2011 Gerry Weber Open
- ️Sat Mar 05 2016
The 2011 Gerry Weber Open was a men's tennis tournament played on outdoor grass courts. It was the 19th edition of the event known that year as the Gerry Weber Open and was part of the ATP World Tour 250 series of the 2011 ATP World Tour. It took place at the Gerry Weber Stadion in Halle, Germany, between 6 June and 12 June 2011. Unseeded Philipp Kohlschreiber won the singles title.
Philipp Kohlschreiber defeated Philipp Petzschner 7–6(7–5), 2–0 ret.
- It was Kohlschreiber's 1st title of the year and 3rd of his career. It was the first all-German final since Los Angeles in 2004.
Rohan Bopanna / 
Aisam-ul-Haq Qureshi defeated 
Robin Haase / 
Milos Raonic, 7–6(10–8), 3–6, [11–9]
- Seedings are based on the rankings of May 30, 2011.
The following players received wildcards into the singles main draw:
The following players received entry from the qualifying draw:
Main article: 2011 Gerry Weber Open – Singles qualifying
The following players received wildcards into the singles main draw:
- ^ "2009 Halle – Singles results". Association of Tennis Professionals (ATP).
- ^ "2009 Halle – Doubles results". Association of Tennis Professionals (ATP).
- ^ a b "Federer trifft zum Auftakt auf Titelverteidiger Hewitt". Gerry Weber Open. Archived from the original on 2016-03-05. Retrieved 2011-06-04.
- ^ "Roger Federer pulls out of tournament". ESPN. 6 June 2011. Retrieved 6 June 2011.
- Official website Archived 2008-06-23 at the Wayback Machine