Fessenden allowed only one hit in the first game, in the seventh inning. She struck out five and walked one.
Fessenden and Holly Wydek had two hits apiece for Oakridge, which remains unbeaten with a 4-0 record.
In the nightcap, Fessenden scattered six hits and struck out five. Madison Dutton led the Eagle offense with two hits and three RBIs while Fessenden and Abby Lowe had two hits apiece.