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A lovely rally ends the game but Dolehide's attempt at a winner down the line failed to come off.

Gauff is looking composed on her serve. It's now up to Dolehide to make an impact.

We’re late in the day now and everyone is starting to tire after thousands of steps on the counter.

There is still business to attend to here on court 15 as Sonay Kartal battles away to get back into this match.

Image source, BBC Sport

Gauff’s backhand is a genuine weapon but when she has time on that forehand she is super aggressive.

You have to be sure that if you are going to both wings, you have to have quality.

Caroline Dolehide has managed to hold her first game despite some clever play by Gauff, including a lovely smash.

The US Open champion took us to deuce from 40-0 down, but Dolehide hit a winner down the line before Gauff went slightly too long.

Both players up and running.

Jannik Sinner has been pushed on serve for most of the second set, but not this time.

The Italian holds to love as Yannick Hanfmann goes long and the world number one is a set away from round two.

Image source, Reuters

One of the areas we feel Jannick Sinner is going more into the net and working on that transition game to have a better feel around the net.

He has been really doing that work on the court and it is showing.

He is playing volleys in the right direction, he is picking the right spots and where to play them as well.

Gauff wins to love with some wonderful serving that keeps points relatively short.

Dolehide is yet to really get going.

David Beckham and his mum are back in the front row of the Royal Box, which sits largely empty as I imagine most people have gone to get some dinner after Emma Raducanu's win.

Coco Gauff looks riled up and ready to race through this match after claiming an early break.

Yannick Hanfmann holds with an ace down the middle.

It's over to Jannik Sinner after the changeover, he'll be serving for a two-set lead.

Coco Gauff is not messing about. She's 1-0 up.

Caroline Dolehide goes long and Gauff is on the scoreboard.

You don’t have to look far to find another Brit in action as Sonay Kartal is up against it in the first set against Sorana Cirstea on court 15.

With the limited number of seats full, a number of people are lining the footpaths to cheer on Kartal.

Image source, BBC Sport

We're ready for today's final match on Centre Court.

Exactly five years ago, a 15-year-old Gauff inflicted a famous Wimbledon defeat on five-time champion Venus Williams.

Now she's a Grand Slam champion, having won in New York last year, and she enters the Championships as the second seed.

Not a bad career progression, eh?

As always, you can watch at the top of the page, former British number one Sam Smith is on commentary.

Solid hold for Yannick Hanfmann to keep himself just one break down in the second set.

Jannik Sinner is able to exert some pressure on the German's serve but no more than he has faced himself in his past couple of service games.

It's been five years since five-time Wimbledon champion Venus Williams suffered a famous defeat at the hands of a 15-year-old Coco Gauff.

The win hurled Gauff - ranked 313th at the time - into the limelight and she went on to have an incredible run that year, reaching the last 16.

She claimed a long-predicted first Grand Slam title at last year's US Open and arrives at SW19 this year as the second seed.

But Gauff has not been able to better her magical 2019 run at Wimbledon, falling at the first hurdle last year to compatriot Sofia Kenin.

"Coco is a fighter," says former British player Naomi Broady. "She is a Grand Slam champion now and she did that at home - that is probably the toughest one for her to win with all the expectations and pressure."

The Jannik Sinner serve is under threat again but he saves another break point by whipping a forehand winner down the line.

Yannick Handfmann continues to push and creates another break point which is shut down by a Sinner's big serve.

A clever drop shot makes it advantage Sinner and another hefty serve secures the hold.

A first-round exit to fellow American Sofia Kenin made last year's Wimbledon one to follow for Coco Gauff.

But it is fair to say the 20-year-old has bounced back since then, winning the US Open and reaching the last four at both the Australian Open and Roland Garros this year.

Gauff will be eyeing a second Grand Slam title but has never gone beyond the fourth round at SW19.

After last year's shock loss, it is another all-American encounter to start for Gauff with Caroline Dolehide standing between her and a place in the second round.

Dolehide made it to the quarter-finals in Birmingham but has lost both previous matches against Gauff and has never won at Wimbledon.

Image source, Getty Images

• Emma Raducanu begins her Wimbledon campaign with a 7-6 6-3 win over Renata Zarazua
• Carlos Alcaraz starts the defence of his men's title with a straight-set win over Mark Lajal on Centre Court
• Daniil Medvedev, Casper Ruud, Grigor Dimitrov, Naomi Osaka and Jasmine Paolini are among the first-round winners on day one
• Great Britain's Heather Watson, Charles Broom, Liam Broady and Arthur Fery are beaten but Lily Miyazaki joins Raducanu in round two
• Aryna Sabalenka and Victoria Azarenka pull out of Wimbledon because of shoulder injuries
• Andy Murray says he is likely to make a decision on his participation in the men's singles later on Monday

A moment of concern for Jannik Sinner as he slips after being wrong-footed by Yannick Hanfmann and clutches the right hip which has troubled him this year.

He is up again and indicates that he is OK but that is one to keep an eye on.

The Italian remains firmly on top, both in this set and the match, but it could have been different had Hanfmann been able to convert any of his three break points in Sinner's last service game.

As it was, he was no match for the world number one's big serving and Sinner remains a break up.

And here's the match point...