| Date: | 29 April – 5 May |
| Edition: | 1st |
| Surface: | Clay |
| Location: | Porto Alegre, Brazil |
| Champs: |  Ergi Kırkın |
| Champd: |  Roberto Cid Subervi /  Kaichi Uchida |
The 2024 Brasil Tennis Open was a professional tennis tournament played on clay courts. It was the 1st edition of the tournament which was part of the 2024 ATP Challenger Tour. It took place in Porto Alegre, Brazil between 29 April and 5 May 2024.
| Country | Player | Rank1 | Seed | |
|---|---|---|---|---|
 France | Calvin Hemery | 194 | 1 | |
 Bolivia, Plurination;al State of | Murkel Dellien | 222 | 2 | |
 Kazakhstan | Dmitry Popko | 234 | 3 | |
 Venezuela, Bolivarian Republic of | Gonzalo Oliveira | 243 | 4 | |
 Brazil | João Lucas Reis da Silva | 282 | 5 | |
| Hady Habib | 290 | 6 | ||
 Ecuador | Álvaro Guillén Meza | 294 | 7 | |
| Turkey | Ergi Kırkın | 299 | 8 |
The following players received wildcards into the singles main draw:
Guilherme Clezar Gustavo Ribeiro de Almeida Luís MiguelThe following players received entry into the singles main draw as alternates:
The following players received entry from the qualifying draw:
Leonardo Aboian Igor Gimenez Guido Iván Justo Juan Carlos Prado Ángelo Karue Sell Kaichi UchidaThe following player received entry as a lucky loser:
See main article: 2024 Brasil Tennis Open – Singles.
Ergi Kırkın def. Daniel Dutra da Silva 6–3, 7–5.See main article: 2024 Brasil Tennis Open – Doubles.
Roberto Cid Subervi / Kaichi Uchida def. 
Patrick Harper / 
David Stevenson 5–7, 7–6(7–1), [10–6].