Oeiras 1 CH 2021 ATP
Final
| Winner | Loser | Score | |
|---|---|---|---|
| Zdenek Kolar | d. | Gastao Elias | 6-4 7-5 |
Semifinals
| Winner | Loser | Score | |
|---|---|---|---|
| Gastao Elias | d. | Evan Furness | 6-3 7-5 |
| Zdenek Kolar | d. | Marco Trungelliti | 6-3 6-2 |
Quarterfinals
| Winner | Loser | Score | |
|---|---|---|---|
| Evan Furness | d. | Raul Brancaccio | 6-1 1-6 6-4 |
| Gastao Elias | d. | Alex Molcan | 6-2 7-5 |
| Zdenek Kolar | d. | Tiago Cacao | 6-3 6-2 |
| Marco Trungelliti | d. | Igor Sijsling | 6-3 6-4 |
Round of 16
| Winner | Loser | Score | |
|---|---|---|---|
| Evan Furness | d. | Riccardo Bonadio | 4-6 6-3 6-4 |
| Raul Brancaccio | d. | Nicola Kuhn | 6-1 6-2 |
| Gastao Elias | d. | Roberto Ortega Olmedo | 3-6 6-1 6-3 |
| Alex Molcan | d. | Nino Serdarusic | 6-4 6-2 |
| Zdenek Kolar | d. | Lucas Miedler | 6-1 6-1 |
| Tiago Cacao | d. | Mats Moraing | 4-6 6-2 7-5 |
| Igor Sijsling | d. | Gian Marco Moroni | 6-2 6-2 |
| Marco Trungelliti | d. | Goncalo Oliveira | 6-1 6-3 |
Round of 32
| Winner | Loser | Score | |
|---|---|---|---|
| Evan Furness | d. | Enzo Couacaud | 6-4 3-6 7-6(4) |
| Riccardo Bonadio | d. | Kaichi Uchida | 3-6 6-4 7-6(3) |
| Nicola Kuhn | d. | Teymuraz Gabashvili | 6-3 6-3 |
| Raul Brancaccio | d. | Elliot Benchetrit | 6-3 6-1 |
| Roberto Ortega Olmedo | d. | Ernesto Escobedo | 7-5 6-4 |
| Gastao Elias | d. | Chun Hsin Tseng | 6-3 2-6 6-4 |
| Nino Serdarusic | d. | Luis Faria | 6-3 6-3 |
| Alex Molcan | d. | Andrea Collarini | 3-6 6-3 7-5 |
| Zdenek Kolar | d. | Nuno Borges | 2-6 7-6(6) 6-1 |
| Lucas Miedler | d. | Harry Bourchier | 7-5 6-4 |
| Tiago Cacao | d. | Duck Hee Lee | 6-3 6-4 |
| Mats Moraing | d. | Francisco Cabral | 6-2 6-7(5) 6-2 |
| Gian Marco Moroni | d. | Alexey Vatutin | 6-4 6-3 |
| Igor Sijsling | d. | Manuel Guinard | 6-1 7-5 |
| Goncalo Oliveira | d. | Denis Yevseyev | 6-1 6-2 |
| Marco Trungelliti | d. | Oscar Otte | 6-3 6-4 |
Qualifying round 2
| Winner | Loser | Score | |
|---|---|---|---|
| Raul Brancaccio | d. | Tiago Torres | 6-1 6-0 |
| Evan Furness | d. | Francisco Cabral | 6-3 6-4 |
| Manuel Guinard | d. | Luis Faria | 6-3 0-6 7-6(5) |
| Denis Yevseyev | d. | Pedro Araujo | 6-2 6-2 |
Qualifying round 1
| Winner | Loser | Score | |
|---|---|---|---|
| Tiago Torres | d. | Nicholas David Ionel | 1-6 6-4 6-2 |
| Francisco Cabral | d. | Ivan Nedelko | 6-2 5-7 6-4 |
| Evan Furness | d. | Miguel Gomes | 6-3 6-1 |
| Luis Faria | d. | Vladyslav Orlov | 4-6 6-1 7-6(7) |
| Manuel Guinard | d. | Simon Beaupain | 6-1 6-1 |
| Denis Yevseyev | d. | Sergio Martos Gornes | 6-3 6-3 |
| Pedro Araujo | d. | Pavel Kotov | 5-7 7-5 7-5 |
Data: Jeff Sackmann / Tennis Abstract — CC BY-NC-SA 4.0