Azarenka fights back to top qualifier Krunic

Trailing against a woman trying to become the first qualifier in the US Open quarterfinals since 1981, Victoria Azarenka needed every ounce of her experience and skill to advance.

Twice a major champion and twice a runner-up at Flushing Meadows, Azarenka took four of the last five games on Monday night to come back and win 4-6, 6-4, 6-4, ending the surprising, out-of-nowhere run by 145th-ranked Aleksandra Krunic of Serbia.

"Obviously, I didn't have a lot of data on her," the 16th-seeded Azarenka said about her 1.63-meter opponent. "I was a little bit surprised that she's not that tall and she hits the ball and unleashes her forehand with so much power."