Kvitova overcame Wozniacki 3-6, 7-6 (3), 7-5 in 2 1/2 interesting hours, and will play Garbine Muguruza in a final.
Muguruza modernized when her scheduled opponent, second-ranked Simona Halep, withdrew from a contest on Friday since of a right feet injury.
A win on Sunday could lift Kvitova, ranked 21, behind inside a tip 10. The Czech star, a two-time Wimbledon champion and once ranked No. 2, took an extended mangle after being stabbed by a knife-wielding criminal during her home in Dec 2016. After winning in St. Petersburg, Russia, this month, and dual Fed Cup singles, she’s on a second-best winning strain of her career.
Kvitova kick Wozniacki for a eighth time in 13 matchups, including a past four.
But Wozniacki done a using for a initial set and a half.
Wozniacki had a possibility to offer out a compare in a second set during 5-4 and 6-5. But both times Kvitova pennyless right back. She was 3-1 down again in a tiebreak, though reeled off 6 true points to force a third set.
In a third, Wozniacki done a essential reason in a seventh diversion after double-faulting during 30-all.
It was afterwards Kvitova’s spin to puncture low in a subsequent game, when she double-faulted twice to go down 15-30 though also managed to reason her serve.
A overwhelming lapse shot won Kvitova a ninth diversion and gave her an event to offer for a win, though Wozniacki pennyless behind to turn during 5-5. Kvitova, however, pennyless right back, and finally served out a set and match. She strike 50 winners to 14 by Wozniacki.
“I don’t know what happened,” Kvitova said. “I felt like we was crazy a small bit in my mind and we was personification it everywhere, solely for a court. we was only perplexing to ease down in a second set. we was only perplexing to wait for that opportunity.
“In a tiebreak when we was down 3-1, we was only unequivocally indignant with myself so we only attempted to strike some winners. That’s how that ended.”
Wozniacki was unhappy during unwell to offer out a compare twice in a second set.
“She has a formidable diversion to play opposite when she’s on, though as good when she isn’t, since we don’t get any stroke and we know that eventually she’s going to start attack those balls in and we need to be prepared for it,” she said.
Kvitova has a 3-1 record opposite fourth-ranked Muguruza, including winning their final match, in a US Open fourth round.