# 2011 Volkswagen Challenger – Singles

Ruben Bemelmans was the defending champion from the last edition of the tournament in 2009. He successfully defended his title, defeating Dominik Meffert 6–7$^{(8–10)}$, 6–4, 6–4 in the final.

## Seeds

* Daniel Brands (first round)
* Gilles Müller (first round)
* Olivier Rochus (first round)
* Jesse Huta Galung (second round, withdrew)
* Steve Darcis (second round)
* Andreas Beck (second round)
* Alexandre Kudryavtsev (first round, retired)
* Ilija Bozoljac (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 | Semifinals | Final | Final | Final | Final |
| Q | Stefan Seifert | 6$^6$ | 7 | 3 | | | | |
| | Ruben Bemelmans | 7 | 6$^5$ | 6 | | | | |
| | Ruben Bemelmans | 7 | 6$^5$ | 6 | Ruben Bemelmans | 6$^8$ | 6 | 6 |
| | | | | | Dominik Meffert | 7 | 4 | 4 |
| | Dominik Meffert | 7 | 6 | | Dominik Meffert | 7 | 4 | 4 |
| 8 | Ilija Bozoljac | 6$^5$ | 3 | | | | | |

### 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 | D Brands | 4 | 2 | | | | | | | | | | | | | | | |
| | R Bautista-Agut | 6 | 6 | | | R Bautista-Agut | 7 | 4 | 4 | | | | | | | | | |
| | S Stadler | 4 | 6$^3$ | | | U Ignatik | 5 | 6 | 6 | | | | | | | | | |
| | U Ignatik | 6 | 7 | | | | | | | | U Ignatik | 6$^5$ | 4 | | | | | |
| Q | Stefan Seifert | 6 | 6 | | | | | | | Q | Stefan Seifert | 7 | 6 | | | | | |
| | Charles-Antoine Brézac | 2 | 1 | | Q | Stefan Seifert | 2 | 6 | 6 | | | | | | | | | |
| WC | V Baluda | 3 | 3 | | 6 | A Beck | 6 | 1 | 3 | | | | | | | | | |
| 6 | A Beck | 6 | 6 | | | | | | | | | | | Q | Stefan Seifert | 6$^6$ | 7 | 3 |
| 3 | O Rochus | 4 | 6 | 6$^4$ | | | | | | | | | | | R Bemelmans | 7 | 6$^5$ | 6 |
| | J Janowicz | 6 | 2 | 7 | | J Janowicz | 6$^5$ | 0 | | | | | | | | | | |
| | S Rieschick | 6 | 6 | | | S Rieschick | 7 | 6 | | | | | | | | | | |
| WC | J-F Brunken | 2 | 1 | | | | | | | | S Rieschick | 3 | 4 | | | | | |
| | R Bemelmans | 2 | 6 | 6 | | | | | | | R Bemelmans | 6 | 6 | | | | | |
| | M Semjan | 6 | 4 | 2 | | R Bemelmans | 7 | 3 | 6 | | | | | | | | | |
| WC | P Gojowczyk | 2 | 1 | | 5 | S Darcis | 6$^2$ | 6 | 3 | | | | | | | | | |
| 5 | S Darcis | 6 | 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 |
| 7 | A Kudryavtsev | 1 | r | | | | | | | | | | | | | | |
| Q | D Kindlmann | 4 | | | Q | D Kindlmann | 1 | 6 | 7 | | | | | | | | |
| | F Nielsen | 4 | 2 | | Q | F Dustov | 6 | 2 | 5 | | | | | | | | |
| Q | F Dustov | 6 | 6 | | | | | | | Q | D Kindlmann | 5 | 4 | | | | |
| | D Meffert | 7 | 6 | | | | | | | | D Meffert | 7 | 6 | | | | |
| WC | Y-t Wang | 5 | 2 | | | D Meffert | w/o | | | | | | | | | | |
| | K Vliegen | 1 | 7 | 3 | 4 | J Huta Galung | | | | | | | | | | | |
| 4 | J Huta Galung | 6 | 6$^4$ | 6 | | | | | | | | | | | D Meffert | 7 | 6 |
| 8 | I Bozoljac | 6 | 6 | | | | | | | | | | | 8 | I Bozoljac | 6$^5$ | 3 |
| | M Middelkoop | 2 | 3 | | 8 | I Bozoljac | 6 | 7 | | | | | | | | | |
| | K Kravchuk | 6 | 6 | | | K Kravchuk | 3 | 5 | | | | | | | | | |
| Q | A Begemann | 3 | 3 | | | | | | | 8 | I Bozoljac | 6 | 6 | | | | |
| | J Zopp | 1 | | | | | | | | | M Bachinger | 4 | 1 | | | | |
| | B Klein | 0$^r$ | | | | J Zopp | 2 | 7 | 5 | | | | | | | | |
| | M Bachinger | 6$^5$ | 6 | 6 | | M Bachinger | 6 | 5 | 7 | | | | | | | | |
| 2 | G Müller | 7 | 3 | 4 | | | | | | | | | | | | | |