Freshman teamed with junior Goulak for doubles crown, beat redshirt senior Hart in singles finale.
All-Bruin women's singles and doubles finals relocated from San Diego will begin at 10 a.m., PT.
Pair made doubles consolation final, while sophomore earned singles berth in Fall Championships.
Goulak and Vagramov shined in debuts, while Johnson was unbeaten in three doubles matches.
Newcomers Goulak, Vagramov will debut at Women's Collegiate Invitational in Malibu, Calif.
Event also featured debut of freshman Forbes.