# 2021 Quito Challenger – Singles

Nicolás Jarry was the defending champion but chose not to defend his title.
Facundo Mena won the title after defeating Gonzalo Lama 6–4, 6–4 in the final.

## Seeds

* Andrej Martin (first round)
* Emilio Gómez (second round)
* Mario Vilella Martínez (second round)
* Renzo Olivo (second round)
* Juan Pablo Ficovich (quarterfinals)
* Facundo Mena (champion)
* Thiago Agustín Tirante (quarterfinals)
* Roberto Quiroz (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 |
| | Pol Martín Tiffon | 6$^{11}$ | 4 | | | | | |
| | Gonzalo Lama | 7$^{13}$ | 6 | | | | | |
| | Gonzalo Lama | 7$^{13}$ | 6 | | | Gonzalo Lama | 4 | 4 |
| | | | | | 6 | Facundo Mena | 6 | 6 |
| 6 | Facundo Mena | 6 | 4 | 6 | 6 | Facundo Mena | 6 | 6 |
| Q | Alexis Gautier | 2 | 6 | 2 | | | | |

### 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 |
| 1 | A Martin | 6$^6$ | 5 | | | | | | | | | | | | | | |
| | Pol Martín Tiffon | 7$^8$ | 7 | | | P Martín Tiffon | 4 | 7$^7$ | 6 | | | | | | | | |
| | A González | 6 | 7$^7$ | | | A González | 6 | 6$^4$ | 3 | | | | | | | | |
| Q | L Castelnuovo | 2 | 6$^4$ | | | | | | | | P Martín Tiffon | 3 | 6 | 6 | | | |
| | Eduard Esteve Lobato | 6 | 6 | | | | | | | 5 | JP Ficovich | 6 | 3 | 4 | | | |
| | G Oliveira | 2 | 3 | | | E Esteve Lobato | 6 | 6$^5$ | 4 | | | | | | | | |
| | L Catarina | 2 | 4 | | 5 | JP Ficovich | 2 | 7$^7$ | 6 | | | | | | | | |
| 5 | JP Ficovich | 6 | 6 | | | | | | | | | | | | P Martín Tiffon | 6$^{11}$ | 4 |
| 3 | M Vilella Martínez | 6 | 6$^5$ | 6 | | | | | | | | | | | G Lama | 7$^{13}$ | 6 |
| Q | Christian Langmo | 3 | 7$^7$ | 2 | 3 | M Vilella Martínez | 6 | 6$^4$ | 3 | | | | | | | | |
| | G Lama | 7 | 4 | 6 | | G Lama | 3 | 7$^7$ | 6 | | | | | | | | |
| WC | A Guillén Meza | 5 | 6 | 2 | | | | | | | G Lama | 7$^7$ | 7$^7$ | | | | |
| | C Gómez-Herrera | 2 | 4 | | | | | | | 7 | TA Tirante | 6$^5$ | 6$^4$ | | | | |
| | A Menéndez Maceiras | 6 | 6 | | | A Menéndez Maceiras | 5 | 2 | | | | | | | | | |
| | P Kypson | 7$^9$ | 1 | 3 | 7 | TA Tirante | 7 | 6 | | | | | | | | | |
| 7 | TA Tirante | 6$^7$ | 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 | Semifinals | Semifinals | Semifinals | Semifinals | Semifinals |
| 6 | F Mena | 7$^8$ | 7 | | | | | | | | | | | | | | | |
| Q | A Gómez | 6$^6$ | 5 | | 6 | F Mena | 6 | 6 | | | | | | | | | | |
| | Matías Zukas | 7$^7$ | 5 | 6$^4$ | | C Rodríguez | 2 | 4 | | | | | | | | | | |
| | C Rodríguez | 6$^4$ | 7 | 7$^7$ | | | | | | 6 | F Mena | 6 | 6 | | | | | |
| | GA Olivieri | 3 | 6 | 7 | | | | | | | GA Olivieri | 4 | 0 | | | | | |
| | O Roca Batalla | 6 | 3 | 5 | | GA Olivieri | 6 | 6 | | | | | | | | | | |
| | G Villanueva | 4 | 4 | | 4 | R Olivo | 2 | 2 | | | | | | | | | | |
| 4 | R Olivo | 6 | 6 | | | | | | | | | | | 6 | F Mena | 6 | 4 | 6 |
| 8 | R Quiroz | 6 | 7 | | | | | | | | | | | Q | A Gautier | 2 | 6 | 2 |
| | D Hidalgo | 4 | 5 | | 8 | R Quiroz | 6 | 2 | 3 | | | | | | | | | |
| | Matthieu Perchicot | 6 | 6 | | | M Perchicot | 2 | 6 | 6 | | | | | | | | | |
| WC | AC March | 4 | 0 | | | | | | | | M Perchicot | 4 | 3 | | | | | |
| | J Nikles | 0 | 4 | | | | | | | Q | A Gautier | 6 | 6 | | | | | |
| Q | Alexis Gautier | 6 | 6 | | Q | A Gautier | 7 | 7$^7$ | | | | | | | | | | |
| WC | Gian Carlos Rodríguez | 1 | 2 | | 2 | E Gómez | 5 | 6$^2$ | | | | | | | | | | |
| 2 | E Gómez | 6 | 6 | | | | | | | | | | | | | | | |