| 2013 Sparkassen Open | |
|---|---|
| Date | 1–7 July |
| Edition | 20th |
| Surface | Clay |
| Location | Braunschweig, Germany |
| Champions | |
| Singles | |
 Florian Mayer | |
| Doubles | |
 Tomasz Bednarek / Mateusz Kowalczyk | |
The 2013 Sparkassen Open was a professional tennis tournament played on clay courts. It was the 20th edition of the tournament which was part of the 2013 ATP Challenger Tour. It took place in Braunschweig, Germany between 1 and 7 July 2013.
| Country | Player | Rank1 | Seed |
|---|---|---|---|
| GER | Florian Mayer | 34 | 1 |
 ARG | Horacio Zeballos | 52 | 2 |
| GER | Tobias Kamke | 68 | 3 |
 CZE | Jan Hájek | 96 | 4 |
 BRA | Rogério Dutra da Silva | 100 | 5 |
| CZE | Jiří Veselý | 109 | 6 |
| ARG | Federico Delbonis | 113 | 7 |
 SRB | Dušan Lajović | 114 | 8 |
The following players received wildcards into the singles main draw:
Andreas Beck Jan Hájek Peter Heller Florian Mayer The following players received entry as a special exempt into the singles main draw:
The following players received entry from the qualifying draw:
The following player received entry as a lucky loser:
| Country | Player | Country | Player | Rank1 | Seed |
|---|---|---|---|---|---|
| CZE | Lukáš Dlouhý |  AUT | Oliver Marach | 119 | 1 |
 ROU | Florin Mergea | BRA | André Sá | 136 | 2 |
 USA | Nicholas Monroe | GER | Simon Stadler | 143 | 3 |
| GER | Andre Begemann |  CAN | Adil Shamasdin | 147 | 4 |
The following pairs received wildcards into the doubles main draw:
Marek Pešička / Jiří Veselý Nils Langer / Jan-Lennard Struff 
Andrey Golubev / 
Ivan Sergeyev Florian Mayer def. Jiří Veselý 4–6, 6–2, 6–1 Tomasz Bednarek / Mateusz Kowalczyk def. 
Andreas Siljeström / 
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