Almost the perfect service game for Cameron Norrie, who races into a 40-0 lead as he seeks to make Berrettini serve for the set.

He finds the net, but follows that up with a controlled backhand volley at the net.

Berrettini holds courtesy of his rocket of a forehand. He's one game away from the first set.

'Come on!' yells Cameron Norrie, whose return leaves Matteo Berrettini flat-footed for 0-15.

Norrie goes long on the next point, before another Berrettini classic finds Norrie unable to send a serve back in play. 30-15.

Image source, Getty Images

A neat forehand and a timely first serve turn things back in Cameron Norrie's favour, and the British number two seals a hard-earned hold of serve to stay in contention in the first set.

Cameron Norrie needs to cut out these double faults rather quickly.

Another leaves him 15-30 down.

John Lloyd
Former GB Davis Cup captain on BBC One

Norrie won the two points where there was a rally but there were three aces from Berrettini and one more-or-less ace. Norrie hardly touched the ball in four points.

Cameron Norrie isn't the type to give in, and fights back to 40-30 with some great returning.

But another ace and it's job done for Berrettini.

John Lloyd
Former GB Davis Cup captain on BBC One

A serve of 137mph and then a 138mph serve to follow - that's brutal. They are impossible to get back.

Norrie did suffer a sloppy early service game yesterday against Denis Shapovalov, before battling back impressively.

Matteo Berrettini is a different proposition though. Three whopping serves take the Italian to 40-0.

John Lloyd
Former GB Davis Cup captain on BBC One

When you are playing against someone with a huge serve you have to play good games on your serve but that was a sloppy game by Norrie.

He allowed his opponent to get ahead in the rallies and it's an uphill battle in this set now he's been broken so early.

Another double fault from Norrie, and Berrettini takes the early break of serve.

A disappointing game for the British number two.

Norrie double faults to give Berrettini a chance at 15-30, but the Briton's backhand brings an unforced error from the Italian.

Norrie then slaps into the net at the end of a big baseline rally, and the Italian has a break point here...

Cameron Norrie is going to clock some mileage today chasing these big hits.

The Briton isn't letting anything go, but he can't prevent Berrettini seeing out a straightforward hold.

Cameron Norrie does well to get a racquet to the opening Berrettini serve, but it's easy work for the Italian to pick a winner with the court at his mercy.

Some great defence from Norrie, returning the ball from deep, is rewarded as Berrettini hits long. 30-15...

It's going to be a case of doing the job on serve and hoping for a rare opening on Berrettini's games for Cameron Norrie.

He's made a decent start, as the Italian finds the net for 40-15 before an unforced error confirms another comfortable hold for the Briton.

Half a chance for Norrie here, as Berrettini strikes long for 30-30.

The top seed finds the baseline with a forehand down the line to avoid an awkward early situation and gets himself out of trouble with another ace.

And here is that booming Berrettini serve, delivering an ace with his first.

The Italian double faults on his next one though, before edging 30-15 ahead.

Matteo Berrettini thumps a forehand wide to hand Cameron Norrie 30-0, and a couple of powerful serves seals a hold to love for the Briton.

Nice start.

Ready?

Cameron Norrie gets things under way.