Cougars next in action Oct. 18-21 at ITA Regionals at Stanford, Calif.
Rifanty Kahfiani and Julia Eshet each went unbeaten in singles play while Oregon got productive days from a trio of freshmen.
Yang Lee reaches B Flight final in first tournament of the fall.
Rifanty Kahfiani and Julia Eshet each won both their doubles and singles matches.
Cougars win 11 of 12 matches on the first day.
The freshman trio of Uxia Martinez Moral, Lillian Mould and Myah Petchey swept through their matches in their first collegiate action as Oregon went 6-2 in singles play and 3-1 in doubles on day one of the Husky Invitational.