The 2011 Oberstaufen Cup was a professional tennis tournament played on clay courts. It was part of the 2011 ATP Challenger Tour. It was the 20th edition of the tournament. It took place in Oberstaufen, Germany between July 4 and July 10, 2011.
ATP entrants
Seeds
1 Rankings are as of June 20, 2011.
Other entrants
The following players received wildcards into the singles main draw: Dieter Kindlmann Kevin Krawietz Borut Puc Marcel Zimmermann
The following players received entry from the qualifying draw: Kamil Čapkovič Tiago Fernandes Leonardo Kirche Gabriel Trujillo Soler
The following player received entry into the singles main draw as a lucky loser: André Ghem
Champions
Men's singles
Daniel Brands def. Andreas Beck, 6–4, 7–6(7–3)
Men's doubles
Martin Fischer / Philipp Oswald def. Tomasz Bednarek / Mateusz Kowalczyk, 7–6(7–1), 6–3