Pegula breakspublished at 22:50 British Summer Time 7 September
Sabalenka 7-5 3-4 Pegula*
Aryna Sabalenka hits into the net.
Jessica Pegula gets the break.
She was 3-0 down in this second set and now leads 4-3.
This is turning into a classic.
Aryna Sabalenka beats Jessica Pegula 7-5 7-5 to win US Open title
It is a third Grand Slam singles title for world number two Sabalenka, who lost in final last year
The Belarusian successfully defended her Australian Open title in January
Sabalenka is the first woman since 2016 to win both hard-court major titles in the same year
American Pegula was competing in first major singles final
Bobbie Jackson and Marissa Thomas
Sabalenka 7-5 3-4 Pegula*
Aryna Sabalenka hits into the net.
Jessica Pegula gets the break.
She was 3-0 down in this second set and now leads 4-3.
This is turning into a classic.
Sabalenka 7-5 3-3 Pegula*
What is going on here?
Jessica Pegula looked out of this final just 15 minutes ago and she now has a huge opportunity to take control.
Sabalenka 7-5 3-3 Pegula*
Jessica Pegula seems to be getting to grips with Aryna Sabalenka's aggressive style.
The American whips a forehand into the corner as her opponent steps forward and attempts to close off the angle.
30-30.
*Sabalenka 7-5 3-3 Pegula
David Law
Commentator on BBC Radio 5 Live and BBC Sounds
Goodness me, this crowd are enjoying watching an American up against a big name in Aryna Sabalenka.
What a match we have here.
*Sabalenka 7-5 3-3 Pegula
This time it's long from the world number two.
A huge hold of serve.
*Sabalenka 7-5 3-2 Pegula
Aryna Sabalenka has to readjust as the ball skips up off the net cord and she can only land the ball just wide.
Advantage Jessica Pegula.
*Sabalenka 7-5 3-2 Pegula
Aryna Sabalenka comes out on top in the longest rally of the match - 20 shots - to make it deuce.
*Sabalenka 7-5 3-2 Pegula
Jessica Pegula lets Aryna Sabalenka back into the game with a wayward forehand into the net.
40-30.
Sabalenka 7-5 3-2 Pegula*
If we know anything about Jessica Pegula it's that she won't back down in the face of adversity.
Pegula was facing break point at a set and a break down in her semi-final against Karolina Muchova and came back to win in three sets.
The American has just been in an almost identical position.
She couldn't, could she?
Sabalenka 7-5 3-2 Pegula*
Annabel Croft
Former British number one on BBC Radio 5 Live and BBC Sounds
Suddenly Jessica Pegula's body language has shifted again, she is looking eager and energised.
Sabalenka 7-5 3-2 Pegula*
But she can't repeat that trick a second time.
Jessica Pegula breaks back.
It's game on again!
Sabalenka 7-5 3-1 Pegula*
Aryna Sabalenka saves the first.
Sabalenka 7-5 3-1 Pegula*
Just like the opening set, Jessica Pegula will not quit.
Aryna Sabalenka sends it long and Pegula has two attempts to break. 15-40.
Sabalenka 7-5 3-1 Pegula*
Aryna Sabalenka loses her footing and returns long.
15-15.
*Sabalenka 7-5 3-1 Pegula
It seems Jessica Pegula's spirit isn't completely broken.
She secures her first game of the second set.
*Sabalenka 7-5 3-0 Pegula
A solid response from the American.
Jessica Pegula wins successive points to gain advantage.
*Sabalenka 7-5 3-0 Pegula
Aryna Sabalenka really has found her groove in this second set.
She hits a forehand winner and has another opportunity to break.
Jessica Pegula walks away and hits the ball in frustration.
*Sabalenka 7-5 3-0 Pegula
A very well placed cross-court backhand, that's what.
30-15.
*Sabalenka 7-5 3-0 Pegula
Aryna Sabalenka is just three games away from her second Grand Slam of the year.
What has Jessica Pegula got left in the tank to try and stop her?
Sabalenka 7-5 3-0 Pegula*
Annabel Croft
Former British number one on BBC Radio 5 Live and BBC Sounds
Jessica Pegula's body language is shifting.
It's suddenly going a little it stroppy, a bit flat and her shoulders are dropping.
This is just going way too quickly for her. The crowd are going to try and pick her up and get the energy going again.