Meanwhile, on court one, Kyle Edmund has had one or two break point chances, but he hasn't been able to make any of them count.

Alex Bolt moves nicely around a grass court, but he's still down a break.

Double fault from Johanna Konta, her fourth of the day, on her fifth match point.

Vikhlyantseva drops a backhand into the tramlines, she's challenging, but that'll be another match point for Johanna Konta.

Cracking serve from Natalia Vikhlyantseva and she's saved four match points.

A leaning, stretching Johanna Konta coaxes the first match point into the net.

But now the British number one has the serve, she looks for a lob... and it drifts long.

Another chance for Konta to close out on serve. She goes long, but is challenging. It's good.

One match point remaining.

Fantastic winner off the backhand side for Konta.

Match points.

Now it's Natalia Vikhlyantseva challenging a serve, but Johanna Konta's effort is well in.

A quick gulp of water as the British number one prepares to try and close out this match.

The Russian clips the net after getting Konta on the run, and the 22nd seed slams a forheand winner home to make it 5-2.

Johanna Konta challenges mid-point... and gets it all wrong, so gives up the point. Her Hawk-Eye radar hasn't been on today.

Vikhlyantseva saunters in to play a passing winner on the next.

Great feet from Johanna Konta, scampering around to put Vikhlyantseva in an awkward spot before a sixth ace of the day makes it 3-0.

Double fault from Natalia Vikhlyantseva. That could cost her. A mini-break for Johanna Konta early on

Johanna Konta again serving to stay in the second set.

The British number one leaps into a wrist-shattering serve, but then pops a backhand long from deep to make it 30-30.

Konta heads for the net, and plucks a high Natalia Vikhlyantseva return out of the SW19 sky with aplomb.

A well-placed backhand sees the 22nd seed close out. Tie-break time...

Image source, AFP

Shaky from Kyle Edmund, who double faults for 15-15, but he puts some extra oomph on his forehand to draw the error out of Alex Bolt.

A down the line winner takes the Brit to 40-15, and then an ace ensures a hold.

Maureen: Women’s tennis is now so exciting. I can remember when most of the early matches were won for the loss of just a couple of games. Now it’s almost always closely-fought and very skilful and tactical.

Jay Clarke is still battling away. Ernests Gulbis is probing and pushing the Briton's serve but Clarke holds strong.

We're still on serve in this crucial third set.

Watch here.

Saj Chowdhury
BBC Sport at Wimbledon

It seems like a World Cup knockout round featuring England isn't causing too much of a dilemma between these two friends.

Intially, Rebecca Cook from Berkshire, on the right, told me there was barbecue-match combo awaiting them.

But then pal-in-support Georgie Widnes from Sussex added: "We actually haven't decided - I love Wimbledon.

"I'd say it's 70-30 we stay here."

Image source, BBC Sport

An important hold for Natalia Vikhlyantseva. She screeches something in celebration, my Russian's not up to scratch...

Serve and volley from Alex Bolt and Kyle Edmund, in the perfect position to whip the volley over Bolt's head, misses.

He doesn't miss the second one, though! The volley isn't good enough from Bolt and Edmund whips a return through him.

First blood to Edmund.

Tracy Austin
Two-time Grand Slam champion on BBC TV

The serve is going to be important for both players. For Naomi Broady it is the biggest weapon in her game and it is one of Garbine's biggest assets as well.

There is no other court like Centre Court. It has so much history.

An ace gives Alex Bolt the first point of the match before he dances up to the net and wallops a forehand long.

Bolt, who looks understandably nervous, misses a forehand, and then floats a backhand long to give Edmund two break points.