Twelfth seed Nicole Vaidisova lost to Russian qualifier Alisa Kleybanova 6-4 6-0 in the second round of the Sony Ericsson Open.
Kleybanova, ranked 83rd in the world, demolished world No.15 Vaidisova with the help of a 70 first serve percentage, an 80 first serve points won percentage, a 69 second serve points won percentage, and thirteen aces.
The 18-year-old Kleybanova will next face compatriot Vera Zvonareva, who is seeded 19th in Miami.
