Gough defeated UC Santa Barbara's Anne Marie Lenze, 6-2, 6-4, in the first round and San Diego State's Katey Becker in the second match, 6-4, 6-3.
Blau's route to the third round came with victories over UC Santa Barabara's Cindy Ammann, 3-6, 6-3, 6-4, and Southern California's Melissa Esmero, 6-2, 6-3.
Arizona juniors Brooke Taylor and Laresa Marino were able to score first round victories before falling short in their second matches. Taylor's victory over UC Irvine's Darian Chappell, 3-6, 6-4, 6-2, was her third victory of the weekend after recording two victories in the qualifying draw.
The Wildcats return to action Saturday morning at 9 a.m. PST for third round main draw competition with the quarterfinal matches scheduled to follow. Doubles play is slated to get underway Saturday at 3 p.m. PST.
Brooke Taylor (UA) def. Darian Chappell (UCI), 3-6, 6-4, 6-2
Maureen Diaz (USC) def. Sophie Regnier (UA), 6-4, 6-4
Lindsay Blau (UA) def. Cindy Ammann (UCSB), 3-6, 6-3, 6-4
Laresa Marino (UA) def. Zana Zlebnik (UCLA), 6-1, 7-5
Jennifer Mitchell (Loyola Marymount) def. Perrine Pernin (UA), 1-6, 6-3, 6-3
Michelle Gough (UA) def. Anne Marie Lenze (UCSB), 6-2, 6-4
Agnieszka Abram (UNLV) def. Debbie Larocque (UA), 6-2, 7-5
Blau (UA) def. Melissa Esmero (USC), 6-2, 6-3
Mhairi Brown (ASU) def. Marino (UA),1-6, 6-2, 6-4
Paola Palencia (PEP) def. Taylor (UA), 6-1, 6-0
Gough (UA) def. Katey Becker (SDSU), 6-4, 6-3