The 2003 Rathgaber Cup decided the West region's participant in the 2003 Allan Cup.
Qualified teams[]
- Ile des Chenes North Stars (Pattison Cup champions)
- Lloydminster Border Kings (Provincial champions)
Series[]
Best-of-5
March 26-28 @ Lloydminster
- Game 1---Ile-des-Chenes defeated Lloydminster 5-2
- Game 2---Ile-des-Chenes defeated Lloydminster 5-4
- Game 3---Ile-des-Chenes defeated Lloydminster 6-2
- Ile des Chenes North Stars move on to the 2003 Allan Cup.