Oeiras 3 CH 2021 ATP
Final
| Winner | Loser | Score | |
|---|---|---|---|
| Carlos Alcaraz | d. | Facundo Bagnis | 6-4 6-4 |
Semifinals
| Winner | Loser | Score | |
|---|---|---|---|
| Facundo Bagnis | d. | Hugo Gaston | 6-0 6-2 |
| Carlos Alcaraz | d. | Taro Daniel | 6-2 5-7 6-2 |
Quarterfinals
| Winner | Loser | Score | |
|---|---|---|---|
| Hugo Gaston | d. | Pedro Sousa | 6-3 1-6 6-2 |
| Facundo Bagnis | d. | Nuno Borges | 6-1 5-7 7-5 |
| Carlos Alcaraz | d. | Gastao Elias | 7-5 6-4 |
| Taro Daniel | d. | Hugo Dellien | 6-1 3-6 6-1 |
Round of 16
| Winner | Loser | Score | |
|---|---|---|---|
| Hugo Gaston | d. | Emilio Gomez | 6-4 6-3 |
| Pedro Sousa | d. | Botic Van De Zandschulp | 6-3 6-2 |
| Nuno Borges | d. | Pedro Martinez | 6-2 6-4 |
| Facundo Bagnis | d. | Frederico Ferreira Silva | 2-6 6-4 6-2 |
| Carlos Alcaraz | d. | Brandon Nakashima | 3-6 6-4 6-4 |
| Gastao Elias | d. | Federico Coria | 6-4 4-6 6-4 |
| Taro Daniel | d. | Leonardo Mayer | 6-3 6-4 |
| Hugo Dellien | d. | Jiri Vesely | 6-3 4-3 RET |
Round of 32
| Winner | Loser | Score | |
|---|---|---|---|
| Emilio Gomez | d. | Steve Johnson | 7-6(4) 3-6 6-3 |
| Hugo Gaston | d. | Zizou Bergs | 7-6(1) 6-1 |
| Botic Van De Zandschulp | d. | Denis Kudla | 6-4 3-6 7-5 |
| Pedro Sousa | d. | Damir Dzumhur | 3-6 7-6(4) 4-0 RET |
| Pedro Martinez | d. | Joao Domingues | 6-4 6-2 |
| Nuno Borges | d. | Bernabe Zapata Miralles | 6-4 6-4 |
| Frederico Ferreira Silva | d. | Jason Jung | 1-6 6-4 6-3 |
| Facundo Bagnis | d. | Carlos Taberner | 7-5 3-2 RET |
| Brandon Nakashima | d. | Yannick Hanfmann | 6-3 6-4 |
| Carlos Alcaraz | d. | Yasutaka Uchiyama | 6-0 6-3 |
| Gastao Elias | d. | Maxime Cressy | 7-6(3) 6-4 |
| Federico Coria | d. | Alex Molcan | 2-6 6-4 6-1 |
| Leonardo Mayer | d. | Juan Ignacio Londero | 4-6 6-1 6-4 |
| Taro Daniel | d. | Blaz Rola | 6-1 7-5 |
| Hugo Dellien | d. | Sebastian Ofner | 6-1 7-6(4) |
| Jiri Vesely | d. | Hugo Grenier | 6-4 7-6(2) |
Qualifying round 2
| Winner | Loser | Score | |
|---|---|---|---|
| Hugo Grenier | d. | Brayden Schnur | 4-6 6-4 7-6(6) |
| Alex Molcan | d. | Mikael Torpegaard | 7-6(3) 6-4 |
| Zizou Bergs | d. | Ernests Gulbis | 6-1 6-2 |
| Emilio Gomez | d. | Goncalo Oliveira | 6-2 3-6 6-4 |
Qualifying round 1
| Winner | Loser | Score | |
|---|---|---|---|
| Hugo Grenier | d. | Roberto Quiroz | 7-6(7) 7-6(6) |
| Brayden Schnur | d. | Mats Moraing | 6-4 6-4 |
| Alex Molcan | d. | Francisco Cabral | 6-1 6-1 |
| Mikael Torpegaard | d. | Luis Faria | 1-6 6-4 6-3 |
| Zizou Bergs | d. | Tiago Cacao | 7-6(5) 6-4 |
| Ernests Gulbis | d. | Daniel Gimeno Traver | 6-1 6-1 |
| Goncalo Oliveira | d. | Maxime Janvier | 6-3 6-4 |
| Emilio Gomez | d. | Alexey Vatutin | 3-6 6-2 6-4 |