Kimiko Date-Krumm worked some things out on the practice courts ahead of the tournament.
Dominika Cibulkova cracked a smile as she laced her shoes ahead of a practice session.
Christina McHale, the youngest player in the Top 100, posed on Stanford University campus.
Playing her first tournament since Wimbledon, Sabine Lisicki on Stanford University campus.
Ana Ivanovic took some time out to meet the furry mascot of the Bank of the West Classic.
Top seed and defending champion Victoria Azarenka did reflex drills before her first match.
Ayumi Morita finished strong to beat Ana Ivanovic, winning the last 12 points of the match.
Ana Ivanovic was erratic during a 63 75 first round loss to Japanese No.1 Ayumi Morita.
Daniela Hantuchova routed Japanese qualifier Rika Fujiwara in their first round match, 60 62.
Agnieszka Radwanska relaxed courtside and watched younger sister Urszula play her match.
WTA players sent their best wishes to Alisa Kleybanova as she battles Hodgkin's lymphoma.
Agnieszka Radwanska took some time out from her matches and blogging to sign some autographs.
Ana Ivanovic and ex-WTA player Peanut Harper went to a kids' book reading at Kepler's Books.
The kids were treated to a question and answer session with Ana Ivanovic, a former No.1.
Ana Ivanovic posed for photos after the Inch And Miles: The Journey To Success reading.