The 2011 Internationaler Apano Cup was a professional tennis tournament played on clay courts. It was the first edition of the tournament which was part of the 2011 ATP Challenger Tour. It took place in Dortmund, Germany between 25 and 31 July 2011.
| Country | Player | Rank1 | Seed | |
|---|---|---|---|---|
 Argentina | Horacio Zeballos | 107 | 1 | |
| Thomas Schoorel | 121 | 2 | ||
| Björn Phau | 133 | 3 | ||
 Russian Federation | Teymuraz Gabashvili | 134 | 4 | |
 Slovakia | Martin Kližan | 140 | 5 | |
| Simon Greul | 142 | 6 | ||
 Belarus | Uladzimir Ignatik | 154 | 7 | |
 Serbia | Nikola Ćirić | 158 | 9 |
The following players received wildcards into the singles main draw:
Nicolas ReissigThe following players received entry from the qualifying draw:
Maxime Authom
André Ghem
Maxime TeixeiraThe following players received entry from the qualifying draw as a lucky loser:
See main article: 2011 Internationaler Apano Cup – Singles. Leonardo Mayer def. Thomas Schoorel, 6–3, 6–2
See main article: 2011 Internationaler Apano Cup – Doubles. Dominik Meffert / Björn Phau def. Teymuraz Gabashvili / Andrey Kuznetsov, 6–4, 6–3