Vaidisova dropped the first set against Australian wild card Casey Dellacqua before charging back for a 5-7, 7-5, 6-0 victory. Vaidisova's second-round opponent Wednesday will be German Tatjana Malek, who beat Japan's Aiko Nakamura 7-5, 6-3 Tuesday.
Chinese Na Li upset seventh-seeded Austrian Sybille Bammer 6-4, 4-6, 6-4.
Exploding whale video goes viral on Internet
Jordana Brewster on Paul Walker: 'He was an enormous presence in my life'