| Doubles | |
|---|---|
| 2019 Open BNP Paribas Banque de Bretagne | |
| Champions |  Fabrice Martin Hugo Nys |
| Runners-up |  David Pel  Antonio Šančić |
| Final score | 6–4, 6–2 |
Ken and Neal Skupski were the defending champions but chose not to defend their title.
Fabrice Martin and Hugo Nys won the title after defeating David Pel and Antonio Šančić 6–4, 6–2 in the final.
Hsieh Cheng-peng / 
Christopher Rungkat (first round) Fabrice Martin / Hugo Nys (champions) Sander Arends / 
Tristan-Samuel Weissborn (semifinals)
Andre Begemann / 
Rameez Junaid (first round)| First round | Quarterfinals | Semifinals | Final | ||||||||||||||||||||||||
| 1 | C-p Hsieh C Rungkat | 64 | 63 | ||||||||||||||||||||||||
| D Pel A Šančić | 77 | 77 | D Pel A Šančić | 7 | 6 | ||||||||||||||||||||||
 F Baldi  L Margaroli | 6 | 6 | F Baldi L Margaroli | 5 | 4 | ||||||||||||||||||||||
| ITF | G Jacq Hugo Voljacques | 1 | 4 | D Pel A Šančić | 77 | 63 | [10] | ||||||||||||||||||||
| 4 | A Begemann R Junaid | 65 | 4 |  H Hurkacz S Walków | 61 | 77 | [4] | ||||||||||||||||||||
| H Hurkacz S Walków | 77 | 6 | H Hurkacz S Walków | 6 | 6 | ||||||||||||||||||||||
 A Menéndez Maceiras  S Stakhovsky | 65 | 6 | [10] | A Menéndez Maceiras S Stakhovsky | 2 | 3 | |||||||||||||||||||||
| J Eysseric Q Halys | 77 | 3 | [6] | D Pel A Šančić | 4 | 2 | |||||||||||||||||||||
| WC | E Benchetrit G Blancaneaux | 6 | 6 | 2 | F Martin H Nys | 6 | 6 | ||||||||||||||||||||
 S Clayton  A Shamasdin | 3 | 4 | WC | E Benchetrit G Blancaneaux | 2 | 6 | [2] | ||||||||||||||||||||
| ITF | J Barranco Cosano R Brancaccio | 2 | 6 | [5] | 3 | S Arends T-S Weissborn | 6 | 3 | [10] | ||||||||||||||||||
| 3 | S Arends T-S Weissborn | 6 | 4 | [10] | 3 | S Arends T-S Weissborn | 3 | 4 | |||||||||||||||||||
| WC | Antoine Cornut Chauvinc H Gaston | 4 | 2 | 2 | F Martin H Nys | 6 | 6 | ||||||||||||||||||||
 F Neis D Vega Hernández | 6 | 6 | F Neis D Vega Hernández | 67 | 4 | ||||||||||||||||||||||
| WC | E Furness M Guinard | 5 | 3 | 2 | F Martin H Nys | 79 | 6 | ||||||||||||||||||||
| 2 | F Martin H Nys | 7 | 6 | ||||||||||||||||||||||||
Fabrice Martin and Hugo Nys won the title over Henri Kontinen and Adrián Menéndez-Maceiras 3–6, 6–3, [10–8].
Quentin Halys and Tristan Lamasine were the defending champions but chose not to defend their title.
Alexander and Mischa Zverev were the defending champions, but Alexander chose not to participate this year. Mischa played alongside Karen Khachanov, but lost in the first round to Ben McLachlan and Hugo Nys.
Marcelo Arévalo and Miguel Ángel Reyes-Varela were the defending champions but only Arévalo chose to defend his title, partnering Roberto Maytín. Arévalo lost in the first round to Luis David Martínez and David Pérez Sanz.
Hugo Nys and Tim Pütz were the defending champions but only Nys chose to defend his title, partnering Elliot Benchetrit. Nys lost in the first round to Salvatore Caruso and Kenny de Schepper.
Jonathan Erlich and Divij Sharan were the defending champions but chose not to defend their title.
Sander Gillé and Joran Vliegen were the defending champions but chose not to defend their title.
Hugo Nys and Tim Pütz were the defending champions but only Nys chose to defend his title, partnering Romain Arneodo. Nys successfully defended his title.
Sander Arends and Tristan-Samuel Weissborn were the defending champions but lost in the semifinals to Jonathan Eysseric and Antonio Šančić.
Fabrice Martin and Hugo Nys were the defending champions but chose not to defend their title.
Máximo González and Nicolás Jarry were the defending champions, but Jarry could not compete due to a provisional suspension. González played alongside Fabrice Martin but lost in the quarterfinals to Marcel Granollers and Horacio Zeballos.
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.
Ivan Dodig and Édouard Roger-Vasselin were the defending champions from when the tournament was last held in 2019, but Dodig decided not to participate this year. Roger-Vasselin played alongside Henri Kontinen but lost in the quarterfinals to Matthew Ebden and John-Patrick Smith.
This was the first edition of the tournament, primarily created due to the one-week delay of the 2021 French Open.
Nicolas Mahut and Pierre-Hugues Herbert defeated Alexander Bublik and Andrey Golubev in the final, 4–6, 7–6(7–1), 6–4, to win the men's doubles title at the 2021 French Open. It was their second French Open title and fifth major title together. They saved match points in their semifinal match against Juan Sebastián Cabal and Robert Farah. Bublik and Golubev became the first male Kazakhstani players to reach a major final.
Neal Skupski and Desirae Krawczyk defeated Joe Salisbury and Harriet Dart in the final, 6–2, 7–6(7–1), to win the mixed doubles title at the 2021 Wimbledon Championships. It was Krawczyk's second consecutive major title in mixed doubles, following her success at the French Open.
Jürgen Melzer and Édouard Roger-Vasselin were the defending champions, but Roger-Vasselin chose not to participate and Melzer chose to compete in Vienna instead.
Ivan Dodig and Austin Krajicek defeated Máximo González and Marcelo Melo in the final, 6–3, 6–4 to win the doubles tennis title at the 2022 ATP Lyon Open.
Ena Shibahara and Wesley Koolhof defeated Ulrikke Eikeri and Joran Vliegen in the final, 7–6(7–5), 6–2 to win the mixed doubles tennis title at the 2022 French Open.
Santiago González and Aisam-ul-Haq Qureshi were the defending champions but chose not to defend their title.