2021 Estoril Open – Doubles

{{Infobox tennis tournament event|2021|Estoril Open|s

| champ = {{flagicon|MON}} Hugo Nys
{{flagicon|GER}} Tim Pütz

| runner = {{flagicon|GBR}} Luke Bambridge
{{flagicon|GBR}} Dominic Inglot

| score = 7–5, 3–6, [10–3]

| edition =

| type = singles doubles

| before_year = 2019

}}

Hugo Nys and Tim Pütz defeated Luke Bambridge and Dominic Inglot in the final, 7–5, 3–6, [10–3], to win the doubles tennis title at the 2021 Estoril Open. It was Nys and Pütz's first title as a team in their second tournament together on the ATP Tour, marking Nys's second and Pütz's third individual career tour-level doubles titles. Bambridge and Inglot were in contention for their first title as a team after reaching their first tour-level final without dropping a set.{{Cite web |date=2 May 2021 |title=Nys/Puetz Collect First ATP Tour Team Title In Estoril |url=https://www.atptour.com/en/news/nys-puetz-estoril-2021-doubles-final |url-status=live |archive-url=https://web.archive.org/web/20220423142410/https://www.atptour.com/en/news/nys-puetz-estoril-2021-doubles-final |archive-date=23 April 2022 |access-date=29 April 2022 |publisher=Association of Tennis Professionals}}

Jérémy Chardy and Fabrice Martin were the defending champions from when the tournament was last held in 2019,{{Cite web |date=5 May 2019 |title=Chardy/Martin Overcome Brits In Estoril |url=https://www.atptour.com/en/news/chardy-martin-estoril-2019-doubles-final |url-status=live |archive-url=https://web.archive.org/web/20210428023154/https://www.atptour.com/en/news/chardy-martin-estoril-2019-doubles-final |archive-date=28 April 2021 |access-date=29 April 2022 |publisher=Association of Tennis Professionals}} but Chardy did not return to compete. Martin played alongside Édouard Roger-Vasselin but lost in the first round to Cristian Garín and David Vega Hernández.{{Cite web |date=27 April 2021 |title=Garin & Vega Hernandez Upset Top Seeds In Estoril |url=https://www.atptour.com/en/news/estoril-munich-2021-doubles-tuesday |url-status=live |archive-url=https://web.archive.org/web/20210428094725/https://www.atptour.com/en/news/estoril-munich-2021-doubles-tuesday |archive-date=28 April 2021 |access-date=29 April 2022 |publisher=Association of Tennis Professionals}}

Seeds

{{columns-list|colwidth=30em|

  1. {{flagicon|FRA}} Fabrice Martin / {{flagicon|FRA}} Édouard Roger-Vasselin (first round)
  2. {{flagicon|RSA}} Raven Klaasen / {{flagicon|JPN}} Ben McLachlan (semifinals)
  3. {{flagicon|USA}} Austin Krajicek / {{flagicon|AUT}} Oliver Marach (quarterfinals)
  4. {{flagicon|ESA}} Marcelo Arévalo / {{flagicon|NED}} Matwé Middelkoop (first round)

}}

Draw

{{Draw key}}

=Draw=

{{16TeamBracket|compact=y|byes=1|sets=3|seeds=y

| RD1=First round

| RD2=Quarterfinals

| RD3=Semifinals

| RD4=Final

| RD1-seed01=1

| RD1-team01={{flagicon|FRA}} F Martin
{{flagicon|FRA}} É Roger-Vasselin

| RD1-score01-1=2

| RD1-score01-2=77

| RD1-score01-3=[5]

| RD1-seed02=

| RD1-team02={{flagicon|CHI}} C Garín
{{flagicon|ESP}} D Vega Hernández

| RD1-score02-1=6

| RD1-score02-2=65

| RD1-score02-3=[10]

| RD1-seed03=

| RD1-team03={{flagicon|ARG}} A Molteni
{{flagicon|DNK}} F Nielsen

| RD1-score03-1=1

| RD1-score03-2=4

| RD1-score03-3=

| RD1-seed04=

| RD1-team04={{flagicon|URU}} A Behar
{{flagicon|ECU}} G Escobar

| RD1-score04-1=6

| RD1-score04-2=6

| RD1-score04-3=

| RD1-seed05=3

| RD1-team05={{flagicon|USA}} A Krajicek
{{flagicon|AUT}} O Marach

| RD1-score05-1=64

| RD1-score05-2=6

| RD1-score05-3=[11]

| RD1-seed06=WC

| RD1-team06={{flagicon|GBR}} C Norrie
{{flagicon|POR}} J Sousa

| RD1-score06-1=77

| RD1-score06-2=4

| RD1-score06-3=[9]

