Jide Yusuf: Things can change quickly, I hope Konta will keep her nerve today and begin her real journey to the top of female tennis. 

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Now then. We have a match!

A bit of pressure on the Konta serve yields results for Wozniacki. The Dane wins her first break point when she forces Konta into a wild double-handed backhand which flies well wide.

And she takes it as Konta, stooping to her knees, plays a similar shot to the previous shot crashes into the mesh.

I'd love to tell you the gist of the Wozniacki father-daughter chinwag. Unfortunately my Polish is not up to scratch. The words 'wake' and 'up' could well have been used.

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Wozniacki needs to hold - and fast. She might as well write off this set if she coughs up this game. 

The 14th seed is under pressure at 30-30 as she continues to struggle to find her feet. Then a whopping serve down the middle is reached by Konta but can't be directed, then another big serve helps her onto the scoreboard.

She isn't happy though. On comes dad - her coach Piotr - for a chat at the changeover.

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A sniff of a chance for Wozniacki as she catches out Konta with a slower - perhaps mishit -return. The Briton trails 15-30, then sticks her foot on the pedal. Wozniacki still allows Konta to pick her shots - and that she does. A sizzler of an ace down the middle seals the hold.

What a start! Nerves? What nerves? Jo Konta looks as cool as a cucumber as she breaks Wozniacki's serve to love in the opener. 

The Dane has no answer to Konta's power. Konta pins her back behind the baseline on the first break point, Wozniacki only able to clip a forehand high and wide.

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"Time," comes the announcement over the umpire Kader Nouni's microphone. He's the one who sounds like Barry White.

Jo Konta takes a good glug of cool water, Caroline Wozniacki mops her brow with a white towel.

The Dane has a ball in her hand. She gets things rolling....

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Caroline Wozniacki, having already won 25 career singles titles, knows what it takes to reach a final.

Here's how she has done it in Miami...

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Johanna Konta eased through the first few rounds in Miami - then the workload got even harder.

But Simona Halep and Venus Williams were swatted away...

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Miami is sizzling! Glorious sunshine, clear blue skies, temperatures well into the 20s. It's almost like that in Salford... I'm not jealous.

The players are out of the purple acrylic, hammering down a few serves as they limber up.

These two players have only met once before - and that went in favour of Johanna Konta.

The Briton produced a stunning display back in January to reach the fourth round of the Australian Open.

Konta, who was seeded ninth, won nine games in a row on her way to beating the Dane 6-3 6-1 in 75 minutes.

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Our tennis correspondent explains what we're playing for...

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Caroline Wozniacki is renowned as one of the fittest players on the WTA Tour, showing her endurance as she wore down Czech second seed Karolina Pliskova to win 5-7 6-1 6-1 in their semi-final.

"Fitness is something I'm working really hard on every day. It's a huge part of my game," Wozniacki, a sub-3:30 marathon runner, said afterwards.

"It was definitely a mental grind. Having two or three set points in that first set and ending up losing it is kind of depressing, but I got a good start to the second set and that got me fired up and I just kept playing." 

Few would have predicted a Miami final between the 11th seed and the 14th seed, but that is what we have got.

And Jo Konta, the higher-ranked player, is expecting to be covering plenty of ground.

"I'm definitely going to be looking forward to playing a lot of balls and a lot of tough points," said the Briton.

"She's one of the best athletes in the game. She ran a marathon for goodness sake.

"I'm sure it'll be a match where I'll be running for a lot of balls. Hopefully we'll give a great match for the final." 

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Hello! All feeling relaxed and looking forward to this evening's entertainment? Excellent. I wonder if Johanna Konta is feeling chilled in the locker room.

The British number one will be going through her final pre-match routines ahead of the biggest final of her career.

A few pegs down in the changing room is Caroline Wozniacki. She's been here, done it and got a few more 'I've won a WTA title' t-shirts.

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Fast forward to today and a very different Johanna Konta stands before us.

One who has claimed two WTA titles on her way to becoming the first British woman to reach the world's top 10 since Jo Durie in 1984.

One whose victory smile is now recognisable across the country.

And, two years on from that Jackson defeat, one who is playing in another final. 

Only this time it is the final of one of the Tour's biggest non-Grand Slam events against a former world number one.

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Two years ago, almost to the day, Johanna Konta was playing in a final. An ITF final in Jackson, Mississippi, to be precise. There, she lost to an opponent ranked 261st in the world.

Two years ago, few British sports fans (apart from a handful of tennis aficionados) would have recognised her if she walked past in the street...