The 2021 Open de Oeiras was a professional tennis tournament played on clay courts. It was the first edition of the tournament which was part of the 2021 ATP Challenger Tour. It took place in Oeiras, Portugal between 29 March and 3 April 2021.
| 2021 Open de Oeiras | |
|---|---|
| Date | 29 March – 3 April |
| Edition | 1st |
| Surface | Clay |
| Location | Oeiras, Portugal |
Singles main draw entrants
Seeds
| Country | Player | Rank1 | Seed |
|---|---|---|---|
 GER
|
Oscar Otte | 154 | 1 |
 FRA
|
Enzo Couacaud | 185 | 2 |
 IND |
|||
 USA
|
Ernesto Escobedo | 205 | 4 |
 ARG
|
Andrea Collarini | 215 | 5 |
 MAR
|
Elliot Benchetrit | 240 | 6 |
 ITA
|
Gian Marco Moroni | 241 | 7 |
 CZE
|
Zdeněk Kolář | 246 | 8 |
- 1 Rankings are as of 22 March 2021.[1]
Other Entrants
The following players received wildcards into the singles main draw:
Nuno Borges- Tiago Cação
- Gastão Elias
The following player received entry into the singles main draw as an alternate:
The following players received entry from the qualifying draw:
Raúl Brancaccio
Evan Furness- Manuel Guinard
Denis Yevseyev
The following players received entry as lucky losers:
- Francisco Cabral
- Luís Faria
Champions
Singles
vs.
Doubles
- / vs.
Mats Moraing / Oscar Otte
References
- ^ "Rankings - Singles - ATP Tour - Tennis". ATP Tour.