# 2023 Challenger Concepción – Singles

Daniel Elahi Galán was the defending champion but chose not to defend his title.
Federico Coria won the title after defeating Timofey Skatov 6–4, 6–3 in the final.

## Seeds

* Federico Coria (champion)
* Alejandro Tabilo (quarterfinals)
* Juan Pablo Varillas (second round)
* Juan Manuel Cerúndolo (quarterfinals)
* Camilo Ugo Carabelli (second round)
* Hugo Dellien (semifinals)
* Federico Delbonis (quarterfinals)
* Timofey Skatov (final)

## 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 |
| 1 | Federico Coria | 6 | 6 | | | | |
| 6 | Hugo Dellien | 1 | 2 | | | | |
| 6 | Hugo Dellien | 1 | 2 | 1 | Federico Coria | 6 | 6 |
| | | | | 8 | Timofey Skatov | 4 | 3 |
| | Facundo Díaz Acosta | 5 | 1$^r$ | 8 | Timofey Skatov | 4 | 3 |
| 8 | Timofey Skatov | 7 | 1 | | | | |

### 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 | F Coria | 6 | 6 | | | | | | | | | | | | | | | |
| Q | D Dutra da Silva | 4 | 3 | | 1 | F Coria | 6 | 6 | | | | | | | | | | |
| Q | P Boscardin Dias | 6 | 6 | | Q | P Boscardin Dias | 2 | 4 | | | | | | | | | | |
| WC | M Soto | 0 | 2 | | | | | | | 1 | F Coria | 3 | 6 | 6 | | | | |
| | F Agamenone | 1 | 4 | | | | | | | 7 | F Delbonis | 6 | 2 | 2 | | | | |
| Q | O Roca Batalla | 6 | 6 | | Q | O Roca Batalla | 6$^4$ | 3 | | | | | | | | | | |
| WC | G Lama | 1 | 7 | 5 | 7 | F Delbonis | 7$^7$ | 6 | | | | | | | | | | |
| 7 | F Delbonis | 6 | 5 | 7 | | | | | | | | | | | 1 | F Coria | 6 | 6 |
| 4 | JM Cerúndolo | 1 | 7$^7$ | 6 | | | | | | | | | | | 6 | H Dellien | 1 | 2 |
| | T Barrios Vera | 6 | 6$^5$ | 1 | 4 | JM Cerúndolo | 7 | 6 | | | | | | | | | | |
| | M Pucinelli de Almeida | 7$^7$ | 1 | 6$^5$ | Q | H Casanova | 5 | 3 | | | | | | | | | | |
| Q | H Casanova | 6$^4$ | 6 | 7$^7$ | | | | | | 4 | JM Cerúndolo | 3 | 3 | | | | | |
| | JP Ficovich | 2 | 2 | | | | | | | 6 | H Dellien | 6 | 6 | | | | | |
| | N Kicker | 6 | 6 | | | N Kicker | 6 | 4 | 0 | | | | | | | | | |
| | M Kukushkin | 2 | 2 | | 6 | H Dellien | 4 | 6 | 6 | | | | | | | | | |
| 6 | H Dellien | 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 | C Ugo Carabelli | 6 | 4 | 7 | | | | | | | | | | | | | | |
| | TA Tirante | 4 | 6 | 5 | 5 | C Ugo Carabelli | 6 | 3 | 0 | | | | | | | | | |
| Q | JB Torres | 6 | 6 | | Q | JB Torres | 4 | 6 | 6 | | | | | | | | | |
| | R Olivo | 3 | 4 | | | | | | | Q | JB Torres | 3 | 7$^7$ | 3 | | | | |
| Q | JL Reis da Silva | 4 | 6 | 3 | | | | | | | F Díaz Acosta | 6 | 6$^2$ | 6 | | | | |
| | F Díaz Acosta | 6 | 3 | 6 | | F Díaz Acosta | 6 | 5 | 6 | | | | | | | | | |
| Alt | A Collarini | 6 | 2 | 2 | 3 | JP Varillas | 1 | 7 | 3 | | | | | | | | | |
| 3 | JP Varillas | 3 | 6 | 6 | | | | | | | | | | | | F Díaz Acosta | 5 | 1$^r$ |
| 8 | T Skatov | 7 | 7$^8$ | | | | | | | | | | | | 8 | T Skatov | 7 | 1 |
| | T-l Wu | 5 | 6$^6$ | | 8 | T Skatov | 6 | 6 | | | | | | | | | | |
| LL | N Mejía | 7$^7$ | 5 | 7$^8$ | LL | N Mejía | 2 | 2 | | | | | | | | | | |
| | GA Olivieri | 6$^5$ | 7 | 6$^6$ | | | | | | 8 | T Skatov | 6 | 3 | 7 | | | | |
| | L Darderi | 6 | 6 | | | | | | | 2 | A Tabilo | 4 | 6 | 5 | | | | |
| WC | G Andreozzi | 3 | 2 | | | L Darderi | 4 | 5 | | | | | | | | | | |
| Alt | M Navone | 6 | 6$^0$ | 1 | 2 | A Tabilo | 6 | 7 | | | | | | | | | | |
| 2 | A Tabilo | 1 | 7$^7$ | 6 | | | | | | | | | | | | | | |