# 2020 Lima Challenger – Singles

Thiago Monteiro was the defending champion but chose not to defend his title.
Daniel Elahi Galán won the title after defeating Thiago Agustín Tirante 6–1, 3–6, 6–3 in the final.

## Seeds

* Federico Coria (second round)
* Roberto Carballés Baena (quarterfinals)
* Andrej Martin (withdrew)
* Jaume Munar (withdrew)
* Pedro Sousa (first round)
* Facundo Bagnis (first round)
* Daniel Elahi Galán (champion)
* Juan Pablo Varillas (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 | Final |
| Q | Thiago Agustín Tirante | 6 | 6 | | | | | | |
| Q | Vitaliy Sachko | 2 | 4 | | | | | | |
| Q | Vitaliy Sachko | 2 | 4 | | Q | Thiago Agustín Tirante | 1 | 6 | 3 |
| | | | | | 7 | Daniel Elahi Galán | 6 | 3 | 6 |
| | Marcelo Tomás Barrios Vera | 6$^4$ | 6 | 4 | 7 | Daniel Elahi Galán | 6 | 3 | 6 |
| 7 | Daniel Elahi Galán | 7$^7$ | 4 | 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 | F Coria | 6 | 6 | | | | | | | | | | | | | | |
| | M Vilella Martínez | 2 | 4 | | 1 | F Coria | 5 | 5 | | | | | | | | | |
| | J Sels | 2 | 2 | | | F Cerúndolo | 7 | 7 | | | | | | | | | |
| | F Cerúndolo | 6 | 6 | | | | | | | | F Cerúndolo | 2 | 0 | | | | |
| | O Roca Batalla | 7 | 7 | | | | | | | Q | TA Tirante | 6 | 6 | | | | |
| | P Krstin | 5 | 5 | | | O Roca Batalla | 3 | 3 | | | | | | | | | |
| Q | TA Tirante | 6 | 6 | | Q | TA Tirante | 6 | 6 | | | | | | | | | |
| 5 | P Sousa | 2 | 1 | | | | | | | | | | | Q | TA Tirante | 6 | 6 |
| LL | S Galdós | 2 | 1 | | | | | | | | | | | Q | V Sachko | 2 | 4 |
| | A Tabilo | 6 | 6 | | | A Tabilo | 6 | 5 | 6 | | | | | | | | |
| WC | N Jarry | 2 | 6 | 2 | | N Álvarez | 4 | 7 | 2 | | | | | | | | |
| | N Álvarez | 6 | 2 | 6 | | | | | | | A Tabilo | 4 | 4 | | | | |
| | JM Cerúndolo | 6 | 7 | | | | | | | Q | V Sachko | 6 | 6 | | | | |
| WC | C Huertas del Pino | 4 | 5 | | | JM Cerúndolo | 4 | 3 | | | | | | | | | |
| Q | V Sachko | 3 | 6 | 7$^7$ | Q | V Sachko | 6 | 6 | | | | | | | | | |
| 6 | F Bagnis | 6 | 1 | 6$^5$ | | | | | | | | | | | | | |

### 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 | Semifinals |
| 8 | JP Varillas | 6 | 7$^8$ | | | | | | | | | | | | | | | | |
| Alt | S Doumbia | 1 | 6$^6$ | | 8 | JP Varillas | 1 | 2 | | | | | | | | | | | |
| Q | G Lama | 6$^2$ | 6 | 2 | | MT Barrios Vera | 6 | 6 | | | | | | | | | | | |
| | MT Barrios Vera | 7$^7$ | 3 | 6 | | | | | | | MT Barrios Vera | 6$^4$ | 6 | 6 | | | | | |
| | V Kopřiva | 6 | 6 | | | | | | | | V Kopřiva | 7$^7$ | 3 | 2 | | | | | |
| LL | Bastián Malla | 2 | 3 | | | V Kopřiva | 6 | 3 | 6 | | | | | | | | | | |
| SE | J de Jong | 6 | 6 | | SE | J de Jong | 0 | 6 | 1 | | | | | | | | | | |
| LL | C Altamirano | 2 | 4 | | | | | | | | | | | | | MT Barrios Vera | 6$^4$ | 6 | 4 |
| 7 | DE Galán | 6 | 6 | | | | | | | | | | | | 7 | DE Galán | 7$^7$ | 4 | 6 |
| | A Velotti | 3 | 1 | | 7 | DE Galán | 6 | 6 | | | | | | | | | | | |
| Q | Wilson Leite | 2 | 7$^7$ | 1 | PR | Í Cervantes | 3 | 2 | | | | | | | | | | | |
| PR | Í Cervantes | 6 | 6$^4$ | 6 | | | | | | 7 | DE Galán | 7$^8$ | 6 | | | | | | |
| WC | J Panta | 4 | 1 | | | | | | | 2 | R Carballés Baena | 6$^6$ | 2 | | | | | | |
| | R Olivo | 6 | 6 | | | R Olivo | 7 | 0 | 4 | | | | | | | | | | |
| LL | M Echazú | 1 | 0 | | 2 | R Carballés Baena | 5 | 6 | 6 | | | | | | | | | | |
| 2 | R Carballés Baena | 6 | 6 | | | | | | | | | | | | | | | | |