Halle Open 2011
Philipp Kohlschreiber won the title, beating Philipp Petzschner 7–6(5) 2–0 RET in the final.
Main draw 32 players
- 2🇨🇿Tomas BerdychSemifinals · Lost to Philipp Petzschner
- 3🇫🇷Gael MonfilsSemifinals · Lost to Philipp Kohlschreiber
- 5🇷🇸Viktor TroickiQuarterfinals · Lost to Tomas Berdych
- 6🇩🇪Florian MayerQuarterfinals · Lost to Gael Monfils
- 7🇺🇦Alexandr DolgopolovRound of 16 · Lost to Philipp Kohlschreiber
- 8🇨🇦Milos RaonicQuarterfinals · Lost to Philipp Petzschner
- 🇩🇪Philipp KohlschreiberFinal · Champion
- 🇩🇪Philipp PetzschnerFinal · Lost to Philipp Kohlschreiber
- 🇦🇺Lleyton HewittQuarterfinals · Lost to Philipp Kohlschreiber
- 🇮🇹Andreas SeppiRound of 16 · Lost to Lleyton Hewitt
- 🇪🇸Daniel Gimeno TraverRound of 16 · Lost to Philipp Petzschner
- 🇷🇺Igor AndreevRound of 16 · Lost to Viktor Troicki
- 🇭🇷Ivan DodigRound of 16 · Lost to Gael Monfils
- Q🇨🇿Jan HernychRound of 16 · Lost to Tomas Berdych
- 🇩🇪Tobias KamkeRound of 16 · Lost to Milos Raonic
- 🇹🇼Yen Hsun LuRound of 16 · Lost to Florian Mayer
- 🇰🇿Andrey GolubevRound of 32 · Lost to Daniel Gimeno Traver
- Q🇩🇪Cedrik Marcel StebeRound of 32 · Lost to Philipp Kohlschreiber
- LL🇩🇪Dominik MeffertRound of 32 · Lost to Philipp Petzschner
- WCJAMDustin BrownRound of 32 · Lost to Florian Mayer
- Q🇫🇷Florent SerraRound of 32 · Lost to Gael Monfils
- 🇫🇮Jarkko NieminenRound of 32 · Lost to Yen Hsun Lu
- 🇩🇪Julian ReisterRound of 32 · Lost to Tobias Kamke
- LL🇦🇷Leonardo MayerRound of 32 · Lost to Lleyton Hewitt
- WC🇩🇪Mischa ZverevRound of 32 · Lost to Viktor Troicki
- 🇪🇸Pablo AndujarRound of 32 · Lost to Milos Raonic
- 🇪🇸Pere RibaRound of 32 · Lost to Ivan Dodig
- 🇮🇹Potito StaraceRound of 32 · Lost to Igor Andreev
- 🇳🇱Robin HaaseRound of 32 · Lost to Alexandr Dolgopolov
- Q🇧🇪Ruben BemelmansRound of 32 · Lost to Tomas Berdych
- 🇺🇦Sergiy StakhovskyRound of 32 · Lost to Jan Hernych
- WC🇩🇪Tommy HaasRound of 32 · Lost to Andreas Seppi