Lleyton Hewitt was the defending champion, but lost to Philipp Kohlschreiber in the quarterfinals.

Kohlschreiber won the tournament, defeating Philipp Petzschner in an all-German final, the first in the tournament's history, after Petzschner retired in the second set at a score of 7–6, 2–0.

Seeds

Qualifying

Draw

Key

Finals

Top half

Bottom half

External links

  • ATP main draw
  • ATP singles results

Gerry Weber Open 2011

Gerry Weber Open 2011

Gerry Weber Open 2011

Gerry Weber Open 2011

Gerry Weber Open 2011