# 2020 Chile Open – Singles

Fabio Fognini was the champion in 2014, when the event was last held, but chose to compete in Dubai instead.
Thiago Seyboth Wild won his first ATP Tour title, defeating Casper Ruud in the final, 7–5, 4–6, 6–3. Seyboth Wild also becomes the first player born in 2000 to win an ATP Tour title.

## Seeds

The top four seeds received a bye into the second round.
* Cristian Garín (quarterfinals, retired)
* Casper Ruud (final)
* Albert Ramos Viñolas (semifinals)
* Pablo Cuevas (second round)
* Juan Ignacio Londero (second round)
* Hugo Dellien (quarterfinals)
* Federico Delbonis (quarterfinals)
* Thiago Monteiro (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 | Final | Final | Final | Final | Final |
| WC | Thiago Seyboth Wild | 6 | 6 | | | | | |
| Q | Renzo Olivo | 1 | 3 | | | | | |
| Q | Renzo Olivo | 1 | 3 | WC | Thiago Seyboth Wild | 7 | 4 | 6 |
| | | | | 2 | Casper Ruud | 5 | 6 | 3 |
| 3 | Albert Ramos Viñolas | 6$^5$ | 2 | 2 | Casper Ruud | 5 | 6 | 3 |
| 2 | Casper Ruud | 7$^7$ | 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 | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals |
| | | | | | 1 | C Garín | 6 | 0 | 7$^7$ | | | | | | | | | |
| | A Martin | 6 | 6$^5$ | 3 | | A Davidovich Fokina | 2 | 6 | 6$^4$ | | | | | | | | | |
| | A Davidovich Fokina | 2 | 7$^7$ | 6 | | | | | | 1 | C Garín | 6$^1$ | 0$^r$ | | | | | |
| WC | T Seyboth Wild | 6 | 3 | 6 | | | | | | WC | T Seyboth Wild | 7$^7$ | 0 | | | | | |
| | F Bagnis | 1 | 6 | 1 | WC | T Seyboth Wild | 7$^9$ | 6 | | | | | | | | | | |
| | F Coria | 4 | 2 | | 5 | JI Londero | 6$^7$ | 4 | | | | | | | | | | |
| 5 | JI Londero | 6 | 6 | | | | | | | | | | | | WC | T Seyboth Wild | 6 | 6 |
| | | | | | | | | | | | | | | | Q | R Olivo | 1 | 3 |
| | | | | | 4 | P Cuevas | 7 | 6$^5$ | 6$^8$ | | | | | | | | | |
| Q | R Olivo | 4 | 6 | 6 | Q | R Olivo | 5 | 7$^7$ | 7$^{10}$ | | | | | | | | | |
| | P Sousa | 6 | 3 | 4 | | | | | | Q | R Olivo | 3 | 7$^7$ | 7 | | | | |
| WC | MT Barrios Vera | 4 | 6 | 6 | | | | | | 6 | H Dellien | 6 | 6$^5$ | 5 | | | | |
| Q | C Taberner | 6 | 4 | 2 | WC | MT Barrios Vera | 3 | 6$^2$ | | | | | | | | | | |
| | M Cecchinato | 3 | 6 | 3 | 6 | H Dellien | 6 | 7$^7$ | | | | | | | | | | |
| 6 | H Dellien | 6 | 1 | 6 | | | | | | | | | | | | | | |

