Anderson, the tournament's top seed, downed Florida's Brianna Morgan, 6-2, 6-4 in her first-round match. She will take on Geogia's Maho Kowase in the second round on Friday at 10:45 a.m. McPhillips downed Breaunna Addison of Texas, 7-5, 6-3 and will meet Auburn's Pleun Burgmans also on Friday at 10:45 a.m.
UCLA qualifier Chanelle Van Nguyen was ousted from the singles draw on Thursday, falling to North Carolina's Jamie Loeb, 7-5, 6-0.
In doubles action, qualifiers Anderson and Jennifer Brady of UCLA upset Baylor's fourth-seeded duo of Ema Burgic and Victoria Kisialeva, 8-4 in the first round. Next up is a meeting with Texas A&M's Stefania Hristov and Cristina Stancu on Friday.
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