# 2024 Challenger de Buenos Aires – Singles

Mariano Navone was the defending champion but chose not to defend his title.
Francisco Comesaña won the title after defeating Federico Coria 1–6, 7–6$^{(9–7)}$, 6–4 in the final.

## Seeds

* Federico Coria (final)
* Francisco Comesaña (champion)
* Hugo Dellien (semifinals)
* Camilo Ugo Carabelli (quarterfinals)
* Jesper de Jong (quarterfinals)
* Román Andrés Burruchaga (second round)
* Gustavo Heide (quarterfinals)
* Federico Agustín Gómez (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 | Final |
| 1 | Federico Coria | 7$^{13}$ | 7 | | | | | | |
| WC | Juan Bautista Torres | 6$^{11}$ | 5 | | | | | | |
| WC | Juan Bautista Torres | 6$^{11}$ | 5 | | 1 | Federico Coria | 6 | 6$^7$ | 4 |
| | | | | | 2 | Francisco Comesaña | 1 | 7$^9$ | 6 |
| 3 | Hugo Dellien | 4 | 6 | 2 | 2 | Francisco Comesaña | 1 | 7$^9$ | 6 |
| 2 | Francisco Comesaña | 6 | 3 | 6 | | | | | |

### Top half

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals |
| 1 | F Coria | 5 | 6 | 6 | | | | | | | | | | | | |
| | Á Guillén Meza | 7 | 1 | 2 | 1 | F Coria | 6 | 6 | | | | | | | | |
| WC | GA Olivieri | 6$^5$ | 4 | | Q | G Villanueva | 4 | 3 | | | | | | | | |
| Q | G Villanueva | 7$^7$ | 6 | | | | | | 1 | F Coria | 6 | 6 | | | | |
| | E Couacaud | 6 | 6 | | | | | | 7 | G Heide | 4 | 4 | | | | |
| WC | JI Londero | 4 | 4 | | | E Couacaud | 4 | 6$^3$ | | | | | | | | |
| Q | C Huertas del Pino | 4 | 5 | | 7 | G Heide | 6 | 7$^7$ | | | | | | | | |
| 7 | G Heide | 6 | 7 | | | | | | | | | | 1 | F Coria | 7$^{13}$ | 7 |
| 4 | C Ugo Carabelli | 6 | 6 | | | | | | | | | | WC | JB Torres | 6$^{11}$ | 5 |
| | S Rodríguez Taverna | 1 | 3 | | 4 | C Ugo Carabelli | 6 | 6 | | | | | | | | |
| Q | V Aboian | 5 | 4 | | | M Dellien | 4 | 4 | | | | | | | | |
| | M Dellien | 7 | 6 | | | | | | 4 | C Ugo Carabelli | 0 | 4 | | | | |
| WC | JB Torres | 6 | 6 | | | | | | WC | JB Torres | 6 | 6 | | | | |
| | JP Ficovich | 2 | 4 | | WC | JB Torres | 6 | 6 | | | | | | | | |
| | JM Cerúndolo | 6 | 6 | | | JM Cerúndolo | 3 | 4 | | | | | | | | |
| 8 | FA Gómez | 3 | 2 | | | | | | | | | | | | | |

### Bottom half

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals | Semifinals |
| 5 | J de Jong | 6 | 6 | | | | | | | | | | | | | | | |
| | F Mena | 4 | 0 | | 5 | J de Jong | 6 | 6 | | | | | | | | | | |
| Q | Tomás Farjat | 2 | 6 | 0 | | A Collarini | 4 | 3 | | | | | | | | | | |
| | A Collarini | 6 | 3 | 6 | | | | | 5 | J de Jong | 3 | 6 | 2 | | | | | |
| | F Meligeni Alves | 1 | 7$^7$ | 7$^8$ | | | | | 3 | H Dellien | 6 | 1 | 6 | | | | | |
| Q | Luciano Emanuel Ambrogi | 6 | 6$^5$ | 6$^6$ | | F Meligeni Alves | 3 | 4 | | | | | | | | | | |
| | H Habib | 0 | 2 | | 3 | H Dellien | 6 | 6 | | | | | | | | | | |
| 3 | H Dellien | 6 | 6 | | | | | | | | | | | 3 | H Dellien | 4 | 6 | 2 |
| 6 | RA Burruchaga | 3 | 7$^9$ | 6 | | | | | | | | | | 2 | F Comesaña | 6 | 3 | 6 |
| SE | AD Vallejo | 6 | 6$^7$ | 1 | 6 | RA Burruchaga | 1 | 3 | | | | | | | | | | |
| | P Sakamoto | 6$^4$ | 2 | | | JP Varillas | 6 | 6 | | | | | | | | | | |
| | JP Varillas | 7$^7$ | 6 | | | | | | | JP Varillas | 4 | 7$^8$ | 5 | | | | | |
| | D Popko | 6 | 6$^4$ | 7$^7$ | | | | | 2 | F Comesaña | 6 | 6$^6$ | 7 | | | | | |
| Q | N Kicker | 2 | 7$^7$ | 6$^3$ | | D Popko | 6$^4$ | 6$^7$ | | | | | | | | | | |
| Alt | G Bueno | 5 | 4 | | 2 | F Comesaña | 7$^7$ | 7$^9$ | | | | | | | | | | |
| 2 | F Comesaña | 7 | 6 | | | | | | | | | | | | | | | |