Course
Cog Hill Golf & Country Club (Dubsdread Course)
Open to the public
Champions crowned here
| Year | Championship | Winner |
|---|---|---|
| 2011 | BMW Championship | Justin Rose |
| 2010 | BMW Championship | Dustin Johnson |
| 2009 | BMW Championship | Tiger Woods |
| 2007 | BMW Championship | Tiger Woods |
| 2006 | Cialis Western Open | Trevor Immelman |
| 2005 | Cialis Western Open | Jim Furyk |
| 2004 | Cialis Western Open | Stephen Ames |
| 2003 | Western Open | Tiger Woods |
| 2002 | Advil Western Open | Jerry Kelly |
| 2001 | Advil Western Open | Scott Hoch |
| 2000 | Advil Western Open | Robert Allenby |