| Doubles | |
|---|---|
| 2022 Open de Oeiras | |
| Champions |  Nuno Borges Francisco Cabral |
| Runners-up |  Sanjar Fayziev  Markos Kalovelonis |
| Score | 6–3, 6–0 |
Jesper de Jong and Tim van Rijthoven were the defending champions [1] but chose not to defend their title.
Nuno Borges and Francisco Cabral won the title after defeating Sanjar Fayziev and Markos Kalovelonis 6–3, 6–0 in the final.
Zdeněk Kolář / 
Andrea Vavassori (first round) Nuno Borges / Francisco Cabral (champions) Marco Bortolotti / 
Arjun Kadhe (first round)
Victor Vlad Cornea / 
Fabian Fallert (quarterfinals)| First round | Quarterfinals | Semifinals | Final | ||||||||||||||||||||||||
| 1 | Z Kolář A Vavassori | 7 | 5 | [8] | |||||||||||||||||||||||
| WC | Fábio Coelho Gonçalo Falcão | 5 | 7 | [10] | WC | F Coelho G Falcão | 6 | 3 | [7] | ||||||||||||||||||
L Giustino  D Kuzmanov | 4 | 63 | WC | J Faria L Faria | 3 | 6 | [10] | ||||||||||||||||||||
| WC | J Faria Luís Faria | 6 | 77 | WC | J Faria L Faria | 3 | 1 | ||||||||||||||||||||
| 3 | M Bortolotti A Kadhe | 6 | 5 | [7] | S Fayziev M Kalovelonis | 6 | 6 | ||||||||||||||||||||
| S Fayziev M Kalovelonis | 4 | 7 | [10] | S Fayziev M Kalovelonis | 6 | 6 | |||||||||||||||||||||
A Giannessi  T Monteiro | 4 | 3 | F Forti G Zeppieri | 4 | 4 | ||||||||||||||||||||||
| F Forti G Zeppieri | 6 | 6 | S Fayziev M Kalovelonis | 3 | 0 | ||||||||||||||||||||||
 M Cuevas L Darderi | 4 | 6 | [10] | 2 | N Borges F Cabral | 6 | 6 | ||||||||||||||||||||
 D Popko T Skatov | 6 | 2 | [8] | M Cuevas L Darderi | 1 | 6 | [10] | ||||||||||||||||||||
| G Elias P Sousa | 4 | 6 | [7] | 4 | VV Cornea F Fallert | 6 | 3 | [7] | |||||||||||||||||||
| 4 | VV Cornea F Fallert | 6 | 4 | [10] | M Cuevas L Darderi | 3 | 2 | ||||||||||||||||||||
| V Kopřiva A Pavlásek | 6 | 6 | 2 | N Borges F Cabral | 6 | 6 | |||||||||||||||||||||
 DN Mădăraș  D Michalski | 3 | 1 | V Kopřiva A Pavlásek | 3 | 3 | ||||||||||||||||||||||
| Alt |  E Kırkın  A Rybakov | 3 | 5 | 2 | N Borges F Cabral | 6 | 6 | ||||||||||||||||||||
| 2 | N Borges F Cabral | 6 | 7 | ||||||||||||||||||||||||
This was the second of four editions of the tournament in the 2021 ATP Challenger Tour calendar.
Nuno Borges and Francisco Cabral were the defending champions but lost in the semifinals to Hunter Reese and Sem Verbeek.
Tomislav Brkić and Ante Pavić were the defending champions but chose not to defend their title.
Gerard Granollers and Fabrício Neis were the defending champions but chose not to defend their title.
Szymon Walków and Tristan-Samuel Weissborn were the defending champions but chose not to defend their title.
This was the first edition of the tournament.
Zdeněk Kolář and Andrea Vavassori were the defending champions but chose not to defend their title.
Nuno Borges and Francisco Cabral were the defending champions and successfully defended their title, defeating Piotr Matuszewski and David Pichler 6–4, 7–5 in the final.
Nuno Borges and Francisco Cabral were the defending champions and successfully defended their title, defeating Zdeněk Kolář and Adam Pavlásek 6–4, 6–0 in the final.
Nuno Borges and Francisco Cabral defeated Máximo González and André Göransson in the final, 6–2, 6–3 to win the doubles tennis title at the 2022 Estoril Open. Borges and Cabral had entered the tournament through a wildcard.
The men's doubles of the 2022 I.ČLTK Prague Open tournament took place on clay in Prague, Czech Republic.
Santiago González and Aisam-ul-Haq Qureshi were the defending champions but chose not to defend their title.
Nuno Borges and Francisco Cabral were the two-time defending champions but only Cabral chose to defend his title, partnering João Domingues. Cabral lost in the quarterfinals to Sadio Doumbia and Fabien Reboul.
Guido Andreozzi and Guillermo Durán were the defending champions but chose not to defend their title.
Nuno Borges and Francisco Cabral were the defending champions but chose not to defend their title.
Nuno Borges and Francisco Cabral were the defending champions but lost in the final to Julian Cash and Henry Patten.
Nuno Borges and Francisco Cabral were the defending champions but chose not to defend their title.
Sander Gillé and Joran Vliegen defeated Nikola Ćaćić and Miomir Kecmanović in the final, 6–3, 6–4 to win the doubles tennis title at the 2023 Estoril Open. It was their seventh title together as a team and their second of the season.
Nuno Borges and Francisco Cabral were the defending champions but chose not to defend their title.
Julian Cash and Henry Patten were the defending champions but chose not to defend their title.