It feels like a long time ago now that Damir Dzumhur was constantly moaning in the direction of his coach.

But there is a message sent that way from the Bosnian as he gets the hold.

Damir Dzumhur is on the verge of a comfortable hold at 40-15 but Carlos Alcaraz forces his way back into the equation at deuce.

Carlos Alcaraz finds a couple of winners and gets the hold.

A big moment for the Spaniard.

They exchange points. 30-30.

Carlos Alcaraz whips a forehand down the line to move within a point of holding but then follows by going long.

This is getting tense.

Carlos Alcaraz makes Damir Dzumhur work for it but the Bosnian keeps his nerve to hold.

A massive service game on the way for Alcaraz.

Damir Dzumhur takes a leaf out of Carlos Alcaraz's book and goes on the front foot to defend the first.

Carlos Alcaraz spurns his second and third chances by firing into the net.

Carlos Alcaraz needs to hit back immediately.

The Spaniard has three break back points.

Can he make them count?

A reminder that Damir Dzumhur has never been beyond the third round at the French Open in six previous attempts and has failed to get beyond the first round of qualifying in each of the past four years.

The Bosnian has now taken a set off the defending champion and has a real foothold in this match.

Annabel Croft
Former British number one on BBC Radio 5 Sports Extra 2 and BBC Sounds

Carlos Alcaraz is fuming.

I think he has lost his way in this match. It's incredible how it has been wrestled out of his control.

The whole momentum of the match has changed.

This is getting very interesting.

Carlos Alcaraz tries to go down the line but it lacks power and Damir Dzumhur slams it into the far corner to break.

Carlos Alcaraz is the one lacking consistency now and he has been for the past four or five games.

Annabel Croft
Former British number one on BBC Radio 5 Sports Extra 2 and BBC Sounds

Carlos Alcaraz's footwork is not what it was.

It feels like there has been a balance shift between the two of them.

Alcaraz has lost his focus and errors are just leaking everywhere.

Carlos Alcaraz saves the first and then takes on a risky double-hander down the line. It pays off as it kisses the paint to get back to deuce.

Carlos Alcaraz dropped a set in the previous round, although it was the second rather than the third, but still had more than enough to get the job done in four.

Should we expecting the same here?

Maybe not. The momentum remains with Damir Dzumhur who has two break points.

Annabel Croft
Former British number one on BBC Radio 5 Sports Extra 2 and BBC Sounds

Wow, that has taken my breath away.

Damir Dzumhur has worn his heart on his sleeve and I have enjoyed watching him grow, it has made it a real match.

It's become a little bit dangerous for Carlos Alcaraz.

Carlos Alcaraz hits into the net and Damir Dzumhur has taken a set off the defending French Open champion.

Who saw this coming after Alcaraz raced through the opening two sets?

Damir Dzumhur saves break point for a third time in this game.

And once again he has the chance to close out this set - the crowd certainly seem to be on his side as they roar him on.

Carlos Alcaraz still looks fresh, however, and he's refusing to let this set go that easily. A stunning shot down the line followed by a beautiful cross-court winner on the slide throws the momentum in his favour.

Damir Dzumhur is breathing heavily but his hard work pays off as he moves to advantage and has set point.

On the ropes, Damir Dzumhur responds well.

He saves the second break point with some tidy net play.