# 2023 Lima Challenger – Singles

Daniel Altmaier was the defending champion but chose not to defend his title.
Álvaro Guillén Meza won the title by defeating Blaise Bicknell 7–6(7–3), 6–1 in the final.

## Seeds

* Juan Pablo Ficovich (second round)
* Renzo Olivo (semifinals)
* João Lucas Reis da Silva (second round)
* Murkel Dellien (semifinals)
* Gustavo Heide (second round)
* Gonzalo Lama (quarterfinals)
* Daniel Dutra da Silva (first round)
* Gonzalo Bueno (quarterfinals)

## 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 |
| | Blaise Bicknell | 3 | 7$^8$ | 6 | | | |
| 4 | Murkel Dellien | 6 | 6$^6$ | 3 | | | |
| 4 | Murkel Dellien | 6 | 6$^6$ | 3 | Blaise Bicknell | 6$^3$ | 1 |
| | | | | | Álvaro Guillén Meza | 7$^7$ | 6 |
| | Álvaro Guillén Meza | 7 | 7 | | Álvaro Guillén Meza | 7$^7$ | 6 |
| 2 | Renzo Olivo | 5 | 5 | | | | |

### 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 | Semifinals |
| 1 | JP Ficovich | 6 | 7$^7$ | | | | | | | | | | | | | | | | |
| | Tomás Farjat | 1 | 6$^1$ | | 1 | JP Ficovich | 5 | 6 | 3 | | | | | | | | | | |
| | B Bicknell | 6 | 6 | | | B Bicknell | 7 | 4 | 6 | | | | | | | | | | |
| Q | V Lilov | 2 | 4 | | | | | | | | B Bicknell | 3 | 7$^7$ | 6 | | | | | |
| | AD Vallejo | 6 | 6 | | | | | | | Q | I Buse | 6 | 6$^2$ | 4 | | | | | |
| | P Boscardin Dias | 2 | 4 | | | AD Vallejo | 5 | 6$^4$ | | | | | | | | | | | |
| Q | I Buse | 3 | 6 | 6 | Q | I Buse | 7 | 7$^7$ | | | | | | | | | | | |
| 7 | D Dutra da Silva | 6 | 3 | 2 | | | | | | | | | | | | B Bicknell | 3 | 7$^8$ | 6 |
| 4 | M Dellien | 6 | 2 | 6 | | | | | | | | | | | 4 | M Dellien | 6 | 6$^6$ | 3 |
| | M Alves | 1 | 6 | 0 | 4 | M Dellien | 5 | 6 | 6 | | | | | | | | | | |
| Q | Guido Iván Justo | 4 | 6$^5$ | | Q | P Sakamoto | 7 | 0 | 0 | | | | | | | | | | |
| Q | P Sakamoto | 6 | 7$^7$ | | | | | | | 4 | M Dellien | 6 | 7$^8$ | | | | | | |
| | Juan Bautista Otegui | 6 | 6 | | | | | | | 6 | G Lama | 2 | 6$^6$ | | | | | | |
| Q | MF Descotte | 3 | 4 | | | JB Otegui | 6$^8$ | 4 | | | | | | | | | | | |
| | J Panta | 7$^7$ | 4 | 5 | 6 | G Lama | 7$^{10}$ | 6 | | | | | | | | | | | |
| 6 | G Lama | 6$^4$ | 6 | 7 | | | | | | | | | | | | | | | |

### 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 | G Heide | 6 | 6$^3$ | 6 | | | | | | | | | | | | | | |
| | Ignacio Monzón | 0 | 7$^7$ | 1 | 5 | G Heide | 2 | 6 | 6$^4$ | | | | | | | | | |
| | Á Guillén Meza | 6 | 6 | | | Á Guillén Meza | 6 | 2 | 7$^7$ | | | | | | | | | |
| | V Aboian | 1 | 2 | | | | | | | | Á Guillén Meza | 6 | 5 | 6 | | | | |
| WC | A Huertas del Pino | 6 | 1 | 6 | | | | | | WC | A Huertas del Pino | 2 | 7 | 4 | | | | |
| | B Kuzuhara | 4 | 6 | 3 | WC | A Huertas del Pino | 7 | 2 | 6 | | | | | | | | | |
| | Wilson Leite | 1 | 3 | | 3 | JL Reis da Silva | 5 | 6 | 2 | | | | | | | | | |
| 3 | JL Reis da Silva | 6 | 6 | | | | | | | | | | | | | Á Guillén Meza | 7 | 7 |
| 8 | G Bueno | 6 | 6 | | | | | | | | | | | | 2 | R Olivo | 5 | 5 |
| WC | Milledge Cossu | 2 | 3 | | 8 | G Bueno | 6 | 6 | | | | | | | | | | |
| | A Andrade | 6 | 6 | | | A Andrade | 3 | 2 | | | | | | | | | | |
| | Leonardo Aboian | 3 | 4 | | | | | | | 8 | G Bueno | 6 | 3 | 3 | | | | |
| | G Villanueva | 6 | 1 | 7 | | | | | | 2 | R Olivo | 4 | 6 | 6 | | | | |
| Q | JC Prado Ángelo | 3 | 6 | 5 | | G Villanueva | 6 | 3 | 4 | | | | | | | | | |
| WC | C Huertas del Pino | 6 | 5 | 5 | 2 | R Olivo | 0 | 6 | 6 | | | | | | | | | |
| 2 | R Olivo | 3 | 7 | 7 | | | | | | | | | | | | | | |