# 2012 Arimex Challenger Trophy – Singles

Íñigo Cervantes-Huegun was the defending champion but chose not to compete. Andrey Kuznetsov won the title after defeating Adrian Ungur 6–3, 6–3 in the final.

## Seeds

* Lukáš Rosol (second round)
* Adrian Ungur (final)
* João Sousa (semifinals)
* Andreas Haider-Maurer (quarterfinals)
* Andrey Kuznetsov (champion)
* Antonio Veić (first round)
* Paul Capdeville (first round, retired because of a right groin injury)
* Matteo Viola (semifinals)

## 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 |
| 5 | Andrey Kuznetsov | 6 | 6 | | | | |
| 3 | João Sousa | 3 | 0 | | | | |
| 3 | João Sousa | 3 | 0 | 5 | Andrey Kuznetsov | 6 | 6 |
| | | | | 2 | Adrian Ungur | 3 | 3 |
| 8 | Matteo Viola | 6$^3$ | 3 | 2 | Adrian Ungur | 3 | 3 |
| 2 | Adrian Ungur | 7$^7$ | 6 | | | | |

### 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 | Semifinals |
| 1 | L Rosol | 7$^7$ | 6 | | | | | | | | | | | | | | | |
| | P Červenák | 6$^2$ | 2 | | 1 | L Rosol | 6 | 3 | 2 | | | | | | | | | |
| | M Fischer | 1$^r$ | | | PR | J Reister | 4 | 6 | 6 | | | | | | | | | |
| PR | J Reister | 5 | | | | | | | | PR | J Reister | 5 | 6$^4$ | | | | | |
| Q | W Trusendi | 6$^5$ | 6 | 7 | | | | | | 5 | A Kuznetsov | 7 | 7$^7$ | | | | | |
| WC | N Gomboš | 7$^7$ | 4 | 5 | Q | W Trusendi | 0 | 2 | | | | | | | | | | |
| Q | S Diez | 4 | 3 | | 5 | A Kuznetsov | 6 | 6 | | | | | | | | | | |
| 5 | A Kuznetsov | 6 | 6 | | | | | | | | | | | | 5 | A Kuznetsov | 6 | 6 |
| 3 | J Sousa | 1 | 6 | 6 | | | | | | | | | | | 3 | J Sousa | 3 | 0 |
| | P Oswald | 6 | 2 | 1 | 3 | J Sousa | 6 | 6 | | | | | | | | | | |
| | I Navarro | 6 | 6 | | | I Navarro | 2 | 4 | | | | | | | | | | |
| | S Vagnozzi | 3 | 2 | | | | | | | 3 | J Sousa | 6$^3$ | 6 | 7 | | | | |
| WC | N Reissig | 0 | 2 | | | | | | | Q | S Robert | 7$^7$ | 3 | 5 | | | | |
| Q | D Lojda | 6 | 6 | | Q | D Lojda | 2 | 1 | | | | | | | | | | |
| Q | S Robert | 6 | 1 | 7 | Q | S Robert | 6 | 6 | | | | | | | | | | |
| 6 | A Veić | 2 | 6 | 5 | | | | | | | | | | | | | | |

### 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 | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals |
| 8 | M Viola | 6 | 6 | | | | | | | | | | | | | | | |
| | M Linzer | 3 | 1 | | 8 | M Viola | 7$^7$ | 7$^9$ | | | | | | | | | | |
| | B Westerhof | 0 | 0$^r$ | | | J Martí | 6$^1$ | 6$^7$ | | | | | | | | | | |
| | J Martí | 6 | 1 | | | | | | | 8 | M Viola | 6 | 6 | | | | | |
| WC | Adrian Sikora | 5 | 1 | | | | | | | 4 | A Haider-Maurer | 4 | 2 | | | | | |
| | P Sousa | 7 | 6 | | | P Sousa | 5 | 7 | 1 | | | | | | | | | |
| | J Duckworth | 6$^4$ | 1 | | 4 | A Haider-Maurer | 7 | 5 | 6 | | | | | | | | | |
| 4 | A Haider-Maurer | 7 | 6 | | | | | | | | | | | | 8 | M Viola | 6$^3$ | 3 |
| 7 | P Capdeville | 2 | 0$^r$ | | | | | | | | | | | | 2 | A Ungur | 7$^7$ | 6 |
| | D Džumhur | 6 | 0 | | | D Džumhur | 4 | 6 | 2 | | | | | | | | | |
| | A Martin | 7$^7$ | 6 | | | A Martin | 6 | 3 | 6 | | | | | | | | | |
| WC | R Kern | 6$^1$ | 3 | | | | | | | | A Martin | 1 | 6 | 4 | | | | |
| | K Čapkovič | 6 | 6 | | | | | | | 2 | A Ungur | 6 | 3 | 6 | | | | |
| SE | J Kubler | 4 | 3 | | | K Čapkovič | 1 | 2 | | | | | | | | | | |
| SE | N Mektić | 4 | 6 | 4 | 2 | A Ungur | 6 | 6 | | | | | | | | | | |
| 2 | A Ungur | 6 | 2 | 6 | | | | | | | | | | | | | | |