Sophia Korynta netted a power play goal at 10:34 of the first period with an assist from Cadence Ellingson. Fergus Falls tied the game with a shorthanded goal by Hannah Johnson, assisted by Gabby Brimhall.
The Cardinals scored a pair of goals within a minute of each other to increase their lead to 3-1. Lauren Maras scored from Hanley Block and MaKenna Aure at 3:43 and Peyton Boesl scored from Kennedy Ellingson and Lauren Rebrovich at 4:42. Rylynn Krein cut the lead to 3-2 at 9:05 with an assist from Lizzy Moxness.
A power play goal by Kennedy Ellingson at 13:18 of the third period was assisted by Riley Nyberg and Peyton Boesl.
Alexandria (5-6-1) will host Bemidji at 1:15pm Saturday.
Fergus Falls (12-2-1) will play at St. Cloud on Tuesday.