USC's Giuliana Olmos, a senior from Fremont in the San Francisco Bay Area, and Gabby Smith defeated Mami Adachi and Aldila Sutjiadi of Kentucky 6-2, 6-2 on Sunday to win the women's doubles title in the inaugural Oracle/ITA Masters in Malibu, Calif.
Both teams were unseeded.
Olmos and Smith never lost more than three games in a set in their three matches.
"We came in with not many expectations and just tried to get off to a fast start in every match," Olmos said on itatennis.com.
Fourth-seeded Danielle Collins of Virginia won the women's singles title by walkover. Unseeded Hayley Carter of North Carolina was unable to play after suffering a wrist injury on Saturday.
Collins captured last year's NCAA title, beating Cal's Lynn Chi in the final in Athens, Ga.
Cameron Norrie of Texas Christian won the Oracle/ITA Masters men's singles title with a 6-3, 7-6 (2) victory over Nicolas Alvarez of Duke. Both players were unseeded.
In the men's doubles final, second-seeded Luca Corinteli and Ryan Shane of NCAA champion Virginia topped unseeded Guilherme Hadlich and Gabriel Sidney of Pepperdine 7-5, 6-4. Shane won the NCAA singles title in May in Waco, Texas.