Postpublished at 10:43 GMT 31 January
Sabalenka 4-6 6-4 3-2 Rybakina*
Now it's Elena Rybakina's turn again to feel the heat on serve - 30-30...
Elena Rybakina beats Aryna Sabalenka 6-4 4-6 6-4 to win Australian Open
Fifth seed Rybakina claims second Grand Slam title after 2022 Wimbledon triumph
World number one Sabalenka suffers third loss in past four Grand Slam finals
Rybakina will rise to third in world rankings
Phil Cartwright, Harry Poole and Millie Sian
Sabalenka 4-6 6-4 3-2 Rybakina*
Now it's Elena Rybakina's turn again to feel the heat on serve - 30-30...
Sabalenka 4-6 6-4 3-2 Rybakina*
Pat Cash
Former Wimbledon champion on BBC Radio 5 Live
Elena Rybakina is playing her first-serve returns perfectly now.
Aryna Sabalenka hit three good first serves but she replied with three really good returns. That makes all the difference because you cannot just rely on making the second serves.
When the ball is at the back of the court it is 50/50 because they are both great ball-strikers. There are little margins here.
Sabalenka 4-6 6-4 3-2 Rybakina*
Wowzers.
Aryna Sabalenka bins a forehand into the net and Elena Rybakina has that break back.
Much better from Rybakina, who took a more aggressive approach than we've seen in the second and third sets - and it paid off.
Image source, Getty Images*Sabalenka 4-6 6-4 3-1 Rybakina
A backhand winner down the line, two break-back points for Elena Rybakina.
*Sabalenka 4-6 6-4 3-1 Rybakina
Annabel Croft
Former British number one on BBC Radio 5 Live
Aryna Sabalenka is starting to fire up in this match.
There has been a big change in the way she is carrying herself, her body language, her energy and her ball-striking - it is all coming together at just the right time.
There is a very worried look on coach Stefano Vukov's face.
*Sabalenka 4-6 6-4 3-1 Rybakina
Elena Rybakina might have been fearing the worst when Aryna Sabalenka gets to 30-30 with another superb backhand cross-court winner, but the Kazakh fifth seed pulls out a couple of big serves to end a run of five successive Sabalenka games.
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This is what absolute champions do. Sabalenka is proving why it is more physical strength that counts. You would be a fool to not back her from here.
Jon, Harborne
Sabalenka 4-6 6-4 3-0 Rybakina*
A few signs of tension early in that game from Aryna Sabalenka but the world number one found her range again from break point down.
She's edging closer to a third Australian Open title.
Image source, Getty Images*Sabalenka 4-6 6-4 2-0 Rybakina
Big forehand winner put away. Massive roar from Aryna Sabalenka.
Deuce.
*Sabalenka 4-6 6-4 2-0 Rybakina
Jonathan Jurejko
BBC Sport tennis news reporter in Melbourne
Rybakina wobbled. She landed only one first serve in that potentially-decisive second game, seeing Sabalenka swarm over her second serve.
That is a stark contrast to the opening set and indicative of how this match has got away from the 2022 Wimbledon champion.
*Sabalenka 4-6 6-4 2-0 Rybakina
Not the best service game from Aryna Sabalenka and Elena Rybakina has a chance to break straight back...
*Sabalenka 4-6 6-4 2-0 Rybakina
Pat Cash
Former Wimbledon champion on BBC Radio 5 Live
Elena Rybakina just couldn't find her first serves in that game - she only made one.
Her second serve was very effective in the first two sets, but Aryna Sabalenka has got a hold of them now. She has got her eye in on them.
Image source, Getty Images*Sabalenka 4-6 6-4 2-0 Rybakina
For the first time in this final, Aryna Sabalenka has the advantage.
*Sabalenka 4-6 6-4 2-0 Rybakina
Pat Cash
Former Wimbledon champion on BBC Radio 5 Live
Speaking just before Sabalenka's break of serve...
I don't often give too much credence to who serves first, but I think it could matter today.
This final has that feeling about it. Aryna Sabalenka will constantly have the lead in this decider, if she holds serve, which will add a bit of pressure on Elena Rybakina.
*Sabalenka 4-6 6-4 2-0 Rybakina
Another backhand return winner down the line and Aryna Sabalenka strikes the first blow in the deciding set!
Image source, Getty ImagesSabalenka 4-6 6-4 1-0 Rybakina*
Aryna Sabalenka pounces on a couple of second serves to get to 30-30 in Elena Rybakina's first service game in the deciding set.
The world number one then outlasts Rybakina in a lengthy rally and has a break point.
Sabalenka 4-6 6-4 1-0 Rybakina*
Aryna Sabalenka holds serve without alarm and, in terms of sets and games, leads for the first time in this Australian Open final.
She was 30-0 up in the opening game before losing her serve - the only time she's been broken in this match.
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Come on Elena, just play Aryna at her own game and watch the dramatics unfold!
Johan, Southampton
*Sabalenka 4-6 6-4 0-0 Rybakina
Our very unscientific method of gathering your thoughts on who will win this match has Aryna Sabalenka marginally the favourite.
The Belarusian world number one will serve first in the decider.
*Sabalenka 4-6 6-4 0-0 Rybakina
Aryna Sabalenka has been back on court for a while. Still waiting for Elena Rybakina to return.
Ah, here she is.
The third set will be starting shortly.
Image source, Getty Images