Czech fourth seed Petra Kvitova cantered into the last 16 of the French Open with a 6-3 6-2 win against Romanian Irina-Camelia Begu on Saturday.
The double Wimbledon champion, a semi-finalist on the Roland Garros clay in 2012, had too much power for the 30th seed, who could not muster a break point on court Philippe Chatrier.
Kvitova made only nine unforced errors in a polished performance, winning the last seven points.
She faces either American 16th seed Madison Keys or Swiss 23rd seed Timea Bacsinszky for a place in the quarter-finals.
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