| 2011 Bauer Watertechnology Cup | |
|---|---|
| Date | 31 October – 6 November |
| Edition | 15th |
| Location | Eckental, Germany |
| Champions | |
| Singles | |
 Rajeev Ram | |
| Doubles | |
 Andre Begemann /  Alexander Kudryavtsev | |
The 2011 Bauer Watertechnology Cup was a professional tennis tournament played on carpet courts. It was the 15th edition of the tournament and was part of the 2011 ATP Challenger Tour. It took place in Eckental, Germany between 31 October 2011 and 6 November 2011.
| Country | Player | Rank1 | Seed |
|---|---|---|---|
| GER | Philipp Petzschner | 63 | 1 |
| GER | Cedrik-Marcel Stebe | 101 | 2 |
 SVK | Karol Beck | 102 | 3 |
| GER | Andreas Beck | 112 | 4 |
 JPN | Go Soeda | 119 | 5 |
 SVN | Grega Žemlja | 123 | 6 |
 TUN | Malek Jaziri | 140 | 7 |
 NED | Igor Sijsling | 147 | 8 |
The following players received wildcards into the singles main draw:
The following players received entry from the qualifying draw:
Andre Begemann 
Jan Mertl Jan-Lennard Struff Mischa Zverev The following players received entry as a "lucky loser" into the singles main draw:
Rajeev Ram def. Karol Beck, 6–4, 6–2
Andre Begemann / Alexander Kudryavtsev def. James Cerretani / 
Adil Shamasdin, 6–3, 3–6, [11–9]
