Miami: World No.2 Aryna Sabalenka powered to her fifth quarterfinal of the season after overpowering No.16 seed Barbora Krejcikova 6-3, 6-2 in the fourth round of the Miami Open on Monday. Sabalenka will face Romania's Sorana Cirstea on Wednesday. Sabalenka went unbroken in the match and faced just one break point. One serve break, which occurred on the first break point of the match, decided the 34-minute first set.
Serving with the score at 3-2, 30-30, Krejcikova hit her first double-fault of the match, and Sabalenka broke to take the lead for good at 4-2 after the Czech's backhand slice into the net. Three games later, Sabalenka wrapped up the set by completing with 12 winners to 7 unforced mistakes while limiting Krejcikova to just one winner off the ground.
Sabalenka continued to play the same way in the second set. The defending Australian Open champion was unbeatable on a night when she served at 70% first serves in and lost just 10 points on her serve. Krejcikova double-faulted twice on break points to hand Sabalenka a double-break lead and she closed out the 56-minute win with ease.