# 2020 Argentina Open – Singles

Casper Ruud became the first Norwegian to win an ATP title, defeating Pedro Sousa in the final, 6–1, 6–4.
Marco Cecchinato was the defending champion, but lost in the first round to Roberto Carballés Baena.

## Seeds

The top four seeds received a bye into the second round.
* Diego Schwartzman (semifinals, withdrew)
* Guido Pella (quarterfinals)
* Dušan Lajović (quarterfinals)
* Borna Ćorić (second round)
* Cristian Garín (withdrew)
* Laslo Đere (second round)
* Albert Ramos Viñolas (second round)
* Casper Ruud (champion)

## 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 |
| 1 | Diego Schwartzman | | | | | | | |
| LL | Pedro Sousa | w/o | | | | | | |
| LL | Pedro Sousa | w/o | | | LL | Pedro Sousa | 1 | 4 |
| | | | | | 8 | Casper Ruud | 6 | 6 |
| 8 | Casper Ruud | 4 | 7 | 6 | 8 | Casper Ruud | 6 | 6 |
| | Juan Ignacio Londero | 6 | 5 | 1 | | | | |

### 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 | D Schwartzman | 6 | 4 | 6 | | | | | | | | |
| | F Delbonis | 1 | 6 | 7 | | F Delbonis | 3 | 6 | 2 | | | | | | | | |
| | H Dellien | 6 | 3 | 5 | | | | | | 1 | D Schwartzman | 5 | 7$^{13}$ | 7 | | | |
| | L Sonego | 4 | 4 | | | | | | | | P Cuevas | 7 | 6$^{11}$ | 5 | | | |
| | P Cuevas | 6 | 6 | | | P Cuevas | 6 | 4 | 6 | | | | | | | | |
| WC | L Mayer | 6 | 3 | 5 | 7 | A Ramos Viñolas | 4 | 6 | 4 | | | | | | | | |
| 7 | A Ramos Viñolas | 4 | 6 | 7 | | | | | | | | | | | 1 | D Schwartzman | |
| | | | | | | | | | | | | | | | LL | P Sousa | w/o |
| | | | | | 4 | B Ćorić | 4 | 6$^6$ | | | | | | | | | |
| | J Munar | 3 | 3 | | | T Monteiro | 6 | 7$^8$ | | | | | | | | | |
| | T Monteiro | 6 | 6 | | | | | | | | T Monteiro | 6$^5$ | 4 | | | | |
| | C Moutet | 3 | 6$^4$ | | | | | | | LL | P Sousa | 7$^7$ | 6 | | | | |
| Q | J Kovalík | 6 | 7$^7$ | | Q | J Kovalík | 6$^3$ | 6$^5$ | | | | | | | | | |
| WC | F Díaz Acosta | 6 | 2 | 3 | LL | P Sousa | 7$^7$ | 7$^7$ | | | | | | | | | |
| LL | P Sousa | 4 | 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 |
| 8 | C Ruud | 6 | 6 | | | | | | | | | | | | | | | |
| | P Andújar | 2 | 3 | | 8 | C Ruud | 6 | 6 | | | | | | | | | | |
| | M Cecchinato | 4 | 6$^3$ | | | R Carballés Baena | 1 | 0 | | | | | | | | | | |
| | R Carballés Baena | 6 | 7$^7$ | | | | | | | 8 | C Ruud | 7 | 6 | | | | | |
| LL | J Domingues | 6$^0$ | 5 | | | | | | | 3 | D Lajović | 5 | 1 | | | | | |
| Q | P Martínez | 7$^7$ | 7 | | Q | P Martínez | 6$^6$ | 6$^6$ | | | | | | | | | | |
| | | | | | 3 | D Lajović | 7$^8$ | 7$^8$ | | | | | | | | | | |
| | | | | | | | | | | | | | | 8 | C Ruud | 4 | 7 | 6 |
| 6 | L Đere | 6 | 2 | 6 | | | | | | | | | | | JI Londero | 6 | 5 | 1 |
| WC | F Cerúndolo | 2 | 6 | 4 | 6 | L Đere | 7$^7$ | 2 | 1 | | | | | | | | | |
| Q | F Horanský | 4 | 6 | 2 | | JI Londero | 6$^3$ | 6 | 6 | | | | | | | | | |
| | JI Londero | 6 | 4 | 6 | | | | | | | JI Londero | 6 | 7$^7$ | | | | | |
| SE | A Martin | 4 | 1 | | | | | | | 2 | G Pella | 4 | 6$^4$ | | | | | |
| Q | F Bagnis | 6 | 6 | | Q | F Bagnis | 6$^2$ | 7$^7$ | 4 | | | | | | | | | |
| | | | | | 2 | G Pella | 7$^7$ | 6$^2$ | 6 | | | | | | | | | |

## Qualifying
### Seeds

* Alejandro Davidovich Fokina (first round)
* Salvatore Caruso (first round)
* Attila Balázs (first round)
* Federico Coria (first round)
* Federico Gaio (first round)
* Jozef Kovalík (qualified)
* Gianluca Mager (first round)
* Facundo Bagnis (qualified)

### Qualifiers

* Jozef Kovalík
* Facundo Bagnis
* Pedro Martínez
* Filip Horanský

### Lucky losers

* Pedro Sousa
* João Domingues

### Qualifying draw
#### First qualifier

| First round | First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 1 | Alejandro Davidovich Fokina | 4 | 2 | | | | | |
| WC | Hernán Casanova | 6 | 6 | | | | | |
| WC | Hernán Casanova | 6 | 6 | | WC | Hernán Casanova | 2 | 1 |
| | | | | | 6 | Jozef Kovalík | 6 | 6 |
| Alt | Mario Vilella Martínez | 6 | 0 | 4 | 6 | Jozef Kovalík | 6 | 6 |
| 6 | Jozef Kovalík | 3 | 6 | 6 | | | | |

#### Second qualifier

| First round | First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 2 | Salvatore Caruso | 4 | 5 | | | | | | |
| | Pedro Sousa | 6 | 7 | | | | | | |
| | Pedro Sousa | 6 | 7 | | | Pedro Sousa | 2 | 6 | 2 |
| | | | | | 8 | Facundo Bagnis | 6 | 2 | 6 |
| | Alessandro Giannessi | 3 | 7 | 1 | 8 | Facundo Bagnis | 6 | 2 | 6 |
| 8 | Facundo Bagnis | 6 | 5 | 6 | | | | | |

#### Third qualifier

| First round | First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 3 | Attila Balázs | 7 | 4 | 4 | | | | |
| | Pedro Martínez | 5 | 6 | 6 | | | | |
| | Pedro Martínez | 5 | 6 | 6 | | Pedro Martínez | 7 | 6 |
| | | | | | WC | Juan Manuel Cerúndolo | 5 | 0 |
| WC | Juan Manuel Cerúndolo | 3 | 6 | 6 | WC | Juan Manuel Cerúndolo | 5 | 0 |
| 7 | Gianluca Mager | 6 | 0 | 1 | | | | |

#### Fourth qualifier

| First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 4 | Federico Coria | 2 | 3 | | | | |
| Alt | João Domingues | 6 | 6 | | | | |
| Alt | João Domingues | 6 | 6 | Alt | João Domingues | 0 | 6$^5$ |
| | | | | | Filip Horanský | 6 | 7$^7$ |
| | Filip Horanský | 6 | 7 | | Filip Horanský | 6 | 7$^7$ |
| 5 | Federico Gaio | 3 | 5 | | | | |