# 2024 Engie Open Florianópolis – Men's singles

Tomás Barrios Vera was the defending champion but chose not to defend his title.
Enzo Couacaud won the title after defeating João Lucas Reis da Silva 3–6, 6–4, 7–6$^{(7–1)}$ in the final.

## Seeds

* Thiago Monteiro (second round)
* Francisco Comesaña (first round)
* Felipe Meligeni Alves (withdrew)
* Román Andrés Burruchaga (quarterfinals)
* Genaro Alberto Olivieri (second round)
* Geoffrey Blancaneaux (second round)
* Enzo Couacaud (champion)
* Liam Draxl (first round)

## Draw
### Key

* Q = Qualifier
* WC = Wild card
* LL = Lucky loser
* Alt = Alternate
* SE = Special exempt
* PR = Protected ranking
* ITF = ITF entry
* JE = Junior exempt
* w/o = Walkover
* r = Retired
* d = Defaulted
* SR = Special ranking

### Finals

| Semifinals | Semifinals | Semifinals | Semifinals | Final | Final | Final | Final | Final |
| Q | Camilo Ugo Carabelli | 4 | 3 | | | | | |
| | João Lucas Reis da Silva | 6 | 6 | | | | | |
| | João Lucas Reis da Silva | 6 | 6 | | João Lucas Reis da Silva | 6 | 4 | 6$^1$ |
| | | | | 7 | Enzo Couacaud | 3 | 6 | 7$^7$ |
| 7 | Enzo Couacaud | 6 | 6 | 7 | Enzo Couacaud | 3 | 6 | 7$^7$ |
| | Gianluca Mager | 2 | 4 | | | | | |

### Top half

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals |
| 1 | T Monteiro | 6 | 6 | | | | | | | | | | | | | | | |
| | B Bobrov | 2 | 4 | | 1 | T Monteiro | 3 | 6$^5$ | | | | | | | | | | |
| | C Sánchez Jover | 5 | 1 | | | O Luz | 6 | 7$^7$ | | | | | | | | | | |
| | O Luz | 7 | 6 | | | | | | | | O Luz | 6 | 5 | 4 | | | | |
| Q | C Ugo Carabelli | 6 | 6$^6$ | 6 | | | | | | Q | C Ugo Carabelli | 1 | 7 | 6 | | | | |
| WC | Nicolas Zanellato | 1 | 7$^8$ | 0 | Q | C Ugo Carabelli | 7 | 6 | | | | | | | | | | |
| Q | PA Saraiva dos Santos | 6 | 6$^4$ | 3 | 6 | G Blancaneaux | 5 | 1 | | | | | | | | | | |
| 6 | G Blancaneaux | 4 | 7$^7$ | 6 | | | | | | | | | | | Q | C Ugo Carabelli | 4 | 3 |
| LL | D Dutra da Silva | 4 | 7$^7$ | 6 | | | | | | | | | | | | JL Reis da Silva | 6 | 6 |
| Alt | G Villanueva | 6 | 6$^5$ | 2 | LL | D Dutra da Silva | 6 | 3 | 4 | | | | | | | | | |
| | P Sakamoto | 5 | 5 | | | JL Reis da Silva | 1 | 6 | 6 | | | | | | | | | |
| | JL Reis da Silva | 7 | 7 | | | | | | | | JL Reis da Silva | 6 | 6 | | | | | |
| Alt | E Ribeiro | 6$^2$ | 2 | | | | | | | LL | JC Prado Ángelo | 2 | 1 | | | | | |
| LL | JC Prado Ángelo | 7$^7$ | 6 | | LL | JC Prado Ángelo | 1 | 6 | 7$^7$ | | | | | | | | | |
| | Alexander Weis | 4 | 6 | 4 | 5 | GA Olivieri | 6 | 4 | 6$^5$ | | | | | | | | | |
| 5 | GA Olivieri | 6 | 4 | 6 | | | | | | | | | | | | | | |

### Bottom half

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals |
| 7 | E Couacaud | 6 | 6 | | | | | | | | | | | | | | |
| WC | Gustavo Ribeiro de Almeida | 4 | 2 | | 7 | E Couacaud | 7 | 6 | | | | | | | | | |
| Q | Gabriel Roveri Sidney | 4 | 2 | | Q | LJ Rodríguez | 5 | 3 | | | | | | | | | |
| Q | Lorenzo Joaquín Rodríguez | 6 | 6 | | | | | | | 7 | E Couacaud | 6 | 6 | | | | |
| | JB Torres | 4 | 6 | 3 | | | | | | 4 | RA Burruchaga | 2 | 1 | | | | |
| | R Olivo | 6 | 2 | 6 | | R Olivo | 5 | 2 | | | | | | | | | |
| SE | AD Vallejo | 3 | 4 | | 4 | RA Burruchaga | 7 | 6 | | | | | | | | | |
| 4 | RA Burruchaga | 6 | 6 | | | | | | | | | | | 7 | E Couacaud | 6 | 6 |
| 8 | L Draxl | 4 | 1 | | | | | | | | | | | | G Mager | 2 | 4 |
| | M Pucinelli de Almeida | 6 | 6 | | | M Pucinelli de Almeida | 6 | 1$^r$ | | | | | | | | | |
| | G Bueno | 3 | 2 | | | G Mager | 4 | 5 | | | | | | | | | |
| | G Mager | 6 | 6 | | | | | | | | G Mager | 7$^7$ | 6 | | | | |
| WC | P Boscardin Dias | 0 | 3 | | | | | | | Q | D Cukierman | 6$^2$ | 1 | | | | |
| Q | D Cukierman | 6 | 6 | | Q | D Cukierman | 6 | 4 | 6 | | | | | | | | |
| Q | M Barreiros Reyes | 6 | 6 | | Q | M Barreiros Reyes | 2 | 6 | 2 | | | | | | | | |
| 2 | F Comesaña | 4 | 3 | | | | | | | | | | | | | | |