# 2012 Košice Open – Singles

Simon Greul was the defending champion but lost in the final to Aljaž Bedene.

## Seeds

* Alessandro Giannessi (quarterfinals)
* Jan Hájek (semifinals)
* João Sousa (second round)
* Aljaž Bedene (champion)
* Andreas Haider-Maurer (first round)
* Yang Tsung-hua (second round)
* Arnau Brugués Davi (quarterfinals)
* Marc Gicquel (first 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 | Semifinals | Finals | Finals | Finals | Finals |
| | Simon Greul | 6 | 6 | | | | | |
| | Damir Džumhur | 2 | 4 | | | | | |
| | Damir Džumhur | 2 | 4 | | | Simon Greul | 6$^1$ | 2 |
| | | | | | 4 | Aljaž Bedene | 7$^7$ | 6 |
| 4 | Aljaž Bedene | 4 | 6 | 6 | 4 | Aljaž Bedene | 7$^7$ | 6 |
| 2 | Jan Hájek | 6 | 2 | 4 | | | | |

### 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 | A Giannessi | 7$^7$ | 4 | 6 | | | | | | | | | | | | | |
| | H Heliövaara | 6$^1$ | 6 | 3 | 1 | A Giannessi | 6 | 6 | | | | | | | | | |
| | P Gojowczyk | 1 | 6 | 3 | Q | Nils Langer | 1 | 3 | | | | | | | | | |
| Q | Nils Langer | 6 | 4 | 6 | | | | | | 1 | A Giannessi | 2 | 1 | | | | |
| | S Greul | 6 | 6 | | | | | | | | S Greul | 6 | 6 | | | | |
| WC | Patrik Fabian | 4 | 1 | | | S Greul | 4 | 7$^{11}$ | 7$^7$ | | | | | | | | |
| | F Krajinović | 7 | 4 | 1 | 6 | T-h Yang | 6 | 6$^9$ | 6$^3$ | | | | | | | | |
| 6 | T-h Yang | 5 | 6 | 6 | | | | | | | | | | | S Greul | 6 | 6 |
| 3 | J Sousa | 2 | 6 | 6 | | | | | | | | | | | D Džumhur | 2 | 4 |
| | I Navarro | 6 | 2 | 3 | 3 | J Sousa | 4 | 4 | | | | | | | | | |
| | K Čapkovič | 5 | 3 | | WC | M Mečíř | 6 | 6 | | | | | | | | | |
| WC | M Mečíř | 7 | 6 | | | | | | | WC | M Mečíř | 6$^4$ | 6 | 4 | | | |
| | D Džumhur | 1 | 6 | 6 | | | | | | | D Džumhur | 7$^7$ | 4 | 6 | | | |
| Q | M Gawron | 6 | 2 | 1 | | D Džumhur | 4 | 7$^7$ | 6 | | | | | | | | |
| WC | J Veselý | 3 | 2 | | WC | J Veselý | 6 | 6$^5$ | 0 | | | | | | | | |
| 8 | M Gicquel | 6 | 0$^r$ | | | | | | | | | | | | | | |

### Bottom half

| First round | First round | First round | First round | Second round | Second round | Second round | Second round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals | Semifinals |
| 7 | A Brugués Davi | 6 | 6 | | | | | | | | | | | | | | |
| | P Polansky | 2 | 4 | 7 | A Brugués Davi | 7 | 6 | | | | | | | | | | |
| | V Estrella | 6$^5$ | 2 | | D Lojda | 5 | 2 | | | | | | | | | | |
| | D Lojda | 7$^7$ | 6 | | | | | 7 | A Brugués Davi | 7 | 4 | 2 | | | | | |
| | G Elias | 2 | 5 | | | | | 4 | A Bedene | 5 | 6 | 6 | | | | | |
| | I Minář | 6 | 7 | | I Minář | 4 | 2 | | | | | | | | | | |
| | P Červenák | 2 | 6$^5$ | 4 | A Bedene | 6 | 6 | | | | | | | | | | |
| 4 | A Bedene | 6 | 7$^7$ | | | | | | | | | | 4 | A Bedene | 4 | 6 | 6 |
| 5 | A Haider-Maurer | 2 | 4 | | | | | | | | | | 2 | J Hájek | 6 | 2 | 4 |
| | V Crivoi | 6 | 6 | | V Crivoi | 6 | 6 | | | | | | | | | | |
| WC | D Hrbatý | 6 | 6 | WC | D Hrbatý | 4 | 3 | | | | | | | | | | |
| | A Velotti | 4 | 3 | | | | | | V Crivoi | 1 | 6 | 5 | | | | | |
| Q | A Martin | 6 | 6 | | | | | 2 | J Hájek | 6 | 4 | 7 | | | | | |
| | M Felder | 3 | 4 | Q | A Martin | 3 | 1 | | | | | | | | | | |
| Q | M Copil | 6$^1$ | 2 | 2 | J Hájek | 6 | 6 | | | | | | | | | | |
| 2 | J Hájek | 7$^7$ | 6 | | | | | | | | | | | | | | |