| Doubles | |
|---|---|
| 2016 Open du Pays d'Aix | |
| Champion |  Oliver Marach Philipp Oswald |
| Runner-up |  Guillermo Durán Máximo González |
| Final score | 6–1, 4–6, [10–7] |
Robin Haase and Aisam-ul-Haq Qureshi were the defending champions but chose not to participate.
Oliver Marach and Philipp Oswald won the title, defeating Guillermo Durán and Máximo González 6–1, 4–6, [10–7] in the final.
Guillermo Durán / Máximo González (final)
Wesley Koolhof / Matwé Middelkoop (first round) Oliver Marach / Philipp Oswald (champions)
Gero Kretschmer / 
Michael Venus (semifinals)| First round | Quarterfinals | Semifinals | Final | ||||||||||||||||||||||||
| 1 | G Durán M González | 6 | 6 | ||||||||||||||||||||||||
 N Monroe M Zverev | 2 | 2 | 1 | G Durán M González | 7 | 77 | |||||||||||||||||||||
 M Fyrstenberg  L Rosol | 5 | 63 |  J Brunström A Siljeström | 5 | 64 | ||||||||||||||||||||||
| J Brunström A Siljeström | 7 | 77 | 1 | G Durán M González | 6 | 6 | |||||||||||||||||||||
| 4 | G Kretschmer M Venus | 77 | 2 | [10] | 4 | G Kretschmer M Venus | 3 | 4 | |||||||||||||||||||
| C Berlocq E Ymer | 61 | 6 | [3] | 4 | G Kretschmer M Venus | 3 | 6 | [10] | |||||||||||||||||||
| M Daniell A Sitak | 6 | 77 | M Daniell A Sitak | 6 | 1 | [6] | |||||||||||||||||||||
 R Dutra Silva  A González | 1 | 60 | 1 | G Durán M González | 1 | 6 | [7] | ||||||||||||||||||||
| PR |  R Maytín J Souza | 2 | 0 | 3 | O Marach P Oswald | 6 | 4 | [10] | |||||||||||||||||||
| WC |  J Benneteau É Roger-Vasselin | 6 | 6 | WC | J Benneteau É Roger-Vasselin | 64 | 4 | ||||||||||||||||||||
| WC | J Eysseric D Guez | 0 | 3 | 3 | O Marach P Oswald | 77 | 6 | ||||||||||||||||||||
| 3 | O Marach P Oswald | 6 | 6 | 3 | O Marach P Oswald | 6 | 77 | ||||||||||||||||||||
| PR | T Lamasine A Olivetti | 3 | 61 |  N Mektić A Šančić | 3 | 64 | |||||||||||||||||||||
 J Marray  A Shamasdin | 6 | 77 | J Marray A Shamasdin | 2 | 5 | ||||||||||||||||||||||
| N Mektić A Šančić | 6 | 6 | N Mektić A Šančić | 6 | 7 | ||||||||||||||||||||||
| 2 | W Koolhof M Middelkoop | 4 | 1 | ||||||||||||||||||||||||
Łukasz Kubot and Oliver Marach were the defending champions; however, they lost to Santiago González and Máximo González in the quarterfinals.
Victor Hănescu and Horia Tecău won the final against Marcelo Melo and Bruno Soares 6–1, 6–3.
Johan Brunström and Raven Klaasen were the defending champions but decided not to participate.
Andreas Siljeström and Igor Zelenay were the defending champions, but Siljeström played alongside Frank Moser and lost to Marcel Granollers and Pere Riba in the first round, while Zelenay teamed with Mateusz Kowalczyk and also lost in the first round to Julian Knowle and Philipp Oswald.
Andre Begemann and Robin Haase were the defending champions, but Begemann chose not to participate this year. Haase played alongside Mikhail Youzhny, but lost in the first round to Oliver Marach and Aisam-ul-Haq Qureshi.
Aliaksandr Bury and Denis Istomin won the title, defeating Marach and Qureshi in the final, 3–6, 6–2, [10–5].
Martin Kližan and Philipp Oswald were the defending champions, but Kližan chose not to participate this year. Oswald played alongside Guillermo Durán, but lost in the first round to Rogério Dutra Silva and João Souza.
Juan Sebastián Cabal and Robert Farah won the title, defeating Pablo Carreño Busta and David Marrero in the final, 7–6(7–5), 6–1.
Rameez Junaid and Adil Shamasdin were the defending champions, but chose not to compete this year.
Guillermo Durán and Máximo González won the title, defeating Marin Draganja and Aisam-ul-Haq Qureshi in the final, 6–2, 3–6, [10–6].
The 2016 Open du Pays d'Aix was a professional tennis tournament played on clay courts. It was the third edition of the tournament which was part of the 2016 ATP Challenger Tour. It took place in Aix-en-Provence, France between 2 and 8 May 2016.
Thiemo de Bakker and Robin Haase were the defending champions but only de Bakker chose to participate, partnering Matwé Middelkoop. de Bakker failed to defend his title, losing in the quarterfinals to Guillermo Durán and Máximo González.
Pablo Carreño Busta and Guillermo Durán were the defending champions, but Carreño Busta decided not to participate this year. Durán played alongside Andrés Molteni, but lost in the quarterfinals to Víctor Estrella Burgos and Renzo Olivo.
Julio Peralta and Horacio Zeballos were the defending champions, but chose to compete in Hamburg instead.
Marcin Matkowski and Aisam-ul-Haq Qureshi were the defending champions, but lost in the quarterfinals to Raven Klaasen and Michael Venus.
James Cerretani and Philipp Oswald were the defending champions, but Cerretani chose to compete in Sofia instead. Oswald played alongside Treat Huey, but lost in the first round to Alessandro Motti and Stefano Travaglia.
Jean-Julien Rojer and Horia Tecău were the defending champions, but Tecău could not participate due to injury and Rojer chose to compete in Lyon instead.
Oliver Marach and Philipp Oswald were the defending champions, but they chose to compete alongside different partners in Hamburg instead.
Robin Haase and Matwé Middelkoop were the defending champions, but Middelkoop chose to compete in Båstad instead.
Roman Jebavý and Andrés Molteni were the defending champions, but chose not to participate together. Jebavý played alongside Matwé Middelkoop but lost in the semifinals to Philipp Oswald and Filip Polášek. Molteni partnered Leonardo Mayer but lost in the first round to Oliver Marach and Jürgen Melzer.
Oliver Marach and Mate Pavić were the two-time defending champions from when the event was last held in 2019 but lost in the first round to Tomislav Brkić and Nikola Ćaćić.
This was the first edition of the tournament, primarily created due to the one-week delay of the 2021 French Open.
This was the first edition of the tournament.
Jamie Murray and Neal Skupski were the defending champions, but chose to compete in San Diego with different partners instead.