Roberto Carballés Baena | 102 | 1 | |
 Brazil | Thiago Seyboth Wild | 115 | 2 | |
| Argentina | Facundo Bagnis | 125 | 3 | |
 Colombia | Daniel Elahi Galán | 129 | 4 | |
 Egypt | Mohamed Safwat | 156 | 5 | |
 Ecuador | Emilio Gómez | 159 | 6 | |
| Argentina | Francisco Cerúndolo | 162 | 7 | |
 Kazakhstan | Dmitry Popko | 172 | 8 |
The following players received wildcards into the singles main draw:
Oscar José Gutierrez Matheus Pucinelli de Almeida João Lucas Reis da SilvaThe following players received entry into the singles main draw as special exempts:
The following player received entry into the singles main draw as an alternate:
The following players received entry from the qualifying draw:
See main article: 2020 Campeonato Internacional de Tênis de Campinas – Singles.
Francisco Cerúndolo def. Roberto Carballés Baena 6–4, 3–6, 6–3.See main article: 2020 Campeonato Internacional de Tênis de Campinas – Doubles.
Sadio Doumbia / Fabien Reboul def. 
Luis David Martínez / Felipe Meligeni Alves 6–7(7–9), 7–5, [10–7].