### Bottom half

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals |
| 8 | T Monteiro | 6$^0$ | 6 | 6 | | | | | | | | | | | | |
| | L Mayer | 7$^7$ | 3 | 4 | 8 | T Monteiro | 6 | 6 | | | | | | | | |
| | R Carballés Baena | 6 | 4 | 6 | | R Carballés Baena | 1 | 4 | | | | | | | | |
| | J Munar | 4 | 6 | 4 | | | | | 8 | T Monteiro | 4 | 4 | | | | |
| Q | F Horanský | 4 | 2 | | | | | | 3 | A Ramos Viñolas | 6 | 6 | | | | |
| LL | JP Varillas | 6 | 6 | | LL | JP Varillas | 6$^3$ | 2 | | | | | | | | |
| | | | | | 3 | A Ramos Viñolas | 7$^7$ | 6 | | | | | | | | |
| | | | | | | | | | | | | | 3 | A Ramos Viñolas | 6$^5$ | 2 |
| 7 | F Delbonis | 6 | 7$^7$ | | | | | | | | | | 2 | C Ruud | 7$^7$ | 6 |
| Q | M Kližan | 1 | 6$^5$ | | 7 | F Delbonis | 7$^7$ | 6 | | | | | | | | |
| | J Kovalík | 2 | 3 | | | S Caruso | 6$^1$ | 3 | | | | | | | | |
| | S Caruso | 6 | 6 | | | | | | 7 | F Delbonis | 5 | 5 | | | | |
| | P Lorenzi | 3 | 4 | | | | | | 2 | C Ruud | 7 | 7 | | | | |
| WC | A Tabilo | 6 | 6 | | WC | A Tabilo | 4 | 5 | | | | | | | | |
| | | | | | 2 | C Ruud | 6 | 7 | | | | | | | | |

## Qualifying
### Seeds

* Juan Pablo Varillas (qualifying competition, lucky loser)
* Martin Kližan (qualified)
* Filip Horanský (qualified)
* Carlos Taberner (qualified)
* Andrea Collarini (qualifying competition)
* Renzo Olivo (qualified)
* Pedro Sakamoto (qualifying competition)
* Orlando Luz (qualifying competition)

### Qualifiers

* Renzo Olivo
* Martin Kližan
* Filip Horanský
* Carlos Taberner

### Lucky loser

* Juan Pablo Varillas

### Qualifying draw
#### First qualifier

| First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 1 | Juan Pablo Varillas | 6 | 6 | | | | |
| WC | Matías Gaedechens | 1 | 0 | | | | |
| WC | Matías Gaedechens | 1 | 0 | 1 | Juan Pablo Varillas | 6$^5$ | 5 |
| | | | | 6 | Renzo Olivo | 7$^7$ | 7 |
| Alt | Víctor Núñez | 0 | 6$^3$ | 6 | Renzo Olivo | 7$^7$ | 7 |
| 6 | Renzo Olivo | 6 | 7$^7$ | | | | |

#### Second qualifier

| First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 2 | Martin Kližan | 6 | 6 | | | | |
| | Vadym Ursu | 0 | 0 | | | | |
| | Vadym Ursu | 0 | 0 | 2 | Martin Kližan | 6 | 6 |
| | | | | 8 | Orlando Luz | 4 | 1 |
| | Gonzalo Escobar | 2 | 4 | 8 | Orlando Luz | 4 | 1 |
| 8 | Orlando Luz | 6 | 6 | | | | |

#### Third qualifier

| First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 3 | Filip Horanský | 7$^7$ | 7 | | | | | |
| WC | Gonzalo Lama | 6$^3$ | 5 | | | | | |
| WC | Gonzalo Lama | 6$^3$ | 5 | 3 | Filip Horanský | 7$^7$ | 6$^1$ | 6 |
| | | | | 7 | Pedro Sakamoto | 6$^4$ | 7$^7$ | 4 |
| Alt | Fernando Romboli | 1 | 2 | 7 | Pedro Sakamoto | 6$^4$ | 7$^7$ | 4 |
| 7 | Pedro Sakamoto | 6 | 6 | | | | | |

#### Fourth qualifier

| First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 4 | Carlos Taberner | 6 | 6 | | | | |
| Alt | Andrés Molteni | 3 | 2 | | | | |
| Alt | Andrés Molteni | 3 | 2 | 4 | Carlos Taberner | 6 | 6 |
| | | | | 5 | Andrea Collarini | 2 | 1 |
| | Martín Cuevas | 2 | 6$^4$ | 5 | Andrea Collarini | 2 | 1 |
| 5 | Andrea Collarini | 6 | 7$^7$ | | | | |