Riki Oshima and Jesper Klöv-Nilsson rallied for a pair of three-set wins Sunday afternoon.
Freshman Luke Vandecasteele tallied two wins in Saturday's victory over the Gauchos.
Senior Ty Gentry and sophomore Joshua Charlton were the No. 8 doubles tandem in the country coming off the fall, and their potential this spring is sky-high.
The Ducks' weekend begins Saturday at 11 a.m. (PT) against UCSB.
Oregon will now host UCSB this Saturday, Jan. 18, at 11 a.m. (PT).
Senior Ty Gentry clinched the Ducks' season opener with a straight-set victory at the No. 2 singles spot.