# 2023 Challenger Santa Fe – Singles

This was the first edition of the tournament.
Mariano Navone won the title after defeating Daniel Vallejo 6–2, 6–4 in the final.

## Seeds

* Mariano Navone (champion)
* Santiago Rodríguez Taverna (first round)
* Román Andrés Burruchaga (semifinals)
* Francisco Comesaña (semifinals)
* Gustavo Heide (first round)
* Eduardo Ribeiro (first round)
* Nicolás Álvarez (withdrew)
* Pedro Boscardin Dias (quarterfinals)
* Matías Franco Descotte (second 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 | Mariano Navone | 7 | 7 | | | | | |
| 4 | Francisco Comesaña | 5 | 5 | | | | | |
| 4 | Francisco Comesaña | 5 | 5 | | 1 | Mariano Navone | 6 | 6 |
| | | | | | Q | Daniel Vallejo | 2 | 4 |
| 3 | Román Andrés Burruchaga | 6 | 6$^5$ | 4 | Q | Daniel Vallejo | 2 | 4 |
| Q | Daniel Vallejo | 4 | 7$^7$ | 6 | | | | |

### 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 | Semifinals | Semifinals | Semifinals | Semifinals |
| 1 | M Navone | 6 | 6 | | | | | | | | | | | | | | |
| | João Victor Couto Loureiro | 2 | 4 | | 1 | M Navone | 6 | 6 | | | | | | | | | |
| LL | I Carou | 6 | 3 | 1 | | LE Ambrogi | 4 | 1 | | | | | | | | | |
| | Luciano Emanuel Ambrogi | 4 | 6 | 6 | | | | | | 1 | M Navone | 6 | 6 | | | | |
| | Tomás Farjat | 6$^5$ | 6 | 6 | | | | | | | T Farjat | 2 | 3 | | | | |
| | Fermín Tenti | 7$^7$ | 4 | 3 | | T Farjat | 6 | 6$^3$ | 6 | | | | | | | | |
| Q | Igor Gimenez | 6 | 4 | 6 | Q | I Gimenez | 3 | 7$^7$ | 2 | | | | | | | | |
| 6 | E Ribeiro | 2 | 6 | 4 | | | | | | | | | | 1 | M Navone | 7 | 7 |
| 4 | F Comesaña | 6 | 6 | | | | | | | | | | | 4 | F Comesaña | 5 | 5 |
| | Guido Iván Justo | 2 | 4 | | 4 | F Comesaña | 6 | 6 | | | | | | | | | |
| | G Lama | 6 | 6$^2$ | 6 | | G Lama | 3 | 3 | | | | | | | | | |
| | Lorenzo Joaquín Rodríguez | 3 | 7$^7$ | 4 | | | | | | 4 | F Comesaña | 6 | 7$^7$ | | | | |
| | M Soto | 6 | 7$^7$ | | | | | | | Q | Á Guillén Meza | 0 | 6$^3$ | | | | |
| Q | Nicolás Villalón | 2 | 6$^5$ | | | M Soto | 3 | 1 | | | | | | | | | |
| Q | Á Guillén Meza | 6 | 6 | | Q | Á Guillén Meza | 6 | 6 | | | | | | | | | |
| 5 | G Heide | 4 | 4 | | | | | | | | | | | | | | |

### 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 | Semifinals |
| 8 | P Boscardin Dias | 7$^7$ | 6 | | | | | | | | | | | | | | | |
| Alt | Preston Brown | 6$^5$ | 3 | | 8 | P Boscardin Dias | 7$^8$ | 4 | 6 | | | | | | | | | |
| | B Kuzuhara | 6 | 6 | | | B Kuzuhara | 6$^6$ | 6 | 3 | | | | | | | | | |
| | L Catarina | 2 | 4 | | | | | | | 8 | P Boscardin Dias | 3 | 5 | | | | | |
| Q | Lautaro Corthey | 1 | 4 | | | | | | | 3 | RA Burruchaga | 6 | 7 | | | | | |
| Q | Luciano Tacchi | 6 | 6 | | Q | L Tacchi | 6$^2$ | 3 | | | | | | | | | | |
| | M Alves | 2 | 6 | 3 | 3 | RA Burruchaga | 7$^7$ | 6 | | | | | | | | | | |
| 3 | RA Burruchaga | 6 | 3 | 6 | | | | | | | | | | 3 | RA Burruchaga | 6 | 6$^5$ | 4 |
| 9 | MF Descotte | 6 | 6 | | | | | | | | | | | Q | AD Vallejo | 4 | 7$^7$ | 6 |
| WC | Lucio Ratti | 0 | 2 | | 9 | MF Descotte | 6 | 4 | 1 | | | | | | | | | |
| | Santiago de la Fuente | 6 | 3 | 0 | Q | AD Vallejo | 3 | 6 | 6 | | | | | | | | | |
| Q | AD Vallejo | 4 | 6 | 6 | | | | | | Q | AD Vallejo | 6 | 6 | | | | | |
| | Ignacio Monzón | 6 | 7 | | | | | | | | I Monzón | 0 | 4 | | | | | |
| Alt | Juan Manuel La Serna | 3 | 5 | | | I Monzón | 7$^7$ | 6 | | | | | | | | | | |
| WC | AL Lingua Lavallén | 6 | 3 | 6 | WC | AL Lingua Lavallén | 6$^1$ | 3 | | | | | | | | | | |
| 2 | S Rodríguez Taverna | 4 | 6 | 3 | | | | | | | | | | | | | | |