INDIAN WELLS: Fifth seed Karolina Pliskova defeated American Amanda Anisimova 6-1, 7-6 (7/2) in the fourth round of the WTA Indian Wells tournament on Tuesday.
The 25-year-old Czech Pliskova blasted four aces and broke Anisimova's serve three times in the one hour, 32 minute match.
Pliskova advances to the quarter-finals where she will play either Naomi Osaka of Japan or unseeded Maria Sakkari.