Eighth seed Carla Suarez Navarro was an easy opening-round winner Tuesday at the $795,000 Southern California Open.

The nifty Spaniard handled Japanese qualifier Sachie Ishizu 6-4, 6-3 on the hardcourts at La Costa Resort and Spa.

An all-American Day-2 affair saw qualifier Coco Vandeweghe rout Allie Kiick, 6-1, 6-2.

Kazakhstani qualifier Sesil Karatantcheva straight-setted German Julia Goerges 6-3, 7-5, while Poland's Urszula Radwanska held off qualifier Marina Erakovic of New Zealand 7-6 (7-3), 6-4.

Laura Robson of Great Britain ousted Japan's Ayumi Morita, 4-6, 7-6, 6-2, and Slovakia's Daniela Hantuchova needed just 48 minutes to whip Tamira Paszek in straight sets, 6-0, 6-0 to advance.

This week's top seed is 2013 Australian Open champion and 2012 U.S. Open runner-up Victoria Azarenka.

Slovakian Dominika Cibulkova, fresh off her title last week in Stanford, topped reigning Wimbledon champ Marion Bartoli in last year's Carlsbad finale.

This week's winner will claim $125,000.