Marika Kobayashi, a four seed in the tournament, defeated Sydney Postal of Cal State LA 6-1, 6-2 and Marietta Tuionetoa, the five seed, took down Regina Von Koch from Point Loma 6-1, 6-2. Both Seasiders had first round byes heading into the match.
Kobayashi and Tuionetoa also won their doubles match 8-1 against the Kotterheinrich-Quan duo from Azusa Pacific.
On the men's side, one seed Yevhen Zakharaov won 6-1, 6-1 over Kevin Kelligan from Point Loma. Martin Chojnacki, the two seed, was also victorious in his match against Holy Names' Brook Workeneh, 7-5, 7-5.
In doubles, Zakharov and Chojnacki won 8-6 over Roberts and Holbrook from Sonoma State.
The ITA Regionals continue Friday and Saturday.