Postpublished at 05:27 Greenwich Mean Time 24 January 2019
Osaka 1-1 Pliskova*
The second gone as Osaka fails to return a serve into the body cleanly.
Deuce.
But advantage Osaka with another double-handed backhand winner.
Rafael Nadal beats Stefanos Tsitsipas 6-2 6-4 6-0 to reach Sunday's final
2009 winner Nadal will bid for second Australian Open title
Novak Djokovic and Lucas Pouille semi-final on Friday
Naomi Osaka beats Karolina Pliskova to reach Saturday's women's final
Osaka will face Petra Kvitova after Czech defeated Danielle Collins
Michael Emons and Saj Chowdhury
Osaka 1-1 Pliskova*
The second gone as Osaka fails to return a serve into the body cleanly.
Deuce.
But advantage Osaka with another double-handed backhand winner.
Osaka 1-1 Pliskova*
One gone as Osaka goes for glory with a forehand but finds the net.
Osaka 1-1 Pliskova*
Double fault.
15-40.
Miss-kova.
Osaka 1-1 Pliskova*
Pliskova is 6ft 1in so anything low and flat from her opponent will be annoying.
Osaka is hitting them low and flat.
15-30.
Osaka 1-1 Pliskova*
Another good serve brings up advantage once again before Pliskova goes long - it's challenged, but the challenge fails.
One all.
*Osaka 0-1 Pliskova
Big serve. Advantage.
Osaka has a second serve but then sends Pliskova's return long.
Deuce again.
*Osaka 0-1 Pliskova
It's 30s each after Pliskova goes long before Osaka rockets one down the T for the first ace of the match.
40-30.
Will she convert?
Not yet as Osaka goes long.
Deuce.
*Osaka 0-1 Pliskova
0-15.
Double fault.
0-30.
Power, power, power - a double-handed backhand is far too good for Pliskova.
15-30.
*Osaka 0-1 Pliskova
Saved with a big serve.
Deuce.
Another Pliskova special gives her advantage before Osaka goes an inch long with a forehand return.
The Czech player survives a little scare.
Isaac Farnworth: Absolutely remarkable from #Kvitova, external. Would be such an amazing end to a a crazy couple of years for her if she can bring the title home on Saturday.
Osaka 0-0 Pliskova*
This is a bit like two titanic lumberjacks going at it in the world lumberjacks championships.
Big striking from both.
A double fault from Pliskova brings up 30-40 and break point...
Osaka 0-0 Pliskova*
Pliskova to serve.
Osaka v Pliskova
It's a swift turnaround on Rod Laver - Naomi Osaka and Karolina Pliskova are already warming up.
Britain's Neal Skupski and Maria Jose Martinez Sanchez got on the board in the second set but they have lost their mixed doubles semi-final.
Skupski and Spaniard Martinez Sanchez were beaten 6-0 6-4 by Czech Barbora Krejcikova and USA's Rajeev Ram.
Osaka v Pliskova
It is 2-1 to Pliskova so far.
They last met in the final in Tokyo in 2018 where Pliskova won. Osaka beat the Czech player at Indian Wells earlier that season.
Osaka v Pliskova
Right you two, you've had your fun, Collins less so.
Time for the animated Naomi Osaka against the less animated Karolina Pliskova.
The US Open champion v the player who overcame Serena Williams in the quarters.
Win Predictor, who do you fancy? Win Predictor? Are you there? Hello?
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Australian Open finalist Petra Kvitova: "It means everything to be in the final. I worked very hard to be in finals of tournaments.
"I will really enjoy the final. Whatever happens I'm really, really happy.
"The first set I was really nervous. I didn't have a full swing. I actually was happier than the fans when the roof closed. I like playing indoors.
On facing either Karolina Pliskova or Naomi Osaka in the final: "They are both great. Karolina had a great match against Serena Williams and Osaka is playing well. Karolina is the bigger server."
Silvio Di Fede: That amazing winner during the third point in the tiebreak changed the game.
*Kvitova 7-6 (7-2) 6-0 Collins
Kvitova's done it as she hits a forehand winner.
She's into her first Grand Slam final since the knife attack two years ago.
Magnificent from the Czech star.