# 2011 Bauer Watertechnology Cup – Singles

Igor Sijsling was the defending champion, but lost in the first round to Kevin Krawietz. Rajeev Ram won the title, defeating Karol Beck 6–4, 6–2 in the final.

## Seeds

* Philipp Petzschner (second round)
* Cedrik-Marcel Stebe (first round)
* Karol Beck (final)
* Andreas Beck (semifinals)
* Go Soeda (second round)
* Grega Žemlja (second round)
* Malek Jaziri (second round, retired)
* Igor Sijsling (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 | Final | Final | Final | Final |
| | Daniel Brands | 4 | 4 | | | | |
| 3 | Karol Beck | 6 | 6 | | | | |
| 3 | Karol Beck | 6 | 6 | 3 | Karol Beck | 4 | 2 |
| | | | | | Rajeev Ram | 6 | 6 |
| 4 | Andreas Beck | 6$^4$ | 6$^5$ | | Rajeev Ram | 6 | 6 |
| | Rajeev Ram | 7$^7$ | 7$^7$ | | | | |

### 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 |
| 1/WC | P Petzschner | 6 | 6$^6$ | 6 | | | | | | | | | | | | | |
| | F Dancevic | 4 | 7$^8$ | 3 | 1/WC | P Petzschner | 6 | 3 | 4 | | | | | | | | |
| | R Bemelmans | 6 | 6 | | | R Bemelmans | 1 | 6 | 6 | | | | | | | | |
| WC | R Kern | 4 | 2 | | | | | | | | R Bemelmans | 5 | 4 | | | | |
| LL | P Oswald | 5 | 4 | | | | | | | | D Brands | 7 | 6 | | | | |
| | D Brands | 7 | 6 | | | D Brands | 6$^3$ | 6 | 3 | | | | | | | | |
| | J Reister | 4 | 4 | | 7 | M Jaziri | 7$^7$ | 2 | 2$^r$ | | | | | | | | |
| 7 | M Jaziri | 6 | 6 | | | | | | | | | | | | D Brands | 4 | 4 |
| 3 | K Beck | 6 | 6 | | | | | | | | | | | 3 | K Beck | 6 | 6 |
| | M Przysiężny | 2 | 3 | | 3 | K Beck | 6 | 3 | 6 | | | | | | | | |
| Q | M Zverev | 3 | 6 | 6 | Q | M Zverev | 3 | 6 | 3 | | | | | | | | |
| | C Niland | 6 | 3 | 3 | | | | | | 3 | K Beck | 7$^{11}$ | 6 | | | | |
| | I Bozoljac | 2 | 7$^7$ | 6 | | | | | | WC | K Krawietz | 6$^9$ | 2 | | | | |
| Q | A Begemann | 6 | 6$^4$ | 3 | | I Bozoljac | 5 | r | | | | | | | | | |
| WC | K Krawietz | 7$^9$ | 7$^7$ | | WC | K Krawietz | 7 | | | | | | | | | | |
| 8 | I Sijsling | 6$^7$ | 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 | Semifinals | Semifinals | Semifinals | Semifinals |
| 6 | G Žemlja | 7 | 6 | | | | | | | | | | | | | | |
| | M Fischer | 5 | 4 | | 6 | G Žemlja | 4 | 6 | 6$^6$ | | | | | | | | |
| Q | J-L Struff | 5 | 1 | | | J Hernych | 6 | 2 | 7$^8$ | | | | | | | | |
| | J Hernych | 7 | 6 | | | | | | | | J Hernych | 6$^4$ | 4 | | | | |
| | J Janowicz | 6 | 6 | | | | | | | 4 | A Beck | 7$^7$ | 6 | | | | |
| | A Kudryavtsev | 2 | 1 | | | J Janowicz | 4 | 6 | 6$^7$ | | | | | | | | |
| Q | J Mertl | 6$^2$ | 7$^8$ | 2 | 4 | A Beck | 6 | 2 | 7$^9$ | | | | | | | | |
| 4 | A Beck | 7$^7$ | 6$^6$ | 6 | | | | | | | | | | 4 | A Beck | 6$^4$ | 6$^5$ |
| 5 | G Soeda | 4 | 7$^7$ | 6 | | | | | | | | | | | R Ram | 7$^7$ | 7$^7$ |
| WC | M Zimmermann | 6 | 6$^5$ | 2 | 5 | G Soeda | 5 | 4 | | | | | | | | | |
| | J Sousa | 5 | 6$^5$ | | | R Ram | 7 | 6 | | | | | | | | | |
| | R Ram | 7 | 7$^7$ | | | | | | | | R Ram | 7 | 6 | | | | |
| | M Copil | 4 | 4 | | | | | | | | D Brown | 5 | 3 | | | | |
| | D Brown | 6 | 6 | | | D Brown | 6 | 6 | | | | | | | | | |
| | L Grigelis | 6 | 6 | | | L Grigelis | 2 | 2 | | | | | | | | | |
| 2 | C-M Stebe | 4 | 4 | | | | | | | | | | | | | | |