# 2011 Marburg Open – Singles

Simone Vagnozzi was the defending champion but decided not to participate.
Björn Phau claimed the title. He defeated Jan Hájek 6–4, 2–6, 6–3 in the final match.

## Seeds

* Albert Ramos (semifinals)
* Diego Junqueira (quarterfinals)
* Éric Prodon (first round)
* Simon Greul (first round)
* Jesse Huta Galung (first round)
* Horacio Zeballos (semifinals)
* Ivo Minář (retired in First Round, right thigh)
* Yuri Schukin (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 | Albert Ramos | 2 | 4 | | | | | |
| | Jan Hájek | 6 | 6 | | | | | |
| | Jan Hájek | 6 | 6 | | Jan Hájek | 4 | 6 | 3 |
| | | | | | Björn Phau | 6 | 2 | 6 |
| | Björn Phau | 6$^1$ | 6 | 6 | Björn Phau | 6 | 2 | 6 |
| 6 | Horacio Zeballos | 7 | 3 | 4 | | | | |

### Top half

| 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 | A Ramos | 6 | 7 | | | | | | | | | | | | | | |
| | F del Bonis | 4 | 5 | 1 | A Ramos | 6$^4$ | 6 | 6 | | | | | | | | | |
| Q | N Ćirić | 1 | 2$^r$ | | I Bozoljac | 7 | 1 | 3 | | | | | | | | | |
| | I Bozoljac | 6 | 4 | | | | | | 1 | A Ramos | 6 | 6 | | | | | |
| Q | A Ghem | 3 | 5 | | | | | | 8 | Y Schukin | 3 | 0 | | | | | |
| | V Millot | 6 | 7 | | V Millot | 3 | 4 | | | | | | | | | | |
| WC | J Lenz | 2 | 5 | 8 | Y Schukin | 6 | 6 | | | | | | | | | | |
| 8 | Y Schukin | 6 | 7 | | | | | | | | | | | 1 | A Ramos | 2 | 4 |
| 4 | S Greul | 5 | 2 | | | | | | | | | | | | J Hájek | 6 | 6 |
| | J Hájek | 7 | 6 | | J Hájek | 6 | 6 | | | | | | | | | | |
| WC | Jan-Lennard Struff | 6 | 7 | WC | Jan-Lennard Struff | 2 | 2 | | | | | | | | | | |
| SE | S Galvani | 1 | 6$^3$ | | | | | | | J Hájek | 4 | 7 | 6 | | | | |
| | W Odesnik | 6 | 6 | | | | | | | W Odesnik | 6 | 6$^1$ | 0 | | | | |
| | A Ungur | 3 | 0 | | W Odesnik | 6 | 6 | | | | | | | | | | |
| | P Červenák | 1 | | | P Červenák | 1 | 2 | | | | | | | | | | |
| 7 | I Minář | 0$^r$ | | | | | | | | | | | | | | | |

### 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 | Semifinals |
| 5 | J Huta Galung | 3 | 3 | | | | | | | | | | | | | | | | |
| LL | S Stadler | 6 | 6 | | LL | S Stadler | 5 | 6 | 2 | | | | | | | | | | |
| | A Balázs | 4 | 6 | 6 | | A Balázs | 7 | 3 | 6 | | | | | | | | | | |
| WC | O Marach | 6 | 2 | 2 | | | | | | | A Balázs | 3 | 3 | | | | | | |
| | J Sousa | 7 | 6 | | | | | | | | B Phau | 6 | 6 | | | | | | |
| WC | Constantin Christ | 5 | 1 | | | J Sousa | 4 | 6 | 5 | | | | | | | | | | |
| | B Phau | 7 | 6 | | | B Phau | 6 | 3 | 7 | | | | | | | | | | |
| 3 | É Prodon | 6$^6$ | 3 | | | | | | | | | | | | | B Phau | 6$^1$ | 6 | 6 |
| 6 | H Zeballos | 6 | 7 | | | | | | | | | | | | 6 | H Zeballos | 7 | 3 | 4 |
| | E Donskoy | 1 | 6$^5$ | | 6 | H Zeballos | 6 | 6 | | | | | | | | | | | |
| | D Matsukevich | 2 | 3 | | Q | A Smirnov | 1 | 2 | | | | | | | | | | | |
| Q | A Smirnov | 6 | 6 | | | | | | | 6 | H Zeballos | 6 | 4 | 7 | | | | | |
| | M Teixeira | 0 | 6$^7$ | | | | | | | 2 | D Junqueira | 3 | 6 | 5 | | | | | |
| Q | M Gawron | 6 | 7 | | Q | M Gawron | 1 | 5 | | | | | | | | | | | |
| | G Rufin | 3 | 1 | | 2 | D Junqueira | 6 | 7 | | | | | | | | | | | |
| 2 | D Junqueira | 6 | 6 | | | | | | | | | | | | | | | | |