The two-time Wimbledon winner, who hasn’t got a major semi-final since winning the Wimbledon title in 2014, overpowered the smaller Barty in a 27-minute 1st set.
She will play unseeded Danielle Collins in the last four in Thursday following the American beat Russia’s Anastasia Pavlyuchenkova 2-6 7-5 6-1 to attain her 1st significant semi-final.
Kvitova’s success does mean Simona Halep, who lost to Serena Williams on Monday, will see her 48-week leadership as globe number 1 come to an end.
Kvitova is projected to take over from Halep currently, though Naomi Osaka, Svitolina or Karolina Pliskova could also still claim the very best spot if indeed they retain on their improvement in Melbourne.
A tearful Petra Kvitova said she did not be prepared to be “using the best” once again after attaining her first Grand Slam semi-final since getting stabbed in a blade invasion.
Kvitova needed surgery on her behalf left hands, which she takes on with, in December 2016 after being assaulted in a burglary at her residence.
She reached the 2017 US Open quarter-finals remarkably, nine a few months following the attack, but has gone one level further more right now.
Danielle Collins reached the semi-finals, having by no means won a Grand Slam main draw singles meet prior to the competition.
It was a feisty match right away as the opening two video games lasted 22 mins and saw seven break factors – including five who Collins cannot take.
Collins, who also defeated world number 2 Angelique Kerber in the fourth round for the loss of just two match games, was vocal throughout and exhibited lots of emotion on courtroom.
The American was full of energy and went on to break twice in the ultimate set, while Pavlyuchenkova won only nine points on her behalf serve in the deciding set.
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