2003 Canadian Open (curling)
The 2003 Canadian Open curling men's Grand Slam tournament was held November 6–9, 2003 at the Keystone Centre in Brandon, Manitoba.
The total purse for the event was $100,000. The tournament format was a triple knock out with an 8 team playoff. The playoffs were televised on Rogers Sportsnet.
Glen Despins of Regina, Saskatchewan won his lone career grand slam event, earning $30,000 for his team.Teams
The teams were as follows:
| Skip | Third | Second | Lead | Locale |
| Dave Boehmer | Pat Spiring | Richard Daneault | Don Harvey |  Petersfield, Manitoba |
| Tom Brewster | Graeme Connal | Ron Brewster | Colin Campbell |  Glasgow, Scotland |
| Kerry Burtnyk | Ken Tresoor | Rob Fowler | Keith Fenton | Winnipeg, Manitoba |
| Glen Despins | Rod Montgomery | Phillip Germain | Dwayne Mihalicz |  Regina, Saskatchewan |
| Brad Heidt | Jason Jacobson | Mike Jantzen | Steve Laycock | Kerrobert, Saskatchewan |
| Guy Hemmings | Martin Ferland | Pierre Charette | Dale Ness |  Saint-Aime, Quebec |
| Glenn Howard | Richard Hart | Collin Mitchell | Jason Mitchell |  Coldwater, Ontario |
| Bruce Korte | Clint Dieno | Roger Korte | Rory Golanowski | Saskatoon, Saskatchewan |
| Kevin Martin | Don Walchuk | Carter Rycroft | Don Bartlett |  Edmonton, Alberta |
| Heath McCormick | Brent Laing | Craig Savill | Shawn Harris | Sarnia, Ontario |
| Wayne Middaugh | Graeme McCarrel | Joe Frans | Scott Bailey | Midland, Ontario |
| Kevin Park | Dale Duguid | Scott Park | Patrick McCallum |  Edmonton, Alberta |
| Vic Peters | Ryan Fry | Chris Neufeld | Denni Neufeld | Winnipeg, Manitoba |
| Paul Pustovar | Mike Fraboni | Geoff Goodland | Richard Maskel |  Hibbing, Minnesota |
| Ralph Stöckli | Claudio Pescia | Pascal Sieber | Simon Strübin |  Neuenkirch, Switzerland |
| Jeff Stoughton | Jon Mead | Garry Vandenberghe | Steve Gould | Winnipeg, Manitoba |
Knockout brackets
A Event
Scores:B Event
Scores:C Event
Scores:Playoffs
The playoff bracket was as follows:
