# 2012 Open Castilla y León – Singles

Karol Beck was the defending champion, but chose not to participate this year. Evgeny Donskoy won the tournament by defeating Albano Olivetti 6–1, 7–6$^{(13–11)}$ in the final.

## Seeds

* Daniel Gimeno Traver (quarterfinals)
* Daniel Muñoz de la Nava (first round)
* Dušan Lajović (second round)
* Evgeny Donskoy (champion)
* Konstantin Kravchuk (semifinals)
* Kenny de Schepper (second round)
* Facundo Argüello (second round)
* Iván Navarro (second round)

## Draw
### Key

* Q = Qualifier
* WC = Wild card
* LL = Lucky loser
* Alt = Alternate
* SE = Special exempt
* PR = Protected ranking
* ITF = ITF entry
* JE = Junior exempt
* w/o = Walkover
* r = Retired
* d = Defaulted
* SR = Special ranking

### Finals

| Semifinals | Semifinals | Semifinals | Semifinals | Final | Final | Final | Final |
| | Albano Olivetti | 6 | 6 | | | | |
| | Riccardo Ghedin | 2 | 4 | | | | |
| | Riccardo Ghedin | 2 | 4 | | Albano Olivetti | 1 | 6$^{11}$ |
| | | | | 4 | Evgeny Donskoy | 6 | 7$^{13}$ |
| 4 | Evgeny Donskoy | 6 | 6 | 4 | Evgeny Donskoy | 6 | 7$^{13}$ |
| 5 | Konstantin Kravchuk | 4 | 2 | | | | |

### Top half

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals |
| 1 | D Gimeno Traver | 6 | 6 | | | | | | | | | | | | | | |
| WC | Carlos Benito Hergueta | 3 | 1 | | 1 | D Gimeno Traver | 6 | 6 | | | | | | | | | |
| | J Minář | 6 | 6$^7$ | 0 | | Adrien Bossel | 4 | 3 | | | | | | | | | |
| | Adrien Bossel | 3 | 7$^9$ | 6 | | | | | | 1 | D Gimeno Traver | 4 | 6 | 6$^6$ | | | |
| | A Olivetti | 6 | 6 | | | | | | | | A Olivetti | 6 | 4 | 7$^8$ | | | |
| | D Marcan | 1 | 2 | | | A Olivetti | 7$^8$ | 7$^7$ | | | | | | | | | |
| | S Diez | 2 | 3 | | 8 | I Navarro | 6$^6$ | 6$^4$ | | | | | | | | | |
| 8 | I Navarro | 6 | 6 | | | | | | | | | | | | A Olivetti | 6 | 6 |
| 3 | D Lajović | 6 | 6 | | | | | | | | | | | | R Ghedin | 2 | 4 |
| Q | N Moser | 2 | 2 | | 3 | D Lajović | 6$^4$ | 7 | 3 | | | | | | | | |
| | B Pašanski | 2 | 2 | | | R Ghedin | 7$^7$ | 5 | 6 | | | | | | | | |
| | R Ghedin | 6 | 6 | | | | | | | | R Ghedin | 6 | 4 | 6 | | | |
| WC | Jorge Hernando Ruano | 3 | 3 | | | | | | | Q | M Draganja | 3 | 6 | 3 | | | |
| Q | M Draganja | 6 | 6 | | Q | M Draganja | 6 | 6 | | | | | | | | | |
| | S Bohli | 6$^4$ | 3 | | 7 | F Argüello | 2 | 1 | | | | | | | | | |
| 7 | F Argüello | 7$^7$ | 6 | | | | | | | | | | | | | | |

### Bottom half

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals |
| 6 | K de Schepper | 6 | 6 | | | | | | | | | | | | | | |
| | T Daniel | 2 | 1 | | 6 | K de Schepper | 4 | 4 | | | | | | | | | |
| Q | L Vanni | 6 | 5 | 1 | | G Granollers | 6 | 6 | | | | | | | | | |
| | G Granollers | 4 | 7 | 6 | | | | | | | G Granollers | 0 | 2 | | | | |
| | G Olaso | 6 | 4 | | | | | | | 4 | E Donskoy | 6 | 6 | | | | |
| | N Renavand | 1 | 1$^r$ | | | G Olaso | 4 | 3 | | | | | | | | | |
| WC | Ricardo Villacorta-Alonso | 6$^8$ | 2 | | 4 | E Donskoy | 6 | 6 | | | | | | | | | |
| 4 | E Donskoy | 7$^{10}$ | 6 | | | | | | | | | | | 4 | E Donskoy | 6 | 6 |
| 5 | K Kravchuk | 7$^7$ | 6$^1$ | 6 | | | | | | | | | | 5 | K Kravchuk | 4 | 2 |
| | N Mektić | 6$^2$ | 7$^7$ | 4 | 5 | K Kravchuk | 6 | 6 | | | | | | | | | |
| | D Zivkovic | 6 | 7 | | | D Zivkovic | 4 | 2 | | | | | | | | | |
| Q | C-I Gârd | 4 | 5 | | | | | | | 5 | K Kravchuk | 6 | 6 | | | | |
| | F Martin | 6$^4$ | 6 | 4 | | | | | | WC | A Artuñedo | 4 | 4 | | | | |
| | Julien Obry | 7$^7$ | 3 | 6 | | Julien Obry | 3 | 6 | 1 | | | | | | | | |
| WC | A Artuñedo | 7$^7$ | 6 | | WC | A Artuñedo | 6 | 3 | 6 | | | | | | | | |
| 2 | D Muñoz de la Nava | 6$^5$ | 4 | | | | | | | | | | | | | | |