Santiago 1 CH 2021 ATP
Final
| Winner | Loser | Score | |
|---|---|---|---|
| Juan Pablo Varillas | d. | Sebastian Baez | 6-4 7-5 |
Semifinals
| Winner | Loser | Score | |
|---|---|---|---|
| Juan Pablo Varillas | d. | Francisco Cerundolo | 6-3 6-7(8) 6-3 |
| Sebastian Baez | d. | Nicolas Jarry | 6-4 6-4 |
Quarterfinals
| Winner | Loser | Score | |
|---|---|---|---|
| Francisco Cerundolo | d. | Gonzalo Lama | 7-6(6) 6-4 |
| Juan Pablo Varillas | d. | Gerald Melzer | 6-1 6-3 |
| Nicolas Jarry | d. | Hugo Dellien | 7-6(4) 6-4 |
| Sebastian Baez | d. | Facundo Mena | 6-3 6-1 |
Round of 16
| Winner | Loser | Score | |
|---|---|---|---|
| Francisco Cerundolo | d. | Alexis Gautier | 6-4 6-2 |
| Gonzalo Lama | d. | Goncalo Oliveira | 6-4 3-6 7-5 |
| Juan Pablo Varillas | d. | Julian Lenz | 6-2 6-4 |
| Gerald Melzer | d. | Thiago Agustin Tirante | 6-4 6-2 |
| Nicolas Jarry | d. | Facundo Diaz Acosta | 6-7(4) 7-5 6-4 |
| Hugo Dellien | d. | Camilo Ugo Carabelli | 6-2 4-6 6-2 |
| Sebastian Baez | d. | Nick Chappell | 5-7 6-4 6-1 |
| Facundo Mena | d. | Nicolas Kicker | 6-4 6-4 |
Round of 32
| Winner | Loser | Score | |
|---|---|---|---|
| Francisco Cerundolo | d. | Cristian Rodriguez | 6-3 3-6 6-2 |
| Alexis Gautier | d. | Matheus Pucinelli De Almeida | 4-6 6-1 6-3 |
| Goncalo Oliveira | d. | Oliver Crawford | 6-4 6-2 |
| Gonzalo Lama | d. | Felipe Meligeni Alves | 4-6 6-3 6-4 |
| Juan Pablo Varillas | d. | Hernan Casanova | 7-6(8) 7-6(7) |
| Julian Lenz | d. | Victor Nunez | 6-0 6-2 |
| Gerald Melzer | d. | Guido Andreozzi | 6-2 6-4 |
| Thiago Agustin Tirante | d. | Juan Ignacio Londero | 6-2 6-3 |
| Facundo Diaz Acosta | d. | Tomas Barrios Vera | 6-3 5-7 6-1 |
| Nicolas Jarry | d. | Juan Pablo Ficovich | 6-4 6-4 |
| Camilo Ugo Carabelli | d. | Nicolas Alvarez | 7-5 6-1 |
| Hugo Dellien | d. | Lucas Catarina | 4-6 6-3 6-3 |
| Sebastian Baez | d. | Dalibor Svrcina | 6-2 7-5 |
| Nick Chappell | d. | Diego Fernandez Flores | 6-3 3-6 7-5 |
| Facundo Mena | d. | Roberto Cid | 6-4 6-7(2) 7-5 |
| Nicolas Kicker | d. | Juan Manuel Cerundolo | 6-0 6-1 |
Qualifying round 2
| Winner | Loser | Score | |
|---|---|---|---|
| Oliver Crawford | d. | Jonathan Mridha | 7-5 6-3 |
| Nicolas Alvarez | d. | Carlos Gomez Herrera | 6-3 1-6 6-4 |
| Facundo Diaz Acosta | d. | Cristian Rodriguez | 6-2 6-2 |
| Alexis Gautier | d. | Mathieu Perchicot | 6-2 6-7(0) 6-0 |
Qualifying round 1
| Winner | Loser | Score | |
|---|---|---|---|
| Jonathan Mridha | d. | Evan King | 6-3 3-6 6-0 |
| Oliver Crawford | d. | Daniel Antonio Nunez | 7-5 6-2 |
| Carlos Gomez Herrera | d. | Gilbert Soares Klier Junior | 3-6 6-2 6-3 |
| Nicolas Alvarez | d. | Matias Soto | 7-6(2) 6-1 |
| Facundo Diaz Acosta | d. | Diego Hidalgo | 6-3 7-6(2) |
| Mathieu Perchicot | d. | Nicolas Bruna | 6-0 6-2 |
| Alexis Gautier | d. | Rafael Matos | 6-3 6-2 |