# 2013 Sparkasse ATP Challenger – Singles

Benjamin Becker is the defending champion, but lost in the quarterfinals to fifth seeded Teymuraz Gabashvili. Top seed Andreas Seppi defeated surprise finalist Simon Greul.

## Seeds

* Andreas Seppi (champion)
* Michał Przysiężny (first round)
* Dudi Sela (first round)
* Benjamin Becker (quarterfinals)
* Teymuraz Gabashvili (semifinals)
* Jesse Huta Galung (second round)
* Matteo Viola (first round)
* Frank Dancevic (quarterfinals)

## 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 | Final | Final | Final | Final |
| 1/WC | Andreas Seppi | 7$^{10}$ | 6$^6$ | 6 | | | | |
| 5 | Teymuraz Gabashvili | 6$^8$ | 7$^8$ | 3 | | | | |
| 5 | Teymuraz Gabashvili | 6$^8$ | 7$^8$ | 3 | 1/WC | Andreas Seppi | 7$^7$ | 6 |
| | | | | | | Simon Greul | 6$^4$ | 2 |
| | Simon Greul | 6 | 7 | | | Simon Greul | 6$^4$ | 2 |
| | Dustin Brown | 3 | 5 | | | | | |

### 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 | Semifinals | Semifinals | Semifinals | Semifinals | Semifinals |
| $^{1/WC}$ | A Seppi | 7$^7$ | 6 | | | | | | | | | | | | | | | |
| | T de Bakker | 6$^3$ | 4 | | 1/WC | A Seppi | 6 | 7 | | | | | | | | | | |
| WC | F Dustov | 6 | 6 | | WC | F Dustov | 4 | 5 | | | | | | | | | | |
| | A Arnaboldi | 2 | 4 | | | | | | | 1/WC | A Seppi | 6 | 6 | | | | | |
| | R Bemelmans | 4 | 1 | | | | | | | 8 | F Dancevic | 3 | 3 | | | | | |
| | J Mertl | 6 | 6 | | | J Mertl | 2 | 4 | | | | | | | | | | |
| WC | M Donati | 7$^7$ | 1 | 1 | 8 | F Dancevic | 6 | 6 | | | | | | | | | | |
| 8 | F Dancevic | 6$^5$ | 6 | 6 | | | | | | | | | | 1/WC | A Seppi | 7$^{10}$ | 6$^6$ | 6 |
| 4 | B Becker | 7$^7$ | 6 | | | | | | | | | | | 5 | T Gabashvili | 6$^8$ | 7$^8$ | 3 |
| Q | R Becker | 6$^4$ | 3 | | 4 | B Becker | 6 | 4 | 6 | | | | | | | | | |
| | K Kravchuk | 7 | 2 | 3 | | M Berrer | 4 | 6 | 4 | | | | | | | | | |
| | M Berrer | 5 | 6 | 6 | | | | | | 4 | B Becker | 4 | 1 | | | | | |
| | M Bachinger | 6 | 3 | 7$^9$ | | | | | | 5 | T Gabashvili | 6 | 6 | | | | | |
| SE | T Puertz | 3 | 6 | 6$^7$ | | M Bachinger | 6 | 3 | 2 | | | | | | | | | |
| Q | A Artuñedo | 5 | 6$^4$ | | 5 | T Gabashvili | 3 | 6 | 6 | | | | | | | | | |
| 5 | T Gabashvili | 7 | 7$^7$ | | | | | | | | | | | | | | | |

### 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 |
| 7 | M Viola | 2 | 5 | | | | | | | | | | | | | |
| | M Chiudinelli | 6 | 7 | | | M Chiudinelli | 6 | 3 | 3 | | | | | | | |
| Q | N Mektic | 7$^7$ | 6 | | Q | N Mektic | 2 | 6 | 6 | | | | | | | |
| Q | A Ritschard | 6$^3$ | 4 | | | | | | | Q | N Mektic | 4 | 2 | | | |
| LL | M Trevisan | 4 | 6 | 6 | | | | | | | S Greul | 6 | 6 | | | |
| | P Gojowczyk | 6 | 3 | 2 | LL | M Trevisan | 6 | 4 | 4 | | | | | | | |
| | S Greul | 7$^7$ | 6 | | | S Greul | 4 | 6 | 6 | | | | | | | |
| 3 | D Sela | 6$^2$ | 2 | | | | | | | | | | | S Greul | 6 | 7 |
| 6 | J Huta Galung | 6 | 6 | | | | | | | | | | | D Brown | 4 | 5 |
| | J Pospíšil | 1 | 3 | | 6 | J Huta Galung | 7$^7$ | 5 | 4 | | | | | | | |
| | M Cecchinato | 5 | 2 | | | D Brown | 6$^2$ | 7 | 6 | | | | | | | |
| | D Brown | 7 | 6 | | | | | | | | D Brown | 6 | 6 | | | |
| | M Fischer | 3 | 6 | 6 | | | | | | | P-H Herbert | 4 | 3 | | | |
| WC | Patrick Prader | 6 | 4 | 4 | | M Fischer | 6$^1$ | 0 | | | | | | | | |
| | P-H Herbert | 7$^7$ | 7$^9$ | | | P-H Herbert | 7$^7$ | 6 | | | | | | | | |
| 2 | M Przysiężny | 6$^3$ | 6$^7$ | | | | | | | | | | | | | |