| Men's doubles | |
|---|---|
| 2016 Open Castilla y León | |
| Champions |  Purav Raja Divij Sharan |
| Runners-up |  Quino Muñoz  Akira Santillan |
| Final score | 6–3, 4–6, [10–8] |
Alexander Kudryavtsev and Denys Molchanov were the defending champions but chose not to defend their title.
Purav Raja and Divij Sharan won the title after defeating Quino Muñoz and Akira Santillan 6–3, 4–6, [10–8] in the final.
Marcus Daniell / Michael Venus (quarterfinals)
Johan Brunström / Andreas Siljeström (semifinals) Purav Raja / Divij Sharan (champions)
Kenny de Schepper / Albano Olivetti (first round)| First round | Quarterfinals | Semifinals | Final | ||||||||||||||||||||||||
| 1 | M Daniell M Venus | 6 | 67 | [8] | |||||||||||||||||||||||
 V Durasovic Jaume Pla Malfeito | 4 | 2 | R Boutillier M Janvier | 3 | 79 | [10] | |||||||||||||||||||||
| R Boutillier M Janvier | 6 | 6 | R Boutillier M Janvier | ||||||||||||||||||||||||
| 4 | K de Schepper A Olivetti | 4 | 4 | WC | J Muñoz A Santillan | w/o | |||||||||||||||||||||
| WC | J Muñoz A Santillan | 6 | 6 | WC | J Muñoz A Santillan | 6 | 6 | ||||||||||||||||||||
| D Guez A Sidorenko | 1 | 7 | [10] | D Guez A Sidorenko | 3 | 3 | |||||||||||||||||||||
| WC | Jorge Hernando Ruano Ricardo Villacorta-Alonso | 6 | 5 | [6] | WC | J Muñoz A Santillan | 3 | 6 | [8] | ||||||||||||||||||
| WC | Pablo Irigaray Guarné Oscar Manciñeiras Cornella | w/o | 3 | P Raja D Sharan | 6 | 4 | [10] | ||||||||||||||||||||
 Alexandr Igoshin Javier Pulgar-García | WC | P Irigaray Guarné O Manciñeiras Cornella | 4 | 0 | |||||||||||||||||||||||
 A De Minaur R Ortega Olmedo | 3 | 67 | 3 | P Raja D Sharan | 6 | 6 | |||||||||||||||||||||
| 3 | P Raja D Sharan | 6 | 79 | 3 | P Raja D Sharan | 6 | 77 | ||||||||||||||||||||
 F Horanský  Michal Konečný | 3 | 66 | 2 | J Brunström A Siljeström | 4 | 64 | |||||||||||||||||||||
 M Chiudinelli  A Šetkić | 6 | 78 | M Chiudinelli A Šetkić | 65 | 63 | ||||||||||||||||||||||
 R Bemelmans Y Mertens | 4 | 3 | 2 | J Brunström A Siljeström | 77 | 77 | |||||||||||||||||||||
| 2 | J Brunström A Siljeström | 6 | 6 | ||||||||||||||||||||||||
Rameez Junaid and Frank Moser were the defending champions, but decided not to participate.
Treat Conrad Huey and Purav Raja were the defending champions but Huey decided not to participate.
Raja plays alongside Divij Sharan, but lost in the first round to Gao Peng and Gao Wan.
Jamie Delgado and Jonathan Marray were the defending champions of the 2012 Aegon Pro-Series but they decided not to participate together this year.
Delgado played alongside Ken Skupski, while Marray was involved in the 2012 ATP World Tour Finals.
James Cerretani and Adil Shamasdin won the final 6–4, 7–5 against Purav Raja and Divij Sharan.
Sanchai Ratiwatana and Sonchat Ratiwatana were the defending champions but decided not to participate.
Purav Raja and Divij Sharan defeated Chris Guccione and Matt Reid 6–4, 7–5 in the final, to win the title.
John Peers and John-Patrick Smith were the defending champions but decided not to participate together.
Peers played alongside Jamie Murray, Smith partnered up with Samuel Groth. Both pairs lost to Marcelo Demoliner and Franko Škugor in the first and second round, respectively.
Chris Guccione and Matt Reid defeated Purav Raja and Divij Sharan 6–3, 7–5 in the final to win the title.
The defending champions from 2011 were Michael Kohlmann and Alexander Peya, as there was no event in 2012. They chose not to participate.
Prakash Amritraj and Rajeev Ram defeated Purav Raja and Divij Sharan 7–6(7–1), 7–6(7–1) in the final to win the title.
Yuki Bhambri and Divij Sharan were the defending champions.
Bhambri decided not to participate whereas Sharan competed with Purav Raja, but they lost to Alex Bogomolov Jr. and Dudi Sela in the first round.
Peng Hsien-yin and Yang Tsung-hua defeated Jeong Suk-young and Lim Yong-kyu 6–4, 6–3 in the final to win the title.
Olivier Charroin and Martin Fischer were the defending champions, but decided not to participate.
Sanchai Ratiwatana and Sonchat Ratiwatana won the final 7–6(7–5), 6–7(3–7), [10–8] against Purav Raja and Divij Sharan
Andre Begemann and Martin Emmrich were the defending champions but decided not to participate.
Russian pairing of Mikhail Elgin and Teymuraz Gabashvili won the title over Indians Purav Raja and Divij Sharan 6–4, 6–4.
Purav Raja and Divij Sharan were the defending champions and successfully defended their title, defeating Sanchai Ratiwatana and Michael Venus in the final, 5–7, 7–6(7–3), [10–4].
Purav Raja and Divij Sharan were the defending champions, but decided not to participate together. Raja played alongside Marcelo Demoliner, while Sharan teams up with Adil Shamasdin. The two teams met in the quarterfinals, with Shamasdin and Sharan winning the match. Shamasdin and Sharan lost to Samuel Groth and Chris Guccione in the semifinals.
Groth and Guccione went on to win the title, defeating [[]] and Juan Sebastián Cabal in the final, 7–6(7–5), 6–7(3–7), [11–9].
Guillermo Durán and Horacio Zeballos were the defending champions but chose not to participate.
Ken Skupski and Neal Skupski were the defending champions but failed to defend their title, losing in the finals to Purav Raja and Divij Sharan 6–4, 7–6(7–3).
Aliaksandr Bury and Denis Istomin were the defending champions, but Bury chose to compete in Kitzbühel instead. Istomin played alongside Dominic Inglot, but lost in the quarterfinals to Purav Raja and Divij Sharan.
Gerard Granollers and Adrián Menéndez-Maceiras were the defending champions but only Menéndez-Maceiras defended his title, partnering John Paul Fruttero. Ménendez-Maceiras lost in the first round to Luca Margaroli and Hugo Nys.
Ilija Bozoljac and Igor Zelenay were the defending champions but only Zelenay chose to defend his title, partnering Denys Molchanov. Zelenay lost in the quarterfinals to Ken and Neal Skupski.
Johan Brunström and Andreas Siljeström were the defending champions but chose not to defend their title.
Purav Raja and Divij Sharan were the defending champions, but lost in the semifinals to Juan Sebastián Cabal and Treat Huey.
Purav Raja and Divij Sharan were the defending champions but only Raja chose to defend his title, partnering Fabrice Martin. Raja lost in the quarterfinals to Guillermo Durán and Máximo González.
Marcus Daniell and Aisam-ul-Haq Qureshi were the defending champions but only Qureshi chose to defend his title, partnering Divij Sharan. Qureshi lost in the quarterfinals to Alex Bolt and Lleyton Hewitt.