# 2024 Santa Cruz Challenger – Singles

Mariano Navone was the defending champion but chose not to defend his title.
Camilo Ugo Carabelli won the title after defeating Murkel Dellien 6–4, 6–2 in the final.

## Seeds

* Thiago Monteiro (semifinals)
* Francisco Comesaña (second round, withdrew)
* Camilo Ugo Carabelli (champion)
* Hugo Dellien (first round)
* Román Andrés Burruchaga (quarterfinals)
* Juan Manuel Cerúndolo (quarterfinals)
* Genaro Alberto Olivieri (second round)
* Marco Cecchinato (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 | Semifinals | Final | Final | Final | Final |
| 1/WC | Thiago Monteiro | 4 | 5 | | | | | |
| 3 | Camilo Ugo Carabelli | 6 | 7 | | | | | |
| 3 | Camilo Ugo Carabelli | 6 | 7 | | 3 | Camilo Ugo Carabelli | 6 | 6 |
| | | | | | | Murkel Dellien | 4 | 2 |
| | Murkel Dellien | 6 | 2 | 4 | | Murkel Dellien | 4 | 2 |
| | Renzo Olivo | 1 | 6 | 2$^r$ | | | | |

### 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/WC | T Monteiro | 6 | 6 | | | | | | | | | | | | | | | |
| | Edoardo Lavagno | 2 | 2 | | 1/WC | T Monteiro | 6 | 6 | | | | | | | | | | |
| Q | V Aboian | 6 | 5 | 6 | Q | V Aboian | 3 | 3 | | | | | | | | | | |
| PR | P Jubb | 3 | 7 | 3 | | | | | | 1/WC | T Monteiro | 6 | 6 | | | | | |
| | M Pucinelli de Almeida | 6 | 6 | | | | | | | | P Sakamoto | 1 | 4 | | | | | |
| | A Collarini | 1 | 1 | | | M Pucinelli de Almeida | 7 | 0 | 4 | | | | | | | | | |
| | P Sakamoto | 6 | 6 | | | P Sakamoto | 5 | 6 | 6 | | | | | | | | | |
| 8 | M Cecchinato | 4 | 4 | | | | | | | | | | | | 1/WC | T Monteiro | 4 | 5 |
| 3 | C Ugo Carabelli | 7$^{12}$ | 5 | 4 | | | | | | | | | | | 3 | C Ugo Carabelli | 6 | 7 |
| WC | AD Vallejo | 6$^{10}$ | 7 | 0$^r$ | 3 | C Ugo Carabelli | 7$^7$ | 6 | | | | | | | | | | |
| | FA Gómez | 4 | 0 | | WC | JC Prado Ángelo | 6$^3$ | 1 | | | | | | | | | | |
| WC | JC Prado Ángelo | 6 | 6 | | | | | | | 3 | C Ugo Carabelli | 4 | 7$^7$ | 6 | | | | |
| | G Oliveira | 6 | 6 | | | | | | | | G Oliveira | 6 | 6$^1$ | 1 | | | | |
| | Alexander Weis | 3 | 3 | | | G Oliveira | 6 | 6 | | | | | | | | | | |
| | F Passaro | 2 | 2 | | 7 | GA Olivieri | 4 | 2 | | | | | | | | | | |
| 7 | GA Olivieri | 6 | 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 | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals |
| 5 | RA Burruchaga | 6 | 6 | | | | | | | | | | | | | | | |
| Q | M Kestelboim | 2 | 4 | | 5 | RA Burruchaga | 7$^{12}$ | 6 | | | | | | | | | | |
| | G Mager | 6 | 6 | | | G Mager | 6$^{10}$ | 1 | | | | | | | | | | |
| | G Bueno | 1 | 1 | | | | | | | 5 | RA Burruchaga | 2 | 6 | 4 | | | | |
| | B Bicknell | 6 | 2 | 3 | | | | | | | M Dellien | 6 | 2 | 6 | | | | |
| | L Draxl | 3 | 6 | 6 | | L Draxl | 3 | 6 | 5 | | | | | | | | | |
| | M Dellien | 7 | 6 | | | M Dellien | 6 | 3 | 7 | | | | | | | | | |
| 4 | H Dellien | 5 | 1 | | | | | | | | | | | | M Dellien | 6 | 2 | 4 |
| 6 | JM Cerúndolo | 6 | 6 | | | | | | | | | | | | R Olivo | 1 | 6 | 2$^r$ |
| Q | Guido Iván Justo | 3 | 2 | | 6 | JM Cerúndolo | 6 | 6 | | | | | | | | | | |
| Q | GA Boitan | 6 | 6 | | Q | GA Boitan | 3 | 1 | | | | | | | | | | |
| Q | G Villanueva | 0 | 3 | | | | | | | 6 | JM Cerúndolo | 3 | 6$^4$ | | | | | |
| Q | JB Torres | 3 | 1 | | | | | | | | R Olivo | 6 | 7$^7$ | | | | | |
| | R Olivo | 6 | 6 | | | R Olivo | w/o | | | | | | | | | | | |
| | P Sekulic | 7$^7$ | 3 | 1 | 2 | F Comesaña | | | | | | | | | | | | |
| 2 | F Comesaña | 6$^5$ | 6 | 6 | | | | | | | | | | | | | | |