This is the 2015 Rathgaber Cup, which is the Senior "AAA" championship for the champions of Saskatchewan and Manitoba. Each province only has one registered team at the Senior "AAA" level and they will meet in a best-of-five series for the Cup and a berth in the 2015 Allan Cup. The 2015 series is being hosted by the Rosetown Red Wings between March 27th and 31st. The Manitoba entry is the South East Prairie Thunder.
Series
- Game 1 South East defeated Rosetown 5-0
- Game 2 South East defeated Rosetown 4-0
- Game 3 South East defeated Rosetown 6-3
The South East Prairie Thunder advances to the 2015 Allan Cup as the Western regional champion.