| Men's doubles | |
|---|---|
| 2017 Open Castilla y León | |
| Champions |  Adrián Menéndez-Maceiras  Sergiy Stakhovsky |
| Runners-up | Roberto Ortega Olmedo David Vega Hernández |
| Final score | 4–6, 6–3, [10–7] |
Purav Raja and Divij Sharan were the defending champions but chose not to defend their title.
Adrián Menéndez-Maceiras and Sergiy Stakhovsky won the title after defeating Roberto Ortega Olmedo and David Vega Hernández 4–6, 6–3, [10–7] in the final.
Steven de Waard / 
Ben McLachlan (first round)
Tuna Altuna / 
Gonçalo Oliveira (first round) Adrián Menéndez-Maceiras / Sergiy Stakhovsky (champions) Gerard Granollers / Marcel Granollers (semifinals)| First round | Quarterfinals | Semifinals | Final | ||||||||||||||||||||||||
| 1 | S de Waard B McLachlan | 66 | 2 | ||||||||||||||||||||||||
 S Clayton J O'Mara | 78 | 6 | S Clayton J O'Mara | 6 | 1 | [10] | |||||||||||||||||||||
 C Garin S Martos Gornés | 2 | 6 | [12] | C Garin S Martos Gornés | 4 | 6 | [6] | ||||||||||||||||||||
| WC | P Martínez J Munar | 6 | 4 | [10] | S Clayton J O'Mara | 1 | 4 | ||||||||||||||||||||
| 3 | A Menéndez-Maceiras S Stakhovsky | 79 | 64 | [10] | 3 | A Menéndez-Maceiras S Stakhovsky | 6 | 6 | |||||||||||||||||||
 M Chiudinelli  A Šetkić | 67 | 77 | [8] | 3 | A Menéndez-Maceiras S Stakhovsky | 6 | 6 | ||||||||||||||||||||
 A Ghem  Y Mertens | 6 | 6 | A Ghem Y Mertens | 3 | 1 | ||||||||||||||||||||||
| WC | Jaime Fermosell Delgado C Taberner | 3 | 1 | 3 | A Menéndez-Maceiras S Stakhovsky | 4 | 6 | [10] | |||||||||||||||||||
 B Bonzi A Olivetti | 6 | 77 | R Ortega Olmedo D Vega Hernández | 6 | 3 | [7] | |||||||||||||||||||||
| A De Minaur B Zapata Miralles | 3 | 64 | B Bonzi A Olivetti | 6 | 5 | [5] | |||||||||||||||||||||
| WC |  S Diez Bruno Mardones | 3 | 4 | 4 | G Granollers M Granollers | 4 | 7 | [10] | |||||||||||||||||||
| 4 | G Granollers M Granollers | 6 | 6 | 4 | G Granollers M Granollers | 61 | 3 | ||||||||||||||||||||
 E Gerasimov I Ivashka | 6 | 4 | [10] | R Ortega Olmedo D Vega Hernández | 77 | 6 | |||||||||||||||||||||
 M Berrettini F Cipolla | 3 | 6 | [6] | E Gerasimov I Ivashka | 65 | 6 | [4] | ||||||||||||||||||||
| R Ortega Olmedo D Vega Hernández | 6 | 6 | R Ortega Olmedo D Vega Hernández | 77 | 3 | [10] | |||||||||||||||||||||
| 2 | T Altuna G Oliveira | 2 | 4 | ||||||||||||||||||||||||
Sergiy Stakhovsky was the defending champion but was eliminated by Édouard Roger-Vasselin in the second round. Feliciano López won in the final 6–3, 6–4, against Adrian Mannarino.
Nicolás Almagro was the two-time defending champion but decided not to participate.
Albert Montañés won the title, defeating Gaël Monfils in the final, 6–0, 7–6(7–3).
Nicolas Mahut was the defending champion, but lost in the quarterfinals to Roberto Bautista Agut.
Bautista Agut went on to win the title, defeating Benjamin Becker in the final, 2–6, 7–6(7–2), 6–4.
Adrian Mannarino was the defending champion, but chose not to defend his title.
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.
Ivan Dodig was the defending champion but chose not to defend his title.
Marko Tepavac was the defending champion but chose not to defend his title.
Enrique López-Pérez and Jeevan Nedunchezhiyan were the defending champions but chose not to defend their title.
Karen Khachanov was the defending champion but chose not to defend his title.
Luca Vanni was the defending champion but lost in the first round to Gerard Granollers.
Florian Mayer was the defending champion but chose not to defend his title.
Jaume Munar was the defending champion but chose not to defend his title.
Adrián Menéndez Maceiras and Sergiy Stakhovsky were the defending champions but withdrew before their quarterfinal match.
Sergiy Stakhovsky was the defending champion but lost in the quarterfinals to Constant Lestienne.
This was the first edition of the tournament.
Jo-Wilfried Tsonga was the defending champion, but lost in the second round to Gaël Monfils.
Uladzimir Ignatik was the defending champion but lost in the second round to Ugo Humbert.
Quentin Halys was the defending champion but lost in the second round to Dan Evans.
Daniel Brands was the defending champion but chose not to defend his title.
Bernard Tomic was the defending champion but chose not to defend his title.