# 2023 Lima Challenger II – Singles

Álvaro Guillén Meza was the defending champion but lost in the second round to Mariano Navone.
Luciano Darderi won the title after defeating Navone 4–6, 6–3, 7–5 in the final.

## Seeds

* Juan Pablo Varillas (quarterfinals)
* Federico Coria (first round)
* Daniel Elahi Galán (quarterfinals)
* Tomás Barrios Vera (first round)
* Facundo Díaz Acosta (first round)
* Hugo Dellien (first round)
* Juan Manuel Cerúndolo (first round)
* Francisco Comesaña (semifinals)

## 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 |
| | Luciano Darderi | 7 | 4 | 6 | | | | |
| | Alejandro Tabilo | 5 | 6 | 3 | | | | |
| | Alejandro Tabilo | 5 | 6 | 3 | Luciano Darderi | 4 | 6 | 7 |
| | | | | | Mariano Navone | 6 | 3 | 5 |
| 8 | Francisco Comesaña | 6 | 3 | 2 | Mariano Navone | 6 | 3 | 5 |
| | Mariano Navone | 3 | 6 | 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 | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals |
| 1 | JP Varillas | 7$^7$ | 6$^8$ | 6 | | | | | | | | | | | | | |
| | F Meligeni Alves | 6$^4$ | 7$^{10}$ | 4 | 1 | JP Varillas | 6 | 6 | | | | | | | | | |
| Q | V Vacherot | 3 | 0 | | Q | JL Reis da Silva | 2 | 0 | | | | | | | | | |
| Q | JL Reis da Silva | 6 | 6 | | | | | | 1 | JP Varillas | 7$^8$ | 3 | 0 | | | | |
| | L Darderi | 6 | 3 | 7 | | | | | | L Darderi | 6$^6$ | 6 | 6 | | | | |
| Q | K Feldbausch | 4 | 6 | 5 | | L Darderi | 6 | 6 | | | | | | | | | |
| | C Ugo Carabelli | 6 | 6 | | | C Ugo Carabelli | 4 | 2 | | | | | | | | | |
| 6 | H Dellien | 4 | 1 | | | | | | | | | | | L Darderi | 7 | 4 | 6 |
| 4 | T Barrios Vera | 4 | 6 | 3 | | | | | | | | | | A Tabilo | 5 | 6 | 3 |
| | Edoardo Lavagno | 6 | 2 | 6 | | E Lavagno | 3 | 0 | | | | | | | | | |
| Q | M Pucinelli de Almeida | 1 | 2 | | | RA Burruchaga | 6 | 6 | | | | | | | | | |
| | RA Burruchaga | 6 | 6 | | | | | | | RA Burruchaga | 2 | 5 | | | | | |
| | A Tabilo | 6 | 6 | | | | | | | A Tabilo | 6 | 7 | | | | | |
| | AD Vallejo | 4 | 1 | | | A Tabilo | 6 | 6 | | | | | | | | | |
| WC | C Huertas del Pino | 6 | 6 | | WC | C Huertas del Pino | 3 | 4 | | | | | | | | | |
| 5 | F Díaz Acosta | 2 | 2 | | | | | | | | | | | | | | |

### 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 | F Comesaña | 6 | 6 | | | | | | | | | | | | | | | |
| | R Pacheco Méndez | 4 | 2 | | 8 | F Comesaña | 6 | 4 | 6 | | | | | | | | | |
| | E Ymer | 3 | 6 | 6 | | E Ymer | 4 | 6 | 4 | | | | | | | | | |
| | F Agamenone | 6 | 1 | 4 | | | | | | 8 | F Comesaña | 6 | 6 | | | | | |
| | A Giannessi | 1 | 6 | 6 | | | | | | 3 | DE Galán | 4 | 4 | | | | | |
| | O Roca Batalla | 6 | 3 | 2 | | A Giannessi | 4 | 3 | | | | | | | | | | |
| Q | M Alves | 6 | 1 | 6$^5$ | 3 | DE Galán | 6 | 6 | | | | | | | | | | |
| 3 | DE Galán | 3 | 6 | 7$^7$ | | | | | | | | | | 8 | F Comesaña | 6 | 3 | 2 |
| 7 | JM Cerúndolo | 3 | 3 | | | | | | | | | | | | M Navone | 3 | 6 | 6 |
| | G Andreozzi | 6 | 6 | | | G Andreozzi | 6 | 5 | 6 | | | | | | | | | |
| | O Crawford | 5 | 0 | | WC | A Huertas del Pino | 2 | 7 | 4 | | | | | | | | | |
| WC | A Huertas del Pino | 7 | 6 | | | | | | | | G Andreozzi | 2 | 2$^r$ | | | | | |
| WC | I Buse | 7$^7$ | 3 | 4 | | | | | | | M Navone | 6 | 2 | | | | | |
| Q | A Guillén Meza | 6$^2$ | 6 | 6 | Q | A Guillén Meza | 3 | 2 | | | | | | | | | | |
| | M Navone | 6 | 7$^7$ | | | M Navone | 6 | 6 | | | | | | | | | | |
| 2 | F Coria | 4 | 6$^4$ | | | | | | | | | | | | | | | |