| Doubles | |
|---|---|
| 2015 Open Castilla y León | |
| Champions |  Alexander Kudryavtsev  Denys Molchanov |
| Runners-up |  Alexander Bury  Andreas Siljeström |
| Final score | 6–2, 6–4 |
Victor Baluda and Alexander Kudryavtsev were the defending champions, but Baluda did not participate this year. Kudryavtsev played alongside Denys Molchanov and successfully defended the title.
Sergey Betov / Michail Elgin (semifinals) Alexander Bury / Andreas Siljeström (final)
Ken Skupski / Neal Skupski (semifinals)
Sanchai Ratiwatana / Sonchat Ratiwatana (first round)| First round | Quarterfinals | Semifinals | Final | ||||||||||||||||||||||||
| 1 | S Betov M Elgin | 6 | 6 | ||||||||||||||||||||||||
| WC |  R Ortega-Olmedo Georgi Rumenov | 2 | 2 | 1 | S Betov M Elgin | 6 | 6 | ||||||||||||||||||||
E Donskoy  A Sidorenko | 4 | 3 | WC | I Arenas-Gualda E Crepaldi | 4 | 2 | |||||||||||||||||||||
| WC | Iván Arenas-Gualda Erik Crepaldi | 6 | 6 | 1 | S Betov M Elgin | 77 | 5 | [8] | |||||||||||||||||||
| 4 | Sa Ratiwatana So Ratiwatana | 4 | 4 | A Kudryavtsev D Molchanov | 64 | 7 | [10] | ||||||||||||||||||||
| A Kudryavtsev D Molchanov | 6 | 6 | A Kudryavtsev D Molchanov | 6 | 1 | [10] | |||||||||||||||||||||
 N Mektić A Šančić | 7 | 6 | N Mektić A Šančić | 4 | 7 | [7] | |||||||||||||||||||||
| WC | Francisco Blanco Paris Jorge Ruano | 5 | 2 | A Kudryavtsev D Molchanov | 6 | 6 | |||||||||||||||||||||
 M Bašić  D Wu | 65 | 6 | [14] | 2 | A Bury A Siljeström | 2 | 4 | ||||||||||||||||||||
 M Bachinger P Gojowczyk | 77 | 1 | [16] | M Bachinger P Gojowczyk | |||||||||||||||||||||||
| PR | D Brown  M Chiudinelli | 7 | 4 | [8] | 3 | K Skupski N Skupski | w/o | ||||||||||||||||||||
| 3 | K Skupski N Skupski | 5 | 6 | [10] | 3 | K Skupski N Skupski | 2 | 6 | [8] | ||||||||||||||||||
K Kravchuk  D Sharan | 6 | 77 | 2 | A Bury A Siljeström | 6 | 4 | [10] | ||||||||||||||||||||
 H Moriya J Nedunchezhiyan | 4 | 64 | K Kravchuk D Sharan | 64 | 3 | ||||||||||||||||||||||
R Ghedin  P Grigoriu | 77 | 1 | [8] | 2 | A Bury A Siljeström | 77 | 6 | ||||||||||||||||||||
| 2 | A Bury A Siljeström | 63 | 6 | [10] | |||||||||||||||||||||||
Philip Bester and Peter Polansky were the defending champions but they chose to not compete together this time.
Kevin Anderson and Rik de Voest were the defending champions, but only de Voest chose to compete this year.
He partnered with Bobby Reynolds, but they lost to Colin Fleming and Ken Skupski in the quarterfinal.
Treat Conrad Huey and Dominic Inglot won the tournament after a win against Ryan Harrison and Jesse Levine 6–4, 7–5 in the final.
Jonathan Marray and Jamie Murray chose not to defend their 2010 title.
Frederik Nielsen and Ken Skupski won the title, because their opponents, Michail Elgin and Alexandre Kudryavtsev, withdrew before the final.
Michail Elgin and Alexandre Kudryavtsev defeated Sanchai Ratiwatana and Sonchat Ratiwatana 7–6(3), 6–3 in the final.
Michail Elgin and Alexandre Kudryavtsev won the first edition of the tournament. They defeated Harri Heliövaara and Jose Rubin Statham 6–3, 6–2 in the final.
Gong Maoxin and Li Zhe were the defending champions, but decided not to participate.
Frederik Nielsen and Ken Skupski were the defending champions but Nielsen decided not to participate.
Skupski plays alongside Jamie Delgado. They went on to win the title against Martin Fischer and Philipp Oswald 7–5, 7–5 in the final.
Michail Elgin and Alexander Kudryavtsev were the defending champions but decided not to participate.
John Paul Fruttero and Raven Klaasen won the final 6–2, 6–4 against Colin Ebelthite and Samuel Groth.
Sanchai Ratiwatana and Sonchat Ratiwatana were the defending champions, but they lost to Victor Baluda and Dino Marcan in the first round.
Baluda and Marcan defeated Samuel Groth and John-Patrick Smith 6–7(5–7), 6–4, [10–7] in the final to win the title.
Treat Huey and Dominic Inglot were the defending champions but they decided not to participate.
Jamie Murray and John Peers defeated Ken and Neal Skupski 6–2, 6–7(3–7), [10–6] in the final to win the title.
Sanchai Ratiwatana and Sonchat Ratiwatana were the defending champions, but they decided not to compete this year.
Martin Kližan was the defending champion, but withdrew before the tournament began.
Ernests Gulbis won the title, defeating Guillermo García-López in the final, 3–6, 6–4, 6–0.
Sanchai Ratiwatana and Sonchat Ratiwatana were the defending champions, but decided to compete at the ATP Challenger Guangzhou instead.
Henri Kontinen and Konstantin Kravchuk won the title, defeating Pierre-Hugues Herbert and Albano Olivetti in the final, 6–4, 6–7(3–7), [10–7].
Tomasz Bednarek and Andreas Siljeström were the defending champions, but decided not to compete.
Austin Krajicek and Tennys Sandgren were the current champions, but did not compete this year.
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).
Dudi Sela and Amir Weintraub were the defending champions but chose not to defend their title.
Lee Hsin-han and Denys Molchanov were the defending champions but chose not to defend their title.
This was the first edition of the tournament.
Hsieh Cheng-peng and Yang Tsung-hua were the defending champions but lost in the semifinals to Sanchai and Sonchat Ratiwatana.