2005 Manitoba Saskatchewan Senior Playoff

The 2005 Rathgaber Cup decided the West region's participant in the 2006 Allan Cup.

Qualified teams

 * Ile des Chenes North Stars (Pattison Cup champions)
 * Midwest Islanders (Provincial champions)

Series
Best-of-5

April 6, 7, & 8 at Paradise Hill, SK
 * Game #1 Midwest Islanders defeated Ile des Chenes North Stars 5-4
 * Game #2 Midwest Islanders defeated Ile des Chenes North Stars 5-4
 * Game #3 Midwest Islanders defeated Ile des Chenes North Stars 3-2


 * Midwest Islanders move on to the 2005 Allan Cup.