Petra Kvitova has progressed to the fourth round of the Miami Masters with a comfortable victory over Croatian qualifier Donna Vekic.
The eighth seed got the better of her opponent 6-3 6-4 in their third-round tie on Saturday.
Kvitova was in control of the contest throughout, serving up 10 aces and winning 74% of first serve points and 73% of second serve points.
The 24-year-old will next take on Ana Ivanovic, who defeated Flavia Pennetta 6-4 6-3.
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