| 2013 Bauer Watertechnology Cup | |
|---|---|
| Date | 28 October – 3 November |
| Edition | 17th |
| Surface | Carpet |
| Location | Eckental, Germany |
| Champions | |
| Singles | |
 Benjamin Becker | |
| Doubles | |
| Dustin Brown / Philipp Marx | |
The 2013 Bauer Watertechnology Cup was a professional tennis tournament played on carpet courts. It was the 17th edition of the tournament which was part of the 2013 ATP Challenger Tour. It took place in Eckental, Germany between October 28 and November 3, 2013.
| Country | Player | Rank1 | Seed |
|---|---|---|---|
| GER | Benjamin Becker | 72 | 1 |
 UKR | Oleksandr Nedovyesov | 121 | 2 |
 ITA | Matteo Viola | 129 | 3 |
 CAN | Frank Dancevic | 132 | 4 |
| GER | Dustin Brown | 134 | 5 |
 LTU | Ričardas Berankis | 135 | 6 |
 BEL | Ruben Bemelmans | 154 | 7 |
| GER | Andreas Beck | 190 | 8 |
The following players received wildcards into the singles main draw:
Kevin Krawietz Robin Kern Maximilian Marterer Hannes WagnerThe following players received entry from the qualifying draw:
Piotr Gadomski
Levente Gödry Mateusz Kowalczyk 
Filip Veger Benjamin Becker def. Ruben Bemelmans 2–6, 7–6(7–3), 6–4 Dustin Brown / Philipp Marx def. Piotr Gadomski / Mateusz Kowalczyk 7–6(7–4), 6–2