Giuliana Olmos, a USC senior from Fremont in the San Francisco Bay Area, upset second-seeded Stephanie Wagner of Miami 4-6, 7-6 (4), 6-3 on Friday in the first round of the inaugural Oracle/ITA Masters in Malibu, Calif.
Olmos, ranked 10th nationally, fought off a match point in the second set. Wagner, a senior from Germany, is ranked sixth. She reached the NCAA singles semifinals in Waco, Texas, in May.
Olmos will face Haley Carter of North Carolina in today's quarterfinals. Carter defeated Ronit Yurovsky of Michigan 6-4, 7-6 (4).
Top-seeded Maegan Manasse of Cal defeated Kiah Generette of Baylor 7-5, 6-4. Manasse, a junior from Redondo Beach, Calif., will meet Luisa Stefani of host Pepperdine. Stefani beat Astra Sharma of reigning NCAA champion Vanderbilt 4-6, 7-5, 7-5.
Klara Fabikova of Cal lost to Joana Eidukonyte of Clemson 6-4, 6-7 (4), 6-2.
In the first round of the eight-team doubles event, top-seeded Manasse and Denise Starr crushed Sinea Lohan and Wagner 6-1, 6-0.
Also, Olmos and Gabby Smith outclassed Saska Gavrilovska and Rachel Pierson of Texas A&M 6-2, 6-3.