2024 Brasil Tennis Open

Country	Player	Rank1	Seed
FRA	Calvin Hemery	194	1
BOL	Murkel Dellien	222	2
KAZ	Dmitry Popko	234	3
VEN	Gonzalo Oliveira	243	4
BRA	João Lucas Reis da Silva	282	5
LIB	Hady Habib	290	6
ECU	Álvaro Guillén Meza	294	7
TUR	Ergi Kırkın	299	8

¹ Rankings are as of 22 April 2024.^[2]

The following players received wildcards into the singles main draw:

• Guilherme Clezar^[3]
• Gustavo Ribeiro de Almeida
• Luís Miguel

The following players received entry into the singles main draw as alternates:

• Bruno Kuzuhara
• Juan Bautista Torres

The following players received entry from the qualifying draw:

• Leonardo Aboian
• Igor Gimenez
• Guido Iván Justo
• Juan Carlos Prado Ángelo
• Karue Sell
• Kaichi Uchida

The following player received entry as a lucky loser:

• Daniel Dutra da Silva

• Ergi Kırkın def. Daniel Dutra da Silva 6–3, 7–5.

• Roberto Cid Subervi / Kaichi Uchida def. Patrick Harper / David Stevenson 5–7, 7–6^(7–1), [10–6].