Oeiras 4 CH 2021 ATP
Final
| Winner | Loser | Score | |
|---|---|---|---|
| Gastao Elias | d. | Holger Rune | 5-7 6-4 6-4 |
Semifinals
| Winner | Loser | Score | |
|---|---|---|---|
| Holger Rune | d. | Timofey Skatov | 6-2 3-6 6-2 |
| Gastao Elias | d. | Nuno Borges | 4-6 7-5 0-0 RET |
Quarterfinals
| Winner | Loser | Score | |
|---|---|---|---|
| Timofey Skatov | d. | Nikolas Sanchez Izquierdo | 7-6(4) 5-7 6-1 |
| Holger Rune | d. | Carlos Gimeno Valero | 6-2 6-4 |
| Nuno Borges | d. | Filip Cristian Jianu | 6-4 6-4 |
| Gastao Elias | d. | Camilo Ugo Carabelli | 6-7(0) 6-3 6-0 |
Round of 16
| Winner | Loser | Score | |
|---|---|---|---|
| Nikolas Sanchez Izquierdo | d. | Tung Lin Wu | 6-2 7-6(2) |
| Timofey Skatov | d. | Goncalo Oliveira | 6-3 6-1 |
| Holger Rune | d. | Julian Lenz | 5-7 6-4 6-3 |
| Carlos Gimeno Valero | d. | Viktor Galovic | 6-4 6-2 |
| Nuno Borges | d. | Denis Yevseyev | 6-7(2) 6-4 6-2 |
| Filip Cristian Jianu | d. | Chun Hsin Tseng | 6-3 3-6 6-1 |
| Camilo Ugo Carabelli | d. | Riccardo Bonadio | 4-6 7-5 6-4 |
| Gastao Elias | d. | Pedro Araujo | 7-5 6-0 |
Round of 32
| Winner | Loser | Score | |
|---|---|---|---|
| Tung Lin Wu | d. | Tiago Cacao | 6-1 6-1 |
| Nikolas Sanchez Izquierdo | d. | Geoffrey Blancaneaux | 6-3 6-2 |
| Timofey Skatov | d. | Igor Sijsling | 2-6 6-2 7-6(4) |
| Goncalo Oliveira | d. | Pedro Cachin | 6-4 5-7 7-6(1) |
| Julian Lenz | d. | Corentin Denolly | 6-4 6-0 |
| Holger Rune | d. | Tim Van Rijthoven | 6-3 6-4 |
| Viktor Galovic | d. | Duje Ajdukovic | 4-6 7-6(4) 6-1 |
| Carlos Gimeno Valero | d. | Vitaliy Sachko | 6-2 6-1 |
| Nuno Borges | d. | Roberto Quiroz | 6-3 6-0 |
| Denis Yevseyev | d. | Nino Serdarusic | 6-4 7-5 |
| Filip Cristian Jianu | d. | Johannes Haerteis | 6-3 6-0 |
| Chun Hsin Tseng | d. | Roberto Ortega Olmedo | 6-4 6-2 |
| Riccardo Bonadio | d. | Jonas Forejtek | 7-6(4) 3-6 6-0 |
| Camilo Ugo Carabelli | d. | Jesper De Jong | 6-4 6-2 |
| Gastao Elias | d. | Luis Faria | 6-2 6-3 |
| Pedro Araujo | d. | Mathias Bourgue | 6-2 6-2 |
Qualifying round 2
| Winner | Loser | Score | |
|---|---|---|---|
| Timofey Skatov | d. | Michael Geerts | 7-6(6) 6-7(2) 6-2 |
| Filip Cristian Jianu | d. | Federico Zeballos | 6-4 7-5 |
| Nikolas Sanchez Izquierdo | d. | Lucas Catarina | 6-4 6-2 |
| Denis Yevseyev | d. | Maxime Hamou | 6-4 6-1 |
Qualifying round 1
| Winner | Loser | Score | |
|---|---|---|---|
| Michael Geerts | d. | Fabio Coelho | 7-5 6-4 |
| Timofey Skatov | d. | Nicolas Alvarez | 6-3 6-2 |
| Federico Zeballos | d. | Vladyslav Orlov | 1-6 6-0 7-6(2) |
| Filip Cristian Jianu | d. | Francisco Cabral | 6-7(5) 6-4 6-2 |
| Nikolas Sanchez Izquierdo | d. | Miguel Gomes | 6-1 6-4 |
| Lucas Catarina | d. | Ronald Slobodchikov | 6-1 6-3 |
| Denis Yevseyev | d. | Evan King | 6-3 6-2 |
| Maxime Hamou | d. | Javier Barranco Cosano | 4-6 7-6(2) 7-6(2) |
Data: Jeff Sackmann / Tennis Abstract — CC BY-NC-SA 4.0