Aryna Sabalenka looked close to a Madrid Open exit, before flipping the script to defeat Japanese fan favorite Naomi Osaka in the fourth round.
The world No. 1 rallied from a set down to oust Osaka 6-7(1), 6-3, 6-2 in 2 hours, 20 minutes.
However, for much of the first hour, Osaka looked in control.
She took the opening set in a dominant tiebreak and pressured Sabalenka early in the second as the two traded heavy baseline exchanges.
"I think I just dropped my level at the end of the first set and gave her that tiebreak quite easily," Sabalenka said in her on-court interview.
From there, the match shifted.
Sabalenka settled into longer rallies, improved her depth, and began attacking Osaka's second serve. Once she leveled the match, she carried that momentum into the third set.
Playing some of her strongest tennis in months, Osaka pushed the Belarusian in ways few opponents have this season.
"Oh my God, that was incredible level," Sabalenka said afterwards. "She played incredible tennis. I feel like I just got lucky in a couple shots in the third set, that's why it went that fast."
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The win marked Sabalenka's 15th straight victory, building momentum as she chases a fourth Madrid title.
"Overall I'm happy with my performance," she said. "When someone put me under pressure, I was able to pull out really incredible shots and incredible tennis. So I'm happy. I'm happy that she actually brought that fight, just so I could fight through it, I could struggle a little bit, and find a solution in the match."
Sabalenka now faces No. 32 Hailey Baptiste in Tuesday's Madrid Open quarterfinal, live on The Tennis Channel.