|Australian Open 2019|
|Venue: Melbourne Park Presents: 14-27 January|
|Coverage: Daily live commentaries on the BBC Sport website, listen to Tennis daily by 07:00 GMT on BBC Radio 5 live sports Excess and watch highlights on BBC TV and online.|
Czech Kvitova, seeded eighth, dominated a tie-break to win a tight first set, in the roof had been closed in 4-4.
The two-time Wimbledon champion, 28, controlled the moment since Collins, 25, grew defeated.
Kvitova won 7-6 (7-2) 6-0 and will meet Naomi Osaka or Karolina Pliskova.
Victory to get Pliskova against the US Open champion later on Thursday would put an all-Czech last for the first time in some women’s singles at a Grand Slam.
A barbarous forehand winner sealed victory on Kvitova’s very first match point as she realized her first Australian Open final.
“This means everything, which is why I work extremely hard – to be in one last at a Grand Slam,” she said.
“Finally, I left it deep to some major. Anything happens in the final I’m quite satisfied.”
More to follow.