Santiago 2021 ATP
Final
| Winner | Loser | Score | |
|---|---|---|---|
| Cristian Garin | d. | Facundo Bagnis | 6-4 6-7(3) 7-5 |
Semifinals
| Winner | Loser | Score | |
|---|---|---|---|
| Facundo Bagnis | d. | Federico Delbonis | 7-5 6-3 |
| Cristian Garin | d. | Daniel Elahi Galan | 6-4 6-3 |
Quarterfinals
| Winner | Loser | Score | |
|---|---|---|---|
| Federico Delbonis | d. | Holger Rune | 6-3 6-3 |
| Facundo Bagnis | d. | Laslo Djere | 4-6 6-3 6-3 |
| Daniel Elahi Galan | d. | Roberto Carballes Baena | 7-6(8) 6-3 |
| Cristian Garin | d. | Juan Pablo Varillas | 6-4 6-4 |
Round of 16
| Winner | Loser | Score | |
|---|---|---|---|
| Holger Rune | d. | Benoit Paire | 6-2 6-3 |
| Federico Delbonis | d. | Andrej Martin | 6-0 6-3 |
| Laslo Djere | d. | Pedro Sousa | 5-7 7-5 6-3 |
| Facundo Bagnis | d. | Frances Tiafoe | 7-6(3) 7-6(2) |
| Roberto Carballes Baena | d. | Juan Manuel Cerundolo | 6-2 6-0 |
| Daniel Elahi Galan | d. | Pablo Andujar | 6-1 7-6(7) |
| Juan Pablo Varillas | d. | Federico Coria | 6-4 7-6(2) |
| Cristian Garin | d. | Alejandro Tabilo | 6-2 6-2 |
Round of 32
| Winner | Loser | Score | |
|---|---|---|---|
| Holger Rune | d. | Sebastian Baez | 6-3 6-2 |
| Andrej Martin | d. | Francisco Cerundolo | 6-1 6-2 |
| Federico Delbonis | d. | Jaume Munar | 6-4 6-7(5) 6-4 |
| Pedro Sousa | d. | Leonardo Mayer | 6-2 6-4 |
| Facundo Bagnis | d. | Marco Cecchinato | 6-7(4) 6-2 6-3 |
| Frances Tiafoe | d. | Nicolas Jarry | 7-6(7) 6-7(7) 7-6(7) |
| Roberto Carballes Baena | d. | Salvatore Caruso | 6-4 7-6(5) |
| Juan Manuel Cerundolo | d. | Gonzalo Lama | 7-5 6-2 |
| Daniel Elahi Galan | d. | Daniel Altmaier | 7-6(2) 3-6 7-5 |
| Federico Coria | d. | Gianluca Mager | 4-6 7-6(4) 7-6(4) |
| Juan Pablo Varillas | d. | Joao Sousa | 6-4 6-1 |
| Alejandro Tabilo | d. | Jozef Kovalik | 6-1 0-6 6-4 |
Qualifying round 3
| Winner | Loser | Score | |
|---|---|---|---|
| Sebastian Baez | d. | Nicolas Kicker | 3-6 6-4 6-1 |
| Holger Rune | d. | Renzo Olivo | 4-6 6-3 6-4 |
| Juan Pablo Varillas | d. | Felipe Meligeni Alves | 6-4 6-1 |
| Alejandro Tabilo | d. | Agustin Velotti | 7-6(1) 6-1 |
Qualifying round 2
| Winner | Loser | Score | |
|---|---|---|---|
| Sebastian Baez | d. | Joao Menezes | 7-6(6) 2-6 6-2 |
| Nicolas Kicker | d. | Thomaz Bellucci | 6-0 6-4 |
| Renzo Olivo | d. | Hernan Casanova | 6-7(4) 6-2 6-3 |
| Holger Rune | d. | Emilio Gomez | 6-3 4-6 6-1 |
| Felipe Meligeni Alves | d. | Mario Vilella Martinez | 3-6 7-6(5) 7-6(3) |
| Juan Pablo Varillas | d. | Geoffrey Blancaneaux | 6-2 6-2 |
| Agustin Velotti | d. | Tomas Martin Etcheverry | 7-5 4-6 6-3 |
| Alejandro Tabilo | d. | Pedro Sakamoto | 7-6(0) 6-4 |
Qualifying round 1
| Winner | Loser | Score | |
|---|---|---|---|
| Joao Menezes | d. | Michel Vernier | 6-2 6-3 |
| Sebastian Baez | d. | Orlando Luz | 6-2 6-7(5) 6-2 |
| Thomaz Bellucci | d. | Elliot Benchetrit | 6-2 6-2 |
| Nicolas Kicker | d. | Joao Domingues | 6-4 6-2 |
| Hernan Casanova | d. | Andrea Collarini | 4-6 6-3 6-2 |
| Renzo Olivo | d. | Carlos Gomez Herrera | 2-6 6-4 6-4 |
| Holger Rune | d. | Goncalo Oliveira | 7-6(3) 2-6 6-2 |
| Emilio Gomez | d. | Facundo Mena | 6-2 6-3 |
| Mario Vilella Martinez | d. | Lukas Klein | 6-4 6-2 |
| Felipe Meligeni Alves | d. | Guilherme Clezar | 6-4 6-2 |
| Geoffrey Blancaneaux | d. | Camilo Ugo Carabelli | 3-6 6-2 6-2 |
| Juan Pablo Varillas | d. | Christian Lindell | 4-6 7-5 7-6(3) |
| Tomas Martin Etcheverry | d. | Tomas Barrios Vera | 6-4 2-6 6-4 |
| Agustin Velotti | d. | Daniel Antonio Nunez | 6-4 6-3 |
| Pedro Sakamoto | d. | Rafael Matos | 6-3 6-1 |
| Alejandro Tabilo | d. | Nicolas Alvarez | 6-4 6-3 |