| RD1-seed07=

| RD1-team07={{flagicon|GBR}} L Bambridge
{{flagicon|GBR}} D Inglot

| RD1-score07-1=6

| RD1-score07-2=77

| RD1-score07-3=

| RD1-seed08=

| RD1-team08={{flagicon|IND}} R Bopanna
{{flagicon|KAZ}} A Bublik

| RD1-score08-1=2

| RD1-score08-2=61

| RD1-score08-3=

| RD1-seed09=

| RD1-team09={{flagicon|MON}} H Nys
{{flagicon|GER}} T Pütz

| RD1-score09-1=6

| RD1-score09-2=6

| RD1-score09-3=

| RD1-seed10=

| RD1-team10={{flagicon|GBR}} L Glasspool
{{flagicon|GBR}} J Murray

| RD1-score10-1=3

| RD1-score10-2=3

| RD1-score10-3=

| RD1-seed11=

| RD1-team11={{flagicon|BRA}} M Demoliner
{{flagicon|MEX}} S González

| RD1-score11-1=6

| RD1-score11-2=3

| RD1-score11-3=[10]

| RD1-seed12=4

| RD1-team12={{flagicon|ESA}} M Arévalo
{{flagicon|NED}} M Middelkoop

| RD1-score12-1=2

| RD1-score12-2=6

| RD1-score12-3=[5]

| RD1-seed13=WC

| RD1-team13={{flagicon|POR}} F Ferreira Silva
{{flagicon|POR}} P Sousa

| RD1-score13-1=4

| RD1-score13-2=2

| RD1-score13-3=

| RD1-seed14=

| RD1-team14={{flagicon|USA}} N Monroe
{{flagicon|USA}} F Tiafoe

| RD1-score14-1=6

| RD1-score14-2=6

| RD1-score14-3=

| RD1-seed15=

| RD1-team15={{flagicon|ITA}} S Bolelli
{{flagicon|ARG}} M González

| RD1-score15-1=2

| RD1-score15-2=3

| RD1-score15-3=

| RD1-seed16=2

| RD1-team16={{flagicon|RSA}} R Klaasen
{{flagicon|JPN}} B McLachlan

| RD1-score16-1=6

| RD1-score16-2=6

| RD1-score16-3=

| RD2-seed01=

| RD2-team01={{flagicon|CHI}} C Garín
{{flagicon|ESP}} D Vega Hernández

| RD2-score01-1=4

| RD2-score01-2=4

| RD2-score01-3=

| RD2-seed02=

| RD2-team02={{flagicon|URU}} A Behar
{{flagicon|ECU}} G Escobar

| RD2-score02-1=6

| RD2-score02-2=6

| RD2-score02-3=

| RD2-seed03=3

| RD2-team03={{flagicon|USA}} A Krajicek
{{flagicon|AUT}} O Marach

| RD2-score03-1=62

| RD2-score03-2=4

| RD2-score03-3=

| RD2-seed04=

| RD2-team04={{flagicon|GBR}} L Bambridge
{{flagicon|GBR}} D Inglot

| RD2-score04-1=77

| RD2-score04-2=6

| RD2-score04-3=

| RD2-seed05=

| RD2-team05={{flagicon|MON}} H Nys
{{flagicon|GER}} T Pütz

| RD2-score05-1=77

| RD2-score05-2=6

| RD2-score05-3=

| RD2-seed06=

| RD2-team06={{flagicon|BRA}} M Demoliner
{{flagicon|MEX}} S González

| RD2-score06-1=63

| RD2-score06-2=1

| RD2-score06-3=

| RD2-seed07=

| RD2-team07={{flagicon|USA}} N Monroe
{{flagicon|USA}} F Tiafoe

| RD2-score07-1=3

| RD2-score07-2=77

| RD2-score07-3=[6]

| RD2-seed08=2

| RD2-team08={{flagicon|RSA}} R Klaasen
{{flagicon|JPN}} B McLachlan

| RD2-score08-1=6

| RD2-score08-2=64

| RD2-score08-3=[10]

| RD3-seed01=

| RD3-team01={{flagicon|URU}} A Behar
{{flagicon|ECU}} G Escobar

| RD3-score01-1=3

| RD3-score01-2=4

| RD3-score01-3=

| RD3-seed02=

| RD3-team02={{flagicon|GBR}} L Bambridge
{{flagicon|GBR}} D Inglot

| RD3-score02-1=6

| RD3-score02-2=6

| RD3-score02-3=

| RD3-seed03=

| RD3-team03={{flagicon|MON}} H Nys
{{flagicon|GER}} T Pütz

| RD3-score03-1=3

| RD3-score03-2=6

| RD3-score03-3=[14]

| RD3-seed04=2

| RD3-team04={{flagicon|RSA}} R Klaasen
{{flagicon|JPN}} B McLachlan

| RD3-score04-1=6

| RD3-score04-2=4

| RD3-score04-3=[12]

| RD4-seed01=

| RD4-team01={{flagicon|GBR}} L Bambridge
{{flagicon|GBR}} D Inglot

| RD4-score01-1=5

| RD4-score01-2=6

| RD4-score01-3=[3]

| RD4-seed02=

| RD4-team02={{flagicon|MON}} H Nys
{{flagicon|GER}} T Pütz

| RD4-score02-1=7

| RD4-score02-2=3

| RD4-score02-3=[10]

}}

References

{{reflist